Select a set of tags to display all problems with at least 1 of those tags
Problem ID
|
Your Score
|
Title
|
Source
|
Problem Type
|
#ACs
|
---|---|---|---|---|---|
helloworld | N/A | ⓘTags: Syntax Hello World | Classic problem | Batch | 2125 |
addition | N/A | ⓘTags: Syntax Addition of 2 numbers | Classic problem | Batch | 1846 |
exam | N/A | ⓘTags: Syntax Exam | RI Nov Sel 2020 (syy) | Batch | 1623 |
sumint | N/A | ⓘTags: Syntax Sum of Integers | Dunjudge Archive | Batch | 1534 |
maximum | N/A | ⓘTags: Syntax Maximum | Dunjudge Archive | Batch | 1457 |
3nplus1 | N/A | ⓘTags: Syntax 3nplus1 | Classic Problem | Batch | 1322 |
lunchbox | N/A | ⓘTags: Greedy Lunch Box | NOI 2016 | Batch | 1264 |
evenorodd | N/A | ⓘTags: Syntax evenorodd | Classic Problem | Batch | 1247 |
psle | N/A | ⓘTags: Syntax Old PSLE Grading System | Classic Problem | Batch | 1219 |
gcd | N/A | ⓘTags: Math, Syntax Greatest Common Divisor | Classic Problem | Batch | 1085 |
fizzbuzz | N/A | ⓘTags: Math, Syntax FizzBuzz | Classic Problem | Batch | 1071 |
rightangtri | N/A | ⓘTags: Syntax rightangtri | Classic Problem | Batch | 1004 |
fibo | N/A | ⓘTags: Dynamic Programming, Math Fibonacci | Classic Problem | Batch | 975 |
flamethrower | N/A | ⓘTags: Brute Force Flame Thrower | Dunjudge Archive | Batch | 932 |
potatosalad | N/A | ⓘTags: Greedy potatosalad | Classic Problem | Batch | 857 |
prime | N/A | ⓘTags: Math Prime Numbers | Classic Problem | Batch | 808 |
adjmatrix | N/A | ⓘTags: Graph Theory Adjacency Matrix | Dunjudge Archive | Batch | 775 |
boxispull | N/A | ⓘTags: Adhoc, Syntax Box is Pull | Codeforces Raif Round 1 (bensonlzl) | Batch | 729 |
minimum | N/A | ⓘTags: Syntax minimum | Classic Problem | Interactive | 728 |
brick | N/A | ⓘTags: Data Structures brick | Dunjudge Archive | Batch | 723 |
timeexam | N/A | ⓘTags: Math, Syntax What's the Time? | RI November Course Stage 2 Selection Test 2021 (ryangohca) | Batch | 705 |
adjlist | N/A | ⓘTags: Graph Theory Adjacency List | Dunjudge Archive | Batch | 704 |
card | N/A | ⓘTags: Data Structures Card | NOI 2010 | Batch | 667 |
cuberoot | N/A | ⓘTags: Binary Search, Math, Syntax cuberoot | Classic Problem | Batch | 644 |
xmas | N/A | ⓘTags: Syntax xmas | NOI 2009 | Batch | 637 |
lis_easy | N/A | ⓘTags: Dynamic Programming lis_easy | Classic problem | Batch | 634 |
paint | N/A | ⓘTags: Greedy paint | NOI 2011 | Batch | 632 |
greeting | N/A | ⓘTags: Syntax CNY Greetings | 2020 CNY (errorgorn) | Batch | 610 |
smurf | N/A | ⓘTags: Brute Force, Syntax smurf | RI Deccourse 2018 Selection Test (tch1001) | Batch | 601 |
descsort | N/A | ⓘTags: Syntax descsort | Dunjudge Archive | Batch | 589 |
uniquenumbers | N/A | ⓘTags: Data Structures uniquenumbers | Classic Problem | Batch | 576 |
contestcalc | N/A | ⓘTags: Math, Syntax contestcalc | Dunjudge Archive | Batch | 569 |
prefixsums | N/A | ⓘTags: Dynamic Programming, Syntax prefixsums | Classic Problem (YeoBL20) | Batch | 562 |
bracketex | N/A | ⓘTags: Data Structures, Syntax bracketex | Dunjudge Archive | Batch | 554 |
gotoschool | N/A | ⓘTags: Syntax Go To School | ABC142 | Batch | 553 |
3nplus1II | N/A | ⓘTags: Syntax 3nplus1II | Classic Problem | Batch | 539 |
weddingcoins | N/A | ⓘTags: Greedy weddingcoins | Dunjudge Archive | Batch | 536 |
diamond | N/A | ⓘTags: Syntax diamond | Classic Problem | Batch | 530 |
exponentiate | N/A | ⓘTags: Math Exponentiate | Classic Problem | Batch | 527 |
area_noi | N/A | ⓘTags: Syntax area_noi | NOI 2023 Qualification Contest (yanhao) | Batch | 525 |
lengthsort | N/A | ⓘTags: Syntax lengthsort | Dunjudge Archive | Batch | 516 |
simp | N/A | ⓘTags: Adhoc, Brute Force Simp | Codeforces 1033A | Batch | 490 |
typo | N/A | ⓘTags: Syntax Typo | ABC221 | Batch | 485 |
guanine | N/A | ⓘTags: Data Structures guanine | Dunjudge Archive | Batch | 475 |
area | N/A | ⓘTags: Syntax area | Dunjudge Archive | Batch | 475 |
addition2 | N/A | ⓘTags: Joke Addition? | Hello 2022 (oolimry) | Batch | 468 |
nprime | N/A | ⓘTags: Brute Force, Math Prime | NOI 2008 | Batch | 465 |
arrayfind | N/A | ⓘTags: Binary Search arrayfind | Dunjudge Archive | Batch | 454 |
subgraphs | N/A | ⓘTags: Graph Theory Subgraphs | Dunjudge Archive | Batch | 450 |
medianstring | N/A | ⓘTags: Syntax medianstring | Dunjudge Archive | Batch | 449 |
pairsums | N/A | ⓘTags: Syntax Button Pairs | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 443 |
pigeons | N/A | ⓘTags: Brute Force pigeons | Classic Problem | Batch | 440 |
binarycoins | N/A | ⓘTags: Bitmask, Greedy, Syntax binarycoins | Dunjudge Archive | Batch | 439 |
gecko | N/A | ⓘTags: Dynamic Programming gecko | NOI 2008 | Batch | 422 |
splithunny | N/A | ⓘTags: Graph Theory splithunny | Dunjudge Archive | Batch | 421 |
foodchain | N/A | ⓘTags: Math, Syntax Food Chain | Dec Trg 2019 (Elementary) | Batch | 418 |
veryeasyproblem | N/A | ⓘTags: Joke veryeasyproblem | Anderson Fluff Contest (shoryu386) | Batch | 413 |
GSS | N/A | ⓘTags: Greedy GSS | Dunjudge Archive | Batch | 407 |
moneychanger | N/A | ⓘTags: Dynamic Programming moneychanger | Dunjudge Archive | Batch | 388 |
catlunch | N/A | ⓘTags: Data Structures, Greedy catlunch | RI/RJC NOI Selection Test 2016 | Batch | 387 |
gift | N/A | ⓘTags: Syntax gift | NOI 2007 | Batch | 387 |
competition | N/A | ⓘTags: Greedy competition | NOI 2021 Qualification | Batch | 374 |
beareatrabbit | N/A | ⓘTags: Dynamic Programming Bear Eat Rabbit | Classic Problem | Batch | 362 |
catfight | N/A | ⓘTags: Line Sweep/Sliding Window catfight | Dunjudge Archive | Batch | 362 |
lvm | N/A | ⓘTags: Brute Force, Data Structures lvm | NOI 2008 | Batch | 359 |
bestplace | N/A | ⓘTags: Greedy, Syntax bestplace | NOI 2017 | Batch | 355 |
lis | N/A | ⓘTags: Binary Search, Dynamic Programming Longest Increasing Subsequence | Classic problem | Batch | 353 |
flybot | N/A | ⓘTags: Dynamic Programming flybot | Dunjudge Archive | Batch | 353 |
lcs | N/A | ⓘTags: Dynamic Programming lcs | Classic problem | Batch | 351 |
foreveralone | N/A | ⓘTags: Data Structures foreveralone | Dunjudge Archive | Batch | 350 |
ippt | N/A | ⓘTags: Syntax IPPT | Dec Course 2023 Selection Test (errorgorn) | Batch | 349 |
segmenttree | N/A | ⓘTags: Data Structures Segment Tree | Classic problem | Batch | 344 |
stepgame | N/A | ⓘTags: Dynamic Programming, Greedy stepgame | Classic Problem | Batch | 343 |
countalp | N/A | ⓘTags: Syntax countalp | Classic Problem | Batch | 337 |
ccs | N/A | ⓘTags: Binary Search, Data Structures ccs | Dunjudge Archive | Batch | 331 |
1609 | N/A | ⓘTags: Joke 1609 | April Fools' 2021 (0rang3) | Batch | 322 |
choochoo | N/A | ⓘTags: Syntax Choo Choo | RI-HCI Final Contest 2022 (bensonlzl) | Batch | 320 |
dijkstra | N/A | ⓘTags: Graph Theory dijkstra | Dunjudge Archive | Batch | 314 |
management | N/A | ⓘTags: Syntax Management | ABC163C | Batch | 310 |
pascal | N/A | ⓘTags: Dynamic Programming, Math pascal | Dunjudge Archive | Batch | 308 |
mrt | N/A | ⓘTags: Graph Theory MRT | Dunjudge Archive | Batch | 298 |
squidzofrenzic | N/A | ⓘTags: Binary Search squidzofrenzic | Dunjudge Archive | Batch | 297 |
bananasmoothie | N/A | ⓘTags: Greedy Banana Smoothie | Dunjudge Archive (shenxy13) | Batch | 286 |
palindromicfizzbuzz | N/A | ⓘTags: Syntax Palindromic FizzBuzz | NOI 2019 Prelims (pwypeanut) | Batch | 284 |
snack | N/A | ⓘTags: Dynamic Programming, Greedy snack | Dunjudge Archive | Batch | 281 |
eeducation | N/A | ⓘTags: Syntax Elementary Education | Dec Course 2021 Elementary Final Contest (shenxy13) | Batch | 279 |
milkweed | N/A | ⓘTags: Graph Theory milkweed | Dunjudge Archive | Batch | 279 |
primefactorization | N/A | ⓘTags: Math primefactorization | Dunjudge Archive | Batch | 272 |
pandaeyes | N/A | ⓘTags: Greedy pandaeyes | Dunjudge Archive | Batch | 271 |
4sum | N/A | ⓘTags: Meet in the Middle 4sum | NOI 2008 | Batch | 267 |
wabot | N/A | ⓘTags: Greedy wabot | December Course 2019 Advanced Final Contest (bensonlzl) | Batch | 263 |
coinbag | N/A | ⓘTags: Dynamic Programming coinbag | Dunjudge Archive | Batch | 263 |
01knapsack | N/A | ⓘTags: Dynamic Programming 0-1 Knapsack | Classic problem (Atcoder Educational DP Contest) | Batch | 262 |
car | N/A | ⓘTags: Graph Theory car | Dunjudge Archive | Batch | 260 |
ljubomora | N/A | ⓘTags: Binary Search ljubomora | COCI 2012/2013 | Batch | 257 |
swayingflowers | N/A | ⓘTags: Math, Syntax swayingflowers | ANDSS Welcome 2023 (Day 1) (shoryu386) | Batch | 256 |
ultimateifelse | N/A | ⓘTags: Syntax Ultimate ifelse | ANDSS Contest 1 (Syntax) (LCJLY) | Batch | 256 |
swords | N/A | ⓘTags: Syntax swords | NOI 2023 Qualification Contest (yanhao) | Batch | 255 |
peakfinding | N/A | ⓘTags: Syntax Peak Finding | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 252 |
party | N/A | ⓘTags: Data Structures, Graph Theory party | Dunjudge Archive | Batch | 249 |
scalars | N/A | ⓘTags: Greedy scalars | Dunjudge Archive | Batch | 244 |
potatotree | N/A | ⓘTags: Data Structures potatotree | RI Nov Sel 2020 (syy) | Batch | 243 |
tourist_noi | N/A | ⓘTags: Syntax Tourist | NOI 2024 Qualification Contest (yanhao) | Batch | 242 |
lcm | N/A | ⓘTags: Math lcm | Classic Problem | Batch | 240 |
carpark | N/A | ⓘTags: Greedy carpark | Dunjudge Archive | Batch | 238 |
breakfast | N/A | ⓘTags: Syntax breakfast | Dunjudge Archive | Batch | 237 |
frogs | N/A | ⓘTags: Syntax Frogs | Winter Computer School 2010/11 Team Contest #1 | Batch | 237 |
general | N/A | ⓘTags: Graph Theory general | Classic Problem | Batch | 233 |
sort | N/A | ⓘTags: Adhoc sort | Classic Problem? | Batch | 232 |
swapsort | N/A | ⓘTags: Adhoc Swap Sort | HCI December Course Selection 2021 (kai824, pavement) | Batch | 231 |
generosity | N/A | ⓘTags: Joke Generosity | April Fools' 2022 (oolimry) | Batch | 227 |
clocktower | N/A | ⓘTags: Math, Syntax Clock Tower | RI December Course Selection Test 2021 (Deadeye) | Batch | 225 |
coincombinations | N/A | ⓘTags: Dynamic Programming coincombinations | Classic Problem | Batch | 222 |
illuminate | N/A | ⓘTags: Math, Syntax Illuminate | RI-HCI NOI Selection Test 2020 (bensonlzl) | Batch | 222 |
summit | N/A | ⓘTags: Binary Search summit | Dunjudge Archive | Batch | 222 |
lineup | N/A | ⓘTags: Line Sweep/Sliding Window lineup | USACO Silver Nov 2011 | Batch | 222 |
medianheap | N/A | ⓘTags: Data Structures medianheap | Dunjudge Archive | Batch | 220 |
simplebridges | N/A | ⓘTags: Math, Syntax simplebridges | ANDSS February 2023 Contest (shoryu386) | Batch | 220 |
candymountain_ex | N/A | ⓘTags: Data Structures, Dynamic Programming candymountain_ex | Dunjudge Archive | Batch | 219 |
buffet | N/A | ⓘTags: Dynamic Programming buffet | Dunjudge Archive | Batch | 218 |
helloworld2 | N/A | ⓘTags: Joke Hello World? | Hello 2022 (jamessng) | Batch | 218 |
dyingpolynomial | N/A | ⓘTags: Binary Search Dying Polynomial | RI Nov Sel 2020 (JustAWallaby) | Batch | 217 |
collectmushrooms6 | N/A | ⓘTags: Dynamic Programming CollectMushrooms | NOI 2018 | Batch | 214 |
fuel | N/A | ⓘTags: Greedy fuel | Dunjudge Archive | Batch | 213 |
trains | N/A | ⓘTags: Dynamic Programming trains | Dunjudge Archive | Batch | 210 |
7up | N/A | ⓘTags: Syntax 7up | RI November Course Stage 2 Selection Test 2019 | Batch | 208 |
party_noi | N/A | ⓘTags: Greedy Party | NOI 2024 Qualification Contest (zaneyu) | Batch | 206 |
reciprocals | N/A | ⓘTags: Constructive Algorithms, Syntax Reciprocals | HCI December Course Selection 2021 (huangqr, pavement) | Batch | 203 |
badpotato | N/A | ⓘTags: Dynamic Programming badpotato | Dunjudge Archive | Batch | 203 |
segmenttree2 | N/A | ⓘTags: Data Structures Segment Tree 2 | Classic Problem | Batch | 201 |
yayornay | N/A | ⓘTags: Syntax Yay or Nay | CPIC 2024 Final Contest (JustKitkat, penguin133) | Batch | 198 |
stonk | N/A | ⓘTags: Greedy Stonks | Dec Trg 2019 (Elementary) (shenxy13) | Batch | 198 |
typicalstairs | N/A | ⓘTags: Dynamic Programming Typical Stairs | ABC 129 | Batch | 198 |
fenwicktree | N/A | ⓘTags: Data Structures fenwicktree | Classic Problem | Batch | 196 |
lightningrod | N/A | ⓘTags: Adhoc, Data Structures LightningRod | NOI 2018 (guangxuan) | Batch | 195 |
omnomnom | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees omnomnom | Classic Problem | Batch | 193 |
ihate1111 | N/A | ⓘTags: Adhoc, Math I Hate 1111 | Codeforces Round 723 (errorgorn) | Batch | 193 |
fractions | N/A | ⓘTags: Syntax fractions | Classic Problem (YeoBL20) | Batch | 189 |
cups | N/A | ⓘTags: Data Structures cups | Deccourse 2021 DS II Contest (errorgorn) | Batch | 186 |
sandd | N/A | ⓘTags: Binary Search sandd | Classic Problem | Interactive | 184 |
pigeonhole | N/A | ⓘTags: Data Structures pigeonhole | Dunjudge Archive | Batch | 183 |
hamster1 | N/A | ⓘTags: Dynamic Programming Hamster's Journey | Atcoder Educational DP Contest | Batch | 182 |
floors | N/A | ⓘTags: Data Structures floors | Dunjudge Archive | Batch | 181 |
snowball | N/A | ⓘTags: Greedy, Syntax snowball | ANDSS Welcome 2023 (Day 1) (shoryu386) | Batch | 180 |
solonim | N/A | ⓘTags: Explicitly Excluded (from IOI), Math, Syntax Solo Nim | Dunjudge Archive | Batch | 180 |
pushups | N/A | ⓘTags: Math pushups | Dunjudge Archive | Batch | 179 |
eelimination | N/A | ⓘTags: Data Structures Elementary Elimination | Dec Course 2021 Elementary Final Contest (shenxy13) | Batch | 178 |
sealevel | N/A | ⓘTags: Graph Theory sealevel | Dunjudge Archive | Batch | 178 |
magicwand | N/A | ⓘTags: Graph Theory magicwand | Dunjudge Archive | Batch | 177 |
rmaxq | N/A | ⓘTags: Data Structures Range Max Query | Dunjudge Archive | Batch | 175 |
typoswap | N/A | ⓘTags: Syntax typoswap | CPIC 2024 Final Contest (PlayVoltz) | Batch | 175 |
speakers | N/A | ⓘTags: Greedy speakers | Dunjudge Archive | Batch | 174 |
ancestor | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees ancestor | Classic problem | Batch | 174 |
leftright | N/A | ⓘTags: Data Structures Left and Right | Dec Trg 2019 (Elementary) (oolimry) | Batch | 173 |
boundlessboxes | N/A | ⓘTags: Graph Theory boundlessboxes | Dunjudge Archive | Batch | 171 |
staircase | N/A | ⓘTags: Greedy Staircase | ABC 148D | Batch | 171 |
mountains | N/A | ⓘTags: Data Structures Mountains | NOI 2020 Prelims (feeder) | Batch | 170 |
razlika | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window razlika | COCI 2013 | Batch | 169 |
universe | N/A | ⓘTags: Graph Theory, Trees universe | Dunjudge Archive | Batch | 167 |
eeniemeenie | N/A | ⓘTags: Syntax Eenie Meenie | HCI November Final Contest 2023 (shoryu386) | Batch | 167 |
sightseeing | N/A | ⓘTags: Graph Theory, Trees sightseeing | NOI 2014 | Batch | 167 |
1821 | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Joke, Trees 1821 | April Fools' 2021 (zaneyu) | Batch | 165 |
hedgehogcrimes_easy | N/A | ⓘTags: Dynamic Programming Hedgehog Crimes (Easy Version) | Classic Problem | Batch | 165 |
globalwarming | N/A | ⓘTags: Line Sweep/Sliding Window Global Warming | NOI 2013 | Batch | 165 |
missingnumber | N/A | ⓘTags: Syntax Missing Number | CSES | Batch | 164 |
twomeals | N/A | ⓘTags: Brute Force, Dynamic Programming, Greedy twomeals | Dunjudge Archive | Batch | 163 |
findingpavement | N/A | ⓘTags: Brute Force, Syntax Finding Pavement | Atcoder Code Festival 2016 Final | Batch | 159 |
knightmoves | N/A | ⓘTags: Graph Theory knightmoves | Dunjudge Archive | Batch | 159 |
labels | N/A | ⓘTags: Adhoc labels | NOI 2020 Finals (Damian) | Batch | 158 |
eescapism | N/A | ⓘTags: Adhoc, Math Elementary Escapism | Dec Course 2021 Elementary Final Contest (shenxy13) | Batch | 158 |
taxcollection | N/A | ⓘTags: Greedy, Syntax taxcollection | RI-HCI December Course Selection 2020 (JustAWallaby) | Batch | 157 |
explosion | N/A | ⓘTags: Math explosion | Classic Problem | Batch | 154 |
collectmushrooms | N/A | ⓘTags: Syntax collectmushrooms | Dunjudge Archive | Batch | 154 |
dinowalk | N/A | ⓘTags: Graph Theory dinowalk | Classic Problem | Batch | 154 |
poi | N/A | ⓘTags: Syntax poi | IOI 2009 | Batch | 152 |
modulochain | N/A | ⓘTags: Math, Syntax modulochain | Anderson Trg (shoryu386) | Batch | 149 |
ballot | N/A | ⓘTags: Data Structures ballot | Dunjudge Archive | Batch | 149 |
amicablecats | N/A | ⓘTags: Math, Syntax amicablecats | Dunjudge Archive | Batch | 148 |
reading | N/A | ⓘTags: Math, Syntax Reading Cat | RI November Course Stage 2 Selection Test 2022 (wangy412) | Batch | 148 |
arrayproblem | N/A | ⓘTags: Greedy arrayproblem | Codeforces | Batch | 147 |
chinese | N/A | ⓘTags: Syntax chinese | Dunjudge Archive | Batch | 146 |
lostarray | N/A | ⓘTags: Adhoc, Constructive Algorithms Lost Array | NOI 2019 Prelims | Batch | 146 |
bracketsyndrome | N/A | ⓘTags: Adhoc, Data Structures Bracket Syndrome | RI-HCI NOI Selection Test 2019 | Batch | 146 |
wormholes | N/A | ⓘTags: Dynamic Programming wormholes | Dunjudge Archive | Batch | 146 |
nextprime | N/A | ⓘTags: Math, Syntax nextprime | NASS CP Club Training Contest 1 | Batch | 145 |
payraise | N/A | ⓘTags: Graph Theory payraise | Dunjudge Archive | Batch | 144 |
minstack | N/A | ⓘTags: Data Structures minstack | Dunjudge Archive | Interactive | 144 |
entropy | N/A | ⓘTags: Greedy, Line Sweep/Sliding Window, Syntax entropy | RI-HCI December Course Selection 2020 (0rang3) | Batch | 144 |
firstabc | N/A | ⓘTags: Syntax firstabc | ABC 311A | Batch | 142 |
conversations_easy | N/A | ⓘTags: Data Structures Zookeeper's Conversations (Easy Version) | RI-HCI December Course Selection 2020 (shenxy13) | Batch | 141 |
goodbye | N/A | ⓘTags: Syntax goodbye | (zaneyu) | Batch | 141 |
grid | N/A | ⓘTags: Dynamic Programming Grid | Atcoder Educational DP Contest | Batch | 141 |
slimes | N/A | ⓘTags: Syntax slimes | ABC 143C | Batch | 139 |
routine | N/A | ⓘTags: Binary Search Routine Cat | RI November Course Stage 2 Selection Test 2022 (wangy412) | Batch | 139 |
duckwander | N/A | ⓘTags: Syntax duckwander | ANDSS Contest 1 (Syntax) (shoryu386) | Batch | 138 |
heatwv | N/A | ⓘTags: Graph Theory Heat Wave | Dunjudge Archive | Batch | 137 |
penguinmountain | N/A | ⓘTags: Syntax penguinmountain | December Course 2023 Elementary Final Contest (penguin133) | Batch | 136 |
housing | N/A | ⓘTags: Dynamic Programming housing | NOI 2008 | Batch | 134 |
rotarylock | N/A | ⓘTags: Data Structures rotarylock | HCI NOI Selection Test 2015 | Batch | 133 |
omnomnom2 | N/A | ⓘTags: Graph Theory, Trees omnomnom2 | Classic Problem | Batch | 132 |
conlang | N/A | ⓘTags: Syntax conlang | HCI EC³ Beginner Contest (geometric) | Batch | 132 |
ny_mathexam | N/A | ⓘTags: Syntax Nanyang Math Exam | NYOI 2024 Practice Round (JustKitkat) | Batch | 131 |
chessislands | N/A | ⓘTags: Graph Theory chessislands | NOI 2010 Selection Test | Batch | 130 |
nicenumber | N/A | ⓘTags: Joke nicenumber | Anderson Fluff Contest (haydendoo) | Batch | 130 |
lol | N/A | ⓘTags: Dynamic Programming lol | Dunjudge Archive | Batch | 129 |
candies | N/A | ⓘTags: Data Structures candies | Dunjudge Archive | Batch | 128 |
transform | N/A | ⓘTags: Brute Force, Dynamic Programming, Graph Theory transform | Dunjudge Archive | Batch | 128 |
goodseq | N/A | ⓘTags: Data Structures goodseq | Dunjudge Archive | Batch | 128 |
f7 | N/A | ⓘTags: Greedy F7 | COCI 2012/2013 | Batch | 127 |
abbb | N/A | ⓘTags: Greedy abbb | Codeforces Raif Round 1 (errorgorn) | Batch | 126 |
telephone | N/A | ⓘTags: Syntax Telephone Game | ANDSS Welcome 2023 (Day 1) (shoryu386) | Batch | 126 |
nihonese | N/A | ⓘTags: Syntax nihonese | ISC 2020 practice (errorgorn) | Batch | 123 |
oranges2 | N/A | ⓘTags: Graph Theory, Trees oranges2 | RI Deccourse 2018 Selection Test (0rang3) | Batch | 123 |
goodprogrammer | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Be a Good Programmer | April Fools 2023 (shoryu386) | Batch | 122 |
inversions | N/A | ⓘTags: Data Structures, Divide and Conquer inversions | Dunjudge Archive | Batch | 122 |
binaryroads | N/A | ⓘTags: Graph Theory binaryroads | Malaysian Computing Olympiad 2014 | Batch | 122 |
lboard | N/A | ⓘTags: Brute Force, Dynamic Programming L-Board | NOI 2022 Qualification | Batch | 120 |
papaya | N/A | ⓘTags: Graph Theory papaya | Dunjudge Archive | Batch | 119 |
addition3 | N/A | ⓘTags: Joke Addition 3 | April Fools 2024 (oolimry) | Batch | 119 |
democracy | N/A | ⓘTags: Syntax democracy | CPIC 2024 Final Contest (JustKitkat) | Batch | 117 |
rabbiteatrabbit | N/A | ⓘTags: Dynamic Programming rabbiteatrabbit | Dec Trg 2019 (Elementary) (jamielim) | Batch | 117 |
levenshtein | N/A | ⓘTags: Dynamic Programming levenshtein | Classic problem | Batch | 116 |
hashcollision | N/A | ⓘTags: Joke Hash Collision | Hello 2021 (shenxy13) | Interactive | 116 |
eating | N/A | ⓘTags: Data Structures Eating Cat | RI November Course Stage 2 Selection Test 2022 (wangy412) | Batch | 115 |
workload | N/A | ⓘTags: Dynamic Programming December Training Workload | Classic Problem | Batch | 115 |
bananafarm | N/A | ⓘTags: Data Structures bananafarm | NOI 2015 | Batch | 115 |
parallelogramisation | N/A | ⓘTags: Data Structures parallelogramisation | Dec Course 2023 Elementary Contest 4 (DS I) (shoryu386) | Batch | 114 |
smallprimes | N/A | ⓘTags: Brute Force, Math Small Primes | Classic Problem | Batch | 114 |
bobek | N/A | ⓘTags: Bitmask, Meet in the Middle bobek | CEOI 2015 | Batch | 114 |
peepeepoopoo | N/A | ⓘTags: Syntax peepeepoopoo | SG IO Course Final Contest (zaneyu) | Batch | 114 |
pilot | N/A | ⓘTags: Adhoc, Data Structures pilot | NOI 2019 (pwypeanut) | Batch | 114 |
watching | N/A | ⓘTags: Binary Search, Dynamic Programming watching | JOI Open 2013 | Batch | 113 |
neckties | N/A | ⓘTags: Data Structures, Greedy Just Long Neckties | JOI 2020 Final Round | Batch | 113 |
letters | N/A | ⓘTags: Dynamic Programming letters | Dunjudge Archive | Batch | 113 |
4russians | N/A | ⓘTags: Dynamic Programming 4russians | RI-HCI NOI Selection Test 2020 (jamielim) | Batch | 113 |
workoutplan | N/A | ⓘTags: Greedy Workout plan | Bubble Cup 12 Div 1 | Batch | 112 |
fraud | N/A | ⓘTags: Adhoc, Math fraud | NOI 2021 Finals (Damian) | Batch | 111 |
spellofweakness | N/A | ⓘTags: Binary Search, Greedy, Line Sweep/Sliding Window Spell Of Weakness | Dunjudge Archive (dantoh) | Batch | 111 |
divideby2 | N/A | ⓘTags: Syntax divideby2 | (zaneyu) | Batch | 111 |
zooqueue | N/A | ⓘTags: Data Structures Zoo Queue | NUS December Training 2021 Diagnostic Test (shenxy13) | Batch | 110 |
wabbit | N/A | ⓘTags: Greedy wabbit | RI-HCI-NUSH NOI Selection Test 2021 (oolimry) | Batch | 109 |
rank | N/A | ⓘTags: Graph Theory rank | NOI 2008 | Batch | 109 |
train | N/A | ⓘTags: Dynamic Programming train | Dunjudge archive | Batch | 109 |
collectmushrooms2 | N/A | ⓘTags: Data Structures collectmushrooms2 | Dunjudge Archive | Batch | 109 |
routers | N/A | ⓘTags: Greedy routers | Dunjudge Archive | Batch | 109 |
ping | N/A | ⓘTags: Syntax ping | RI HCI NOI Selection 2019 Practice (bensonlzl) | Interactive | 108 |
problematicjourney | N/A | ⓘTags: Binary Search, Graph Theory Problematic Journey | Classic Problem | Batch | 107 |
fibo_easy | N/A | ⓘTags: Brute Force fibo_easy | Classic Problem | Batch | 107 |
gentlepairs | N/A | ⓘTags: Syntax gentlepairs | ABC 187B | Batch | 107 |
makingparallelograms | N/A | ⓘTags: Adhoc makingparallelograms | December Course 2023 Elementary Final Contest (shoryu386) | Batch | 107 |
monsters | N/A | ⓘTags: Greedy Monsters | Dec Course 2023 Selection Test (beepbeepsheep) | Batch | 106 |
employee | N/A | ⓘTags: Graph Theory, Trees employee | Dunjudge Archive | Batch | 106 |
assembly | N/A | ⓘTags: Dynamic Programming assembly | Dunjudge Archive | Batch | 106 |
eight | N/A | ⓘTags: Syntax eight | Dec Course 2024 Selection Test (Tyx2019) | Batch | 105 |
leave | N/A | ⓘTags: Data Structures leave | Dunjudge Archive | Batch | 104 |
optmilk | N/A | ⓘTags: Data Structures, Dynamic Programming Optimal Milking | Dunjudge Archive | Batch | 103 |
coinjourney | N/A | ⓘTags: Binary Search Coin Journey | RI November Course Stage 2 Selection Test 2021 (kym) | Batch | 103 |
nemo | N/A | ⓘTags: Graph Theory nemo | Dunjudge Archive | Batch | 103 |
railway | N/A | ⓘTags: Graph Theory, Trees railway | CPSPC 2004 | Batch | 102 |
nycheer | N/A | ⓘTags: Syntax Nanyang Cheer! | NYOI 2024 Practice Round (Pan) | Batch | 102 |
727 | N/A | ⓘTags: Greedy, Math 727 | HCI-NUSH NOI Selection 2022 (errorgorn) | Batch | 102 |
deathray | N/A | ⓘTags: Data Structures deathray | Dec Trg 2019 (Elementary) (shenxy13) | Batch | 101 |
supplies | N/A | ⓘTags: Graph Theory supplies | Dunjudge Archive | Batch | 101 |
simcity | N/A | ⓘTags: Graph Theory simcity | Dunjudge Archive | Batch | 101 |
runway | N/A | ⓘTags: Binary Search, Graph Theory Jianzhi’s Runway Show | RI NOI Selection Test 2017 | Batch | 101 |
shamelessad | N/A | ⓘTags: Syntax Shameless Advertisement | Shor's SG Collection Original (0 Star) (shoryu386) | Batch | 101 |
conversations | N/A | ⓘTags: Data Structures Zookeeper's Conversations | Singapore Zoo (shenxy13) | Batch | 101 |
hungryrabbits1 | N/A | ⓘTags: Brute Force, Greedy Hungry Rabbits 1 | RI-HCI Final Contest 2022 (bensonlzl) | Batch | 100 |
factorial_easy | N/A | ⓘTags: Brute Force factorial_easy | Classic Problem | Batch | 100 |
carrots | N/A | ⓘTags: Greedy carrots | Codeforces Raif Round 1 (errorgorn) | Batch | 100 |
laptop | N/A | ⓘTags: Syntax laptop | CPIC 2024 Final Contest (spambot696969) | Batch | 100 |
orchard | N/A | ⓘTags: Dynamic Programming, Line Sweep/Sliding Window orchard | NOI 2014 | Batch | 100 |
exponentiate_ex | N/A | ⓘTags: Math exponentiate_ex | Classic Problem | Batch | 99 |
identifyinggirlfriends | N/A | ⓘTags: Data Structures Identifying Girl Friends | Classic Problem (ryangohca, siewjh) | Batch | 99 |
kfc | N/A | ⓘTags: Math, Syntax kfc | ANDSS Contest 1 (Syntax) (haydendoo) | Batch | 99 |
coke | N/A | ⓘTags: Dynamic Programming, Greedy Coke | NUSH ISC 2020 (errorgorn) | Batch | 98 |
eevacuation | N/A | ⓘTags: Dynamic Programming, Graph Theory Elementary Evacuation | Dec Course 2021 Elementary Final Contest (shenxy13) | Batch | 98 |
doll_noi | N/A | ⓘTags: Data Structures, Greedy doll_noi | NOI 2023 Qualification Contest (yanhao, oolimry) | Batch | 96 |
smurfpaths | N/A | ⓘTags: Data Structures, Graph Theory, Trees smurfpaths | RI-HCI NOI Selection Test 2020 (rs) | Batch | 96 |
orz | N/A | ⓘTags: Syntax orz | AOI 2024 Day 1 (shoryu386) | Batch | 96 |
cny | N/A | ⓘTags: Greedy cny | ANDSS Contest 2 (Greedy and Bruteforce) (LCJLY) | Batch | 96 |
lineup2 | N/A | ⓘTags: Syntax Lineup | RI Problem Setter Contest 2019 (rs) | Batch | 95 |
nis | N/A | ⓘTags: Data Structures, Dynamic Programming nis | Dunjudge Archive | Batch | 95 |
justright | N/A | ⓘTags: Binary Search justright | Dunjudge Archive | Batch | 94 |
guessqueue | N/A | ⓘTags: Brute Force, Data Structures Guess the Queue | Kattis (modified) (ryangohca) | Batch | 94 |
logs | N/A | ⓘTags: Binary Search logs | AtCoder | Batch | 93 |
localexpress | N/A | ⓘTags: Dynamic Programming localexpress | AtCoder Typical DP Contest | Batch | 93 |
burgers | N/A | ⓘTags: Binary Search, Data Structures, Math burgers | NOI 2023 Qualification Contest (oolimry, bensonlzl, yanhao) | Batch | 93 |
photo | N/A | ⓘTags: Line Sweep/Sliding Window School Photo | NOI 2024 Qualification Contest (zaneyu) | Batch | 93 |
gotoschool_ex | N/A | ⓘTags: Syntax gotoschool_ex | RI November Course 2023 Diagnostic Test (NeeNawAmbulance, nianhe) | Batch | 93 |
roadsideadverts | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees roadsideadverts | NOI 2017 | Batch | 93 |
deque | N/A | ⓘTags: Dynamic Programming Deque | AtCoder Educational DP Contest | Batch | 93 |
stamps | N/A | ⓘTags: Dynamic Programming stamps | Dunjudge Archive | Batch | 92 |
nylunchtime | N/A | ⓘTags: Syntax Nanyang Lunch Time | NYOI 2024 Practice Round (JustKitkat) | Batch | 92 |
harddisk | N/A | ⓘTags: Bitmask, Brute Force, Meet in the Middle harddisk | 2015 NOI Training Problem-Setter Contest | Batch | 91 |
0405 | N/A | ⓘTags: Joke, Math 0405 | April Fools' 2021 (zaneyu) | Batch | 90 |
topical | N/A | ⓘTags: Adhoc Topical | NOI 2023 Finals (bensonlzl) | Batch | 90 |
homeworkextension | N/A | ⓘTags: Syntax homeworkextension | ANDSS Contest 1 (Syntax) (Josh28) | Batch | 90 |
problemsetter | N/A | ⓘTags: Greedy Problem Setter | NOI 2024 Finals (cstuart) | Batch | 89 |
erp | N/A | ⓘTags: Graph Theory erp | Dunjudge Archive | Batch | 89 |
commonsubstring | N/A | ⓘTags: Dynamic Programming commonsubstring | Dunjudge Archive | Batch | 89 |
playlist | N/A | ⓘTags: Math, Syntax playlist | HCI (HS) 2024 Contest 1 (pIaceholder) | Batch | 88 |
fireandbeary | N/A | ⓘTags: Graph Theory fireandbeary | Dunjudge Archive (jamielim) | Batch | 88 |
oridance | N/A | ⓘTags: Dynamic Programming Orientation Dance | Codeforces 1509C | Batch | 87 |
replacedigits | N/A | ⓘTags: Data Structures Replace Digits | ACL Beginner Contest | Batch | 87 |
inheritance | N/A | ⓘTags: Binary Search, Graph Theory inheritance | JOI 2014/2015 | Batch | 87 |
stickytape | N/A | ⓘTags: Greedy Sticky Tape | Classic Problem | Batch | 86 |
sightseeing2 | N/A | ⓘTags: Graph Theory, Trees sightseeing2 | RI NOI Selection Test 2015 | Batch | 86 |
ny_unwind | N/A | ⓘTags: Syntax Nanyang Unwind Time | NYOI 2024 Final Round (Shadow1) | Batch | 86 |
charges | N/A | ⓘTags: Graph Theory Experimental Charges | NOI 2019 Prelims (ranaldlys) | Batch | 86 |
skillmoves | N/A | ⓘTags: Data Structures, Greedy skillmoves | RI November Course Stage 2 Selection Test 2019 | Batch | 86 |
devour | N/A | ⓘTags: Adhoc devour | HCI November Final Contest 2023 (penguin133) | Batch | 85 |
pandacity | N/A | ⓘTags: Graph Theory, Greedy pandacity | Dunjudge Archive | Batch | 85 |
flappyrabbit | N/A | ⓘTags: Greedy Flappy Rabbit | HCI-NUSH NOI Selection 2022 (pavement) | Interactive | 85 |
lunchcombo | N/A | ⓘTags: Binary Search, Greedy lunchcombo | RI November Course Stage 2 Selection Test 2019 | Batch | 85 |
penguinfood | N/A | ⓘTags: Data Structures penguinfood | Dunjudge Archive | Batch | 85 |
fenwicktree_easy | N/A | ⓘTags: Syntax fenwicktree_easy | RI November Course 2023 Diagnostic Test (Potato3218, nianhe) | Batch | 84 |
digits | N/A | ⓘTags: Data Structures digits | Deccourse 2021 DS II Contest (errorgorn) | Batch | 84 |
vainish | N/A | ⓘTags: Dynamic Programming Vanish | 2015-2016 NOI Training Diagnostic Test | Batch | 84 |
restaurant | N/A | ⓘTags: Greedy restaurant | Dunjudge Archive | Batch | 84 |
candles | N/A | ⓘTags: Adhoc candles | ABC 107C | Batch | 82 |
picnic | N/A | ⓘTags: Binary Search, Greedy Picnic | Codeforces Global Round 17 | Batch | 82 |
NYSport | N/A | ⓘTags: Math, Syntax Nanyang Sport Carnival | NYOI 2024 Final Round (Shadow1) | Batch | 81 |
lualectures | N/A | ⓘTags: Constructive Algorithms, Greedy Lua Lectures | Classic Problem | Batch | 81 |
commando | N/A | ⓘTags: Data Structures, Dynamic Programming commando | APIO 2010 | Batch | 81 |
singlefile | N/A | ⓘTags: Data Structures singlefile | Dunjudge Archive | Batch | 80 |
duckeatduck | N/A | ⓘTags: Math, Syntax duckeatduck | AOI 2024 Day 2 (shoryu386) | Batch | 80 |
christmasfeast | N/A | ⓘTags: Adhoc Christmas Feast | Educational Round 2 (errorgorn) | Batch | 80 |
cardtrick | N/A | ⓘTags: Data Structures Card Trick | Classic Problem (oolimry) | Batch | 80 |
penguingathering | N/A | ⓘTags: Brute Force penguingathering | ABC 156C | Batch | 80 |
singleflip | N/A | ⓘTags: Syntax Single Flip | TROC 24 (maomao90) | Batch | 80 |
goofyrooks | N/A | ⓘTags: Adhoc goofyrooks | December Course 2023 Elementary Final Contest (penguin133) | Batch | 80 |
hacking | N/A | ⓘTags: Graph Theory Hacking | Classic problem (fyss006) | Batch | 79 |
applefarm | N/A | ⓘTags: Graph Theory applefarm | NUSH ISC 2020 (oolimry) | Batch | 79 |
cookieclickeralpha | N/A | ⓘTags: Math, Syntax cookieclickeralpha | Google Code Jam 2014 | Batch | 79 |
powervillage | N/A | ⓘTags: Greedy powervillage | December Course 2023 Elementary Final Contest | Batch | 78 |
crypto | N/A | ⓘTags: Data Structures crypto | NOI 2020 Qualification (Damian) | Batch | 78 |
towerdefense | N/A | ⓘTags: Graph Theory towerdefense | Dunjudge Archive | Batch | 78 |
tickethandling | N/A | ⓘTags: Data Structures tickethandling | Dec Course 2023 Elementary Contest 4 (DS I) (shoryu386) | Batch | 77 |
alienalien | N/A | ⓘTags: Syntax alienalien | AOI 2023 Day 1 (shoryu386) | Batch | 77 |
rblock | N/A | ⓘTags: Graph Theory rblock | USACO 2011 December Contest, Silver Division | Batch | 77 |
towers | N/A | ⓘTags: Data Structures, Dynamic Programming towers | Codeforces 474E | Batch | 77 |
levelingup | N/A | ⓘTags: Dynamic Programming Leveling Up | RI November Course Stage 2 Selection Test 2021 (ryangohca) | Batch | 77 |
bftrouble | N/A | ⓘTags: Syntax bftrouble | SG IO Course Final Contest (zaneyu) | Batch | 77 |
snakenladder | N/A | ⓘTags: Dynamic Programming snakenladder | Dunjudge Archive | Batch | 76 |
buyingcandy | N/A | ⓘTags: Greedy Buying Candy | ABC 308F | Batch | 76 |
samelength | N/A | ⓘTags: Joke Same Length | Hello 2021 (errorgorn) | Batch | 76 |
greenbeans | N/A | ⓘTags: Adhoc, Math, Syntax Green Beans Mayhem | RI November Course Stage 2 Selection Test 2021 (ryangohca, kym) | Batch | 76 |
history | N/A | ⓘTags: Dynamic Programming history | Dunjudge Archive | Batch | 76 |
poklon | N/A | ⓘTags: Data Structures, Square Root Decomposition poklon | COCI 2016/2017 | Batch | 76 |
nevergiveup | N/A | ⓘTags: Joke Never Give Up | April Fools 2023 (bron, penguin133) | Batch | 76 |
drones | N/A | ⓘTags: Graph Theory Drones | HCI December Course Selection 2021 (cstuart) | Batch | 76 |
walking | N/A | ⓘTags: Dynamic Programming walking | NOI 2012 | Batch | 75 |
collectmushrooms3 | N/A | ⓘTags: Data Structures collectmushrooms3 | Dunjudge Archive | Batch | 75 |
summarising2020 | N/A | ⓘTags: Information Theory, Joke Summarising 2020 | Hello 2021 (shenxy13) | Interactive | 75 |
iqtest | N/A | ⓘTags: Math iqtest | Valentine's Day Contest 2022 (errorgorn) | Batch | 74 |
lowelements | N/A | ⓘTags: Adhoc lowelements | ABC 152C | Batch | 74 |
1503 | N/A | ⓘTags: Adhoc, Joke 1503 | April Fools' 2021 (jamielim) | Batch | 74 |
mandarins | N/A | ⓘTags: Math Mandarins | 2020 CNY | Batch | 74 |
knapsack | N/A | ⓘTags: Dynamic Programming Knapsack | NOI 2018 Prelims | Batch | 74 |
luckynumbers2 | N/A | ⓘTags: Math luckynumbers2 | Dec Course Final Contest 2017 | Batch | 73 |
entropy2 | N/A | ⓘTags: Adhoc, Brute Force entropy2 | RI December Course Selection Test 2021 (kym) | Batch | 73 |
waterbomb | N/A | ⓘTags: Adhoc, Greedy Waterbomb | Dec Course 2024 Selection Test (zaneyu) | Batch | 73 |
clique | N/A | ⓘTags: Data Structures clique | Algorithm Class Mini-Contest 8 | Batch | 73 |
1402 | N/A | ⓘTags: Adhoc, Joke 1402 | April Fools' 2021 (bensonlzl) | Batch | 73 |
traineeline | N/A | ⓘTags: Data Structures traineeline | ABC 247D | Batch | 73 |
construct | N/A | ⓘTags: Dynamic Programming, Graph Theory Constructing Birthday Presents | RI-HCI-NUSH NOI Selection Test 2021 (0rang3) | Batch | 73 |
monopoly | N/A | ⓘTags: Dynamic Programming monopoly | Dunjudge Archive | Batch | 72 |
supermarket | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window supermarket | RI Dec Course Sel 2017 | Batch | 72 |
lps | N/A | ⓘTags: Dynamic Programming lps | Dunjudge Archive | Batch | 71 |
bacteria | N/A | ⓘTags: Data Structures bacteria | Dunjudge Archive | Batch | 71 |
shortest | N/A | ⓘTags: Explicitly Excluded (from IOI), Math shortest | Dunjudge Archive | Batch | 71 |
graphcraft | N/A | ⓘTags: Graph Theory graphcraft | Dunjudge Archive | Interactive | 71 |
purplecandy | N/A | ⓘTags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Purple Candy | Classic Problem (shenxy13, ryangohca) | Batch | 70 |
stones | N/A | ⓘTags: Graph Theory, Trees stones | Dunjudge Archive | Batch | 69 |
numericalstrings | N/A | ⓘTags: Greedy, Math numericalstrings | RI November Course Stage 2 Selection Test 2019 | Batch | 69 |
magiccarps | N/A | ⓘTags: Brute Force, Syntax magiccarps | ANDSS Contest 2 (Greedy and Bruteforce) (shoryu386) | Batch | 68 |
unmerge | N/A | ⓘTags: Dynamic Programming Unmerge | Codeforces 1381B | Batch | 68 |
numbers | N/A | ⓘTags: Dynamic Programming Palindrome-Free Numbers | BOI 2013 | Batch | 68 |
ladybugs | N/A | ⓘTags: Dynamic Programming ladybugs | Dunjudge Archive | Batch | 68 |
padoru | N/A | ⓘTags: Graph Theory Hashire Sori Yo! | Dec Course 2020 BAPS (peaceknight05) | Batch | 68 |
assistance | N/A | ⓘTags: Syntax assistance | NAOI 2024 (spambot696969) | Batch | 68 |
variety | N/A | ⓘTags: Dynamic Programming variety | RI November Course Stage 2 Selection Test 2019 | Batch | 68 |
divisibility | N/A | ⓘTags: Dynamic Programming divisibility | Dunjudge Archive | Batch | 67 |
tourist | N/A | ⓘTags: Data Structures, Greedy tourist | IOI 2012 Practice Tasks | Batch | 67 |
pairs | N/A | ⓘTags: Binary Search pairs | ABC155 | Batch | 67 |
convexhull | N/A | ⓘTags: Data Structures Convex Hull | Classic Problem (ryangohca) | Batch | 67 |
discharging | N/A | ⓘTags: Data Structures, Dynamic Programming discharging | NOI 2020 Finals (huajun) | Batch | 67 |
luarulers | N/A | ⓘTags: Greedy Lua Rulers | Codeforces 1748C | Batch | 67 |
dquery | N/A | ⓘTags: Data Structures, Square Root Decomposition dquery | Classic Problem | Batch | 66 |
travel | N/A | ⓘTags: Greedy Travel | CCO 2015 | Batch | 66 |
specialgirlfriends | N/A | ⓘTags: Math, Syntax specialgirlfriends | Modified ABC 106C (shoryu386) | Batch | 66 |
deforestation | N/A | ⓘTags: Binary Search, Greedy deforestation | HCI November Final Contest 2023 (TheRaptor) | Batch | 66 |
ljll | N/A | ⓘTags: Math LJLL | NUSH ISC 2020 (errorgorn) | Batch | 66 |
bookshelf | N/A | ⓘTags: Data Structures bookshelf | Dunjudge Archive | Batch | 66 |
flights | N/A | ⓘTags: Graph Theory flights | Dunjudge Archive | Batch | 66 |
peddler | N/A | ⓘTags: Dynamic Programming, Graph Theory Peddler | ABC 188 | Batch | 66 |
feast | N/A | ⓘTags: Binary Search, Dynamic Programming, Greedy feast | NOI 2019 (guangxuan) | Batch | 65 |
fruitsequences | N/A | ⓘTags: Adhoc, Data Structures Fruit Sequences | Codeforces Raif Round 1 (bensonlzl) | Batch | 65 |
eatcake | N/A | ⓘTags: Divide and Conquer Eating Cake | Educational Codeforces Round 94 | Batch | 65 |
sherlockinversions | N/A | ⓘTags: Data Structures, Square Root Decomposition sherlockinversions | Dunjudge Archive | Batch | 64 |
primepie | N/A | ⓘTags: Math primepie | Dunjudge Archive | Interactive | 64 |
buycomputer | N/A | ⓘTags: Greedy, Syntax buycomputer | Dec Trg 2019 (Elementary) (errorgorn) | Batch | 63 |
firelord | N/A | ⓘTags: Dynamic Programming firelord | RI Nov Sel 2020 (jiahng) | Batch | 63 |
cheerleaders | N/A | ⓘTags: Dynamic Programming cheerleaders | Atcoder Educational DP Contest | Batch | 63 |
basement | N/A | ⓘTags: Data Structures, Dynamic Programming Basement | Codeforces 1842C | Batch | 63 |
grassplant | N/A | ⓘTags: Data Structures, Graph Theory, Trees Grass Planting | Dunjudge Archive | Batch | 63 |
buygifts | N/A | ⓘTags: Binary Search buygifts | Codeforces 1619D | Batch | 63 |
supperbox | N/A | ⓘTags: Divide and Conquer, Dynamic Programming Estelle’s Supper Box | RI-HCI NOI Selection Test 2018 | Batch | 63 |
catchingcheaters | N/A | ⓘTags: Dynamic Programming Catching Cheaters | Codeforces Round 683 (Div 1) | Batch | 62 |
atleasttripledate | N/A | ⓘTags: Dynamic Programming, Math atleasttripledate | ABC 178D | Batch | 62 |
treecutting | N/A | ⓘTags: Brute Force, Graph Theory, Trees Tree Cutting | NOI 2022 Qualification | Batch | 62 |
manyjobs | N/A | ⓘTags: Greedy manyjobs | ABC 131D | Batch | 62 |
dna_ioi | N/A | ⓘTags: Adhoc Mutating DNA | IOI 2021 | Interactive | 62 |
boundedpermutation | N/A | ⓘTags: Adhoc, Dynamic Programming, Math Bounded Permutation | HCI-NUSH NOI Selection 2022 (maomao90) | Batch | 61 |
performance | N/A | ⓘTags: Math Performance | NUSH ISC 2020 (oolimry) | Batch | 61 |
gfriendmania | N/A | ⓘTags: Data Structures The 200000 Girlfriends Who Really, Really, Really, Really, Really Love Zane | CSES | Batch | 61 |
minimise | N/A | ⓘTags: Greedy minimise | ABC 101C | Batch | 61 |
bosses | N/A | ⓘTags: Brute Force, Graph Theory, Greedy, Trees bosses | BOI 2016 | Batch | 61 |
quillvsowl | N/A | ⓘTags: Adhoc, Line Sweep/Sliding Window Quill Vs Owl | Dec Course 2020 BAPS (jamielim) | Batch | 61 |
modsum | N/A | ⓘTags: Dynamic Programming, Math modsum | NOI 2012 | Batch | 61 |
verticallychallenged | N/A | ⓘTags: Data Structures Vertically Challenged Girlfriends | ABC 234 | Batch | 61 |
decayedbridges | N/A | ⓘTags: Graph Theory decayedbridges | ABC 120D | Batch | 61 |
votingcities | N/A | ⓘTags: Bitmask, Graph Theory Voting Cities | NOI 2022 Finals | Batch | 61 |
sos | N/A | ⓘTags: Greedy Sum Of Squares | December Course 2023 Advanced Final Contest (pavement) | Batch | 61 |
sterilizing | N/A | ⓘTags: Data Structures sterilizing | JOI 2014/15 | Batch | 60 |
snapknack | N/A | ⓘTags: Dynamic Programming snapknack | Dunjudge Archive | Batch | 60 |
xorb | N/A | ⓘTags: Math, Syntax xorb | Dunjudge Archive | Batch | 60 |
Unbalanced | N/A | ⓘTags: Adhoc unbalanced | ABC 043D | Batch | 60 |
frog3 | N/A | ⓘTags: Dynamic Programming Frog 3 | Atcoder Educational DP Contest | Batch | 59 |
gridgame | N/A | ⓘTags: Graph Theory gridgame | Dunjudge Archive | Batch | 59 |
basketball | N/A | ⓘTags: Binary Search, Greedy basketball | NUSH ISC 2020 (dantoh) | Batch | 59 |
glottalstops | N/A | ⓘTags: Syntax glottalstops | HCI EC³ Beginner Contest 2024 (geometric) | Batch | 59 |
nou | N/A | ⓘTags: Adhoc no "u" | December Course 2018 Elementary Final Contest (bensonlzl) | Batch | 59 |
lasers | N/A | ⓘTags: Adhoc, Data Structures lasers | NOI 2019 | Batch | 58 |
sonictheparallelogram | N/A | ⓘTags: Math, Syntax sonictheparallelogram | HCI (HS) 2024 Contest 1 (Tyx2019) | Batch | 58 |
nonboringsequences | N/A | ⓘTags: Divide and Conquer nonboringsequences | Dunjudge Archive | Batch | 58 |
binaryspells | N/A | ⓘTags: Greedy, Math binaryspells | ANDSS Contest 2 (Greedy and Bruteforce) (shoryu386) | Batch | 58 |
iqtest3 | N/A | ⓘTags: Constructive Algorithms, Graph Theory iqtest3 | AGC 50A | Batch | 58 |
zanesletters | N/A | ⓘTags: Data Structures Zane's Letters | Classic Problem (ryangohca, siewjh) | Batch | 58 |
rainbowrabbit | N/A | ⓘTags: Adhoc, Greedy rainbowrabbit | RI-HCI December Course Selection 2019 (bensonlzl) | Batch | 58 |
shamelessad2 | N/A | ⓘTags: Syntax shamelessad2 | HCI November Final Contest 2024 (penguin133) | Batch | 58 |
warp | N/A | ⓘTags: Bitmask, Dynamic Programming warp | HCI NOI Selection Retest 2020 (bensonlzl) | Batch | 57 |
primesort | N/A | ⓘTags: Graph Theory, Math Prime Sort | Dunjudge Archive | Batch | 57 |
flipcards | N/A | ⓘTags: Binary Search, Dynamic Programming Cards | Ucup Stage 8 M (modified) | Batch | 57 |
optimalsubseq | N/A | ⓘTags: Binary Search, Data Structures optimalsubseq | Codeforces 1227D2 | Batch | 57 |
closedrooms | N/A | ⓘTags: Adhoc, Graph Theory closedrooms | AtCoder Grand Contest 014 | Batch | 57 |
examinations | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window examinations | JOI | Batch | 57 |
sortingtrainers | N/A | ⓘTags: Adhoc Sorting Trainers | Bologna IOI in Teams 2017 | Batch | 56 |
guards | N/A | ⓘTags: Divide and Conquer, Dynamic Programming Guards | Hackerrank IOI 2014 Practice Contest 2 | Batch | 56 |
motivation | N/A | ⓘTags: Greedy Motivation is Dead | AOI 2023 Day 1 (shoryu386) | Batch | 56 |
gymbadges | N/A | ⓘTags: Dynamic Programming, Greedy Gym Badges | NOI 2022 Finals (huajun) | Batch | 56 |
rectangleoutline | N/A | ⓘTags: Dynamic Programming, Line Sweep/Sliding Window Rectangle Outline | USACO 2016 January Contest, Platinum | Batch | 56 |
losingsleep | N/A | ⓘTags: Brute Force, Math losingsleep | ARC 119A | Batch | 56 |
hoofpaperscissor | N/A | ⓘTags: Dynamic Programming Hoof, Paper, Scissors | USACO 2017 January Contest, Gold | Batch | 56 |
airplane | N/A | ⓘTags: Graph Theory, Greedy Airplane | NOI 2023 Finals (bensonlzl, oolimry) | Batch | 56 |
candyshop | N/A | ⓘTags: Data Structures candyshop | Classic Problem | Batch | 56 |
integralmania | N/A | ⓘTags: Data Structures integralmania | Dec Course 2023 Elementary Contest 4 (DS I) (Tyx2019) | Batch | 55 |
unluckyfloors | N/A | ⓘTags: Dynamic Programming unluckyfloors | NOI 2016 | Batch | 55 |
treepruning | N/A | ⓘTags: Brute Force, Graph Theory, Trees Tree Pruning | Codeforces 1593E | Batch | 55 |
defense101 | N/A | ⓘTags: Greedy defense101 | HCI (HS) 2024 Contest 1 (Tyx2019) | Batch | 54 |
feedtheduck | N/A | ⓘTags: Binary Search, Data Structures, Line Sweep/Sliding Window feedtheduck | AOI 2024 Day 1 (shoryu386) | Batch | 54 |
waterbottles | N/A | ⓘTags: Adhoc, Math waterbottles | HCI EC³ Beginner Contest (AlphanumericUsername) | Batch | 54 |
ballgame | N/A | ⓘTags: Data Structures, Dynamic Programming ballgame | Dunjudge Archive | Interactive | 54 |
parade | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees parade | Dunjudge Archive | Batch | 54 |
skyline | N/A | ⓘTags: Graph Theory, Greedy skyline | HCI NOI Selection Retest 2020 (bensonlzl) | Batch | 54 |
kthsubstring | N/A | ⓘTags: Adhoc kthsubstring | ARC 097 | Batch | 54 |
letterstamper | N/A | ⓘTags: Dynamic Programming Letter Stamper | Google Code Jam 2010 (modified) | Batch | 54 |
trivialexam_ex_ex | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke trivialexam_ex_ex | April Fools 2023 (oolimry, elainagrey, Xiaoyang) | Batch | 54 |
guards_ex | N/A | ⓘTags: Adhoc, Greedy, Joke Guards (Extreme) | Zane (zaneyu, ryangohca) | Batch | 54 |
journey3 | N/A | ⓘTags: Dynamic Programming Journey | NOI 2018 | Batch | 53 |
whiteboardgame | N/A | ⓘTags: Adhoc, Data Structures whiteboardgame | Dec Course 2024 Selection Test (Kiameimon) | Batch | 53 |
network | N/A | ⓘTags: Graph Theory, Greedy, Trees network | NOI 2023 Qualification Contest (errorgorn) | Batch | 53 |
maxavg | N/A | ⓘTags: Adhoc Ceiling Max Average | April Fools 2024 (zaneyu) | Batch | 53 |
deletingnumbers | N/A | ⓘTags: Constructive Algorithms, Greedy Deleting Numbers | Grand Prix of Urals | Batch | 53 |
pizzeria | N/A | ⓘTags: Data Structures Pizzeria Queries | CSES | Batch | 53 |
rubies | N/A | ⓘTags: Binary Search rubies | Dunjudge Archive (pwypeanut) | Batch | 52 |
change | N/A | ⓘTags: Greedy change | NOI 2011 | Batch | 52 |
exhibition | N/A | ⓘTags: Greedy Exhibition | JOI 2018/2019 Final Round | Batch | 52 |
hungryrabbits2 | N/A | ⓘTags: Data Structures Hungry Rabbits 2 | RI-HCI Final Contest 2022 (bensonlzl) | Batch | 51 |
wires | N/A | ⓘTags: Adhoc Wires | RI-HCI NOI Selection Test 2019 (bensonlzl) | Interactive | 51 |
scanner | N/A | ⓘTags: Dynamic Programming scanner | Dunjudge Archive | Batch | 51 |
snail | N/A | ⓘTags: Adhoc, Syntax Snail | NOI 2018 Prelims | Batch | 51 |
jumpontree | N/A | ⓘTags: Graph Theory, Trees jumpontree | yosupo's judge | Batch | 51 |
swimming | N/A | ⓘTags: Graph Theory Constructing a Swimming Pool | RI-HCI-NUSH NOI Selection Test 2021 (0rang3) | Batch | 51 |
llis | N/A | ⓘTags: Dynamic Programming Longest LIS | NUSH NOI Selection Test 2018 | Batch | 51 |
socks | N/A | ⓘTags: Adhoc, Syntax socks | December Course 2018 Elementary Final Contest (Damian) | Batch | 50 |
park | N/A | ⓘTags: Data Structures Amusement Park | NOI 2024 Qualification Contest (cstuart) | Batch | 50 |
garden | N/A | ⓘTags: Graph Theory Garden Cat | RI November Course Stage 2 Selection Test 2022 (tux, ryangohca) | Batch | 50 |
teleporting | N/A | ⓘTags: Binary Search teleporting | Codeforces Round 790(Div 4) (modified) | Batch | 50 |
aircon | N/A | ⓘTags: Data Structures aircon | Codeforces Round #757 (Div. 2) | Batch | 49 |
flip | N/A | ⓘTags: Graph Theory Flipping Edges | JOIG 2021 | Batch | 49 |
reverseandmin | N/A | ⓘTags: Adhoc reverseandmin | ARC142A | Batch | 49 |
smallprimes_ex | N/A | ⓘTags: Meet in the Middle Small Primes? | Classic Problem? | Batch | 49 |
manycolours | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees manycolours | ABC 133 | Batch | 49 |
subknapsack | N/A | ⓘTags: Dynamic Programming Knapsack for All Subsets | Atcoder Beginner Contest 169 | Batch | 49 |
adjacentswaps | N/A | ⓘTags: Brute Force, Greedy Adjacent Swaps | Dunjudge Archive (shenxy13) | Batch | 49 |
pigeonnests | N/A | ⓘTags: Data Structures, Graph Theory, Trees pigeonnests | RSA Fun Contest (shenxy13) | Batch | 49 |
rootedlca | N/A | ⓘTags: Graph Theory, Trees Rooted LCA | folklore (errorgorn) | Batch | 49 |
findmultiple | N/A | ⓘTags: Math, Syntax findmultiple | ABC220A | Batch | 49 |
penguinislands | N/A | ⓘTags: Dynamic Programming, Graph Theory penguinislands | Dunjudge Archive | Batch | 48 |
girlfriend | N/A | ⓘTags: Dynamic Programming, Graph Theory girlfriend | Dunjudge Archive | Batch | 48 |
badnim | N/A | ⓘTags: Explicitly Excluded (from IOI), Math badnim | Educational Round 7 (errorgorn) | Batch | 48 |
brackets | N/A | ⓘTags: Greedy, Slope Trick Bracket Subsequence | Classic Problem (zengminghao) | Batch | 48 |
bracketscore | N/A | ⓘTags: Greedy bracketscore | AGC48 | Batch | 48 |
stories | N/A | ⓘTags: Dynamic Programming, Graph Theory Stories Cat | RI November Course Stage 2 Selection Test 2022 (AJR) | Batch | 48 |
perfectprimes | N/A | ⓘTags: Math perfectprimes | Anderson Fluff Contest (Josh28, shoryu386) | Batch | 48 |
numberfun | N/A | ⓘTags: Dynamic Programming numberfun | Dunjudge Archive | Batch | 47 |
bingo | N/A | ⓘTags: Adhoc, Constructive Algorithms Bingo | Grand Prix of Daejeon | Batch | 47 |
candyboxes | N/A | ⓘTags: Data Structures candyboxes | Rujia Liu's Present 3 (Kattis) | Batch | 47 |
shops | N/A | ⓘTags: Graph Theory, Trees Shops | NOI 2024 Finals (bensonlzl) | Batch | 47 |
lfs | N/A | ⓘTags: Dynamic Programming, Math Longest Factor Subsequence | Educational Round 5 (errorgorn) | Batch | 47 |
pokenumbers | N/A | ⓘTags: Math pokenumbers | Dunjudge Archive | Batch | 47 |
eta | N/A | ⓘTags: Trees eta | ABC 202E | Batch | 47 |
postcard | N/A | ⓘTags: Dynamic Programming postcard | Codeforces 4D | Batch | 47 |
malcolm | N/A | ⓘTags: Line Sweep/Sliding Window malcolm | COCI 2012/2013 | Batch | 47 |
bank | N/A | ⓘTags: Bitmask, Dynamic Programming Bank | IZhO 2014 Day 1 | Batch | 46 |
iqtest2 | N/A | ⓘTags: Math iqtest2 | April Fools' 2022 (errorgorn) | Batch | 46 |
progression | N/A | ⓘTags: Data Structures progression | NOI 2020 Finals (Damian) | Batch | 46 |
fuelstation | N/A | ⓘTags: Data Structures fuelstation | NOI 2020 Qualification (feeder) | Batch | 46 |
strikes | N/A | ⓘTags: Graph Theory, Trees Hit you with that dudududududu | POI 2017 | Batch | 46 |
spaceinvaders | N/A | ⓘTags: Brute Force, Data Structures, Dynamic Programming, Line Sweep/Sliding Window spaceinvaders | Educational Round 1 (bensonlzl) | Batch | 46 |
armpit | N/A | ⓘTags: Adhoc armpit | RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) | Batch | 46 |
redblacktree | N/A | ⓘTags: Adhoc, Graph Theory, Trees redblacktree | Codeforces 1156D | Batch | 46 |
ferries | N/A | ⓘTags: Graph Theory ferries | NOI 2013 | Batch | 46 |
yaleuniversity | N/A | ⓘTags: Data Structures yaleuniversity | RI November Course 2024 Diagnostic Test (Potato3218, RandomPerson) | Batch | 46 |
pythonindentation | N/A | ⓘTags: Dynamic Programming pythonindentation | Codeforces 909C | Batch | 45 |
addk | N/A | ⓘTags: Data Structures, Math addk | EJOI 2021 | Batch | 45 |
square_ioi | N/A | ⓘTags: Dynamic Programming square_ioi | IOI 2014 Practice | Interactive | 45 |
factorial | N/A | ⓘTags: Dynamic Programming factorial | Classic Problem | Batch | 45 |
race | N/A | ⓘTags: Divide and Conquer, Trees Race | IOI 2011 | Interactive | 45 |
train_ex | N/A | ⓘTags: Dynamic Programming train_ex | Dunjudge Archive | Batch | 45 |
gwynethandtree | N/A | ⓘTags: Divide and Conquer, Graph Theory, Trees Gwyneth and Tree | Codeforces 342E | Batch | 45 |
sortbooks | N/A | ⓘTags: Data Structures sortbooks | IZhO 2019 | Batch | 44 |
dogmonkey | N/A | ⓘTags: Math dogmonkey | ABC 065C | Batch | 44 |
chope | N/A | ⓘTags: Adhoc Chope | ARC 152A | Batch | 44 |
appeal | N/A | ⓘTags: Data Structures appeal | Dunjudge Archive | Batch | 44 |
whackamole | N/A | ⓘTags: Binary Search, Line Sweep/Sliding Window Whack-A-Mole | Codeforces 1852A | Batch | 44 |
fractionalmultiset | N/A | ⓘTags: Dynamic Programming Fractional Multiset | ARC 107 | Batch | 44 |
election | N/A | ⓘTags: Data Structures, Dynamic Programming election | Dunjudge Archive | Batch | 44 |
riggedroads | N/A | ⓘTags: Graph Theory, Greedy, Trees riggedroads | NOI 2019 (pwypeanut) | Batch | 44 |
packaging | N/A | ⓘTags: Data Structures, Greedy, Math Packaging | Codeforces 1690E | Batch | 44 |
magicstring | N/A | ⓘTags: Syntax magicstring | AOI 2023 Day 2 (shoryu386) | Batch | 43 |
cokelesssugar | N/A | ⓘTags: Data Structures, Greedy Coke: Less Sugar | Codeforces 1415E (bensonlzl) | Batch | 43 |
obstacletree | N/A | ⓘTags: Dynamic Programming, Graph Theory, Greedy, Trees obstacletree | Codeforces 1528A | Batch | 43 |
whoatethefries | N/A | ⓘTags: Syntax whoatethefries | ABC355A | Batch | 43 |
guessproblem | N/A | ⓘTags: Information Theory, Joke Guess Problem | peepeepoopoo (Potato3218, ryangohca) | Batch | 43 |
indivisibility | N/A | ⓘTags: Math indivisibility | Dunjudge Archive | Batch | 43 |
potionshard | N/A | ⓘTags: Greedy Potions (Hard Version) | Codeforces Round 723 (errorgorn, oolimry) | Batch | 42 |
flamethrower_ex | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window flamethrower_ex | RI November Course 2023 Diagnostic Test (Potato3218) | Batch | 42 |
combo | N/A | ⓘTags: Adhoc Combo | IOI 2018 | Interactive | 42 |
naptime | N/A | ⓘTags: Graph Theory, Greedy naptime | RI-HCI December Course Selection 2020 (cstuart) | Batch | 42 |
attractions | N/A | ⓘTags: Greedy Attractions | DDC23 Final (shoryu386) | Batch | 42 |
noodlestore | N/A | ⓘTags: Data Structures noodlestore | HCI EC³ Beginner Contest (WH8) | Batch | 42 |
growingtrees | N/A | ⓘTags: Binary Search, Data Structures growingtrees | BOI 2011 | Batch | 42 |
mugger | N/A | ⓘTags: Dynamic Programming mugger | RI Problem Setter Contest 2019 (ngmh) | Batch | 42 |
oddoneout | N/A | ⓘTags: Syntax oddoneout | ABC342A | Batch | 42 |
hole | N/A | ⓘTags: Binary Search, Dynamic Programming hole | Dunjudge Archive | Batch | 42 |
kusac | N/A | ⓘTags: Math, Syntax kusac | COCI 2013/2014 | Batch | 42 |
goombatower | N/A | ⓘTags: Binary Search, Data Structures Goomba Tower | Timus 1439 | Batch | 42 |
seats2 | N/A | ⓘTags: Syntax Seats | ABC375A | Batch | 42 |
feedthewallabies | N/A | ⓘTags: Graph Theory Feed the Wallabies | RI December Course Selection Test 2021 (syy) | Batch | 42 |
cht | N/A | ⓘTags: Data Structures, Dynamic Programming Convex Hull Trick | Classic Problem | Batch | 41 |
promotion | N/A | ⓘTags: Data Structures, Graph Theory, Trees Promotion Counting | USACO 2017 Jan, Platinum | Batch | 41 |
lemmas | N/A | ⓘTags: Graph Theory lemmas | Educational Round 1 (errorgorn) | Batch | 41 |
jamestreet | N/A | ⓘTags: Joke Jame Street | April Fools 2024 (oolimry) | Communication | 41 |
queuecutting | N/A | ⓘTags: Data Structures Queue Cutting | CPIC 2024 Final Contest (Pan) | Batch | 41 |
cowland | N/A | ⓘTags: Data Structures, Graph Theory, Trees Cow Land | USACO 2019 February Contest, Gold | Batch | 41 |
figurines | N/A | ⓘTags: Dynamic Programming figurines | Luogu P1164 | Batch | 41 |
potionseasy | N/A | ⓘTags: Dynamic Programming, Greedy Potions (Easy Version) | Codeforces Round 723 (errorgorn, oolimry) | Batch | 41 |
wallabyhop | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window Wallaby Hop | RI December Course Selection Test 2021 (jiahng) | Batch | 41 |
goinghome_agc | N/A | ⓘTags: Data Structures, Greedy goinghome_agc | AGC 023 | Batch | 41 |
duckduckgo | N/A | ⓘTags: Greedy duckduckgo | Codeforces 1091F | Batch | 41 |
buycoke | N/A | ⓘTags: Dynamic Programming Buying Coke | Kattis | Batch | 41 |
stackweights | N/A | ⓘTags: Data Structures stackweights | CSES Problem Set | Batch | 41 |
chunlian | N/A | ⓘTags: Data Structures chunlian | Dunjudge Archive | Batch | 41 |
inspections | N/A | ⓘTags: Data Structures Inspections | NOI 2023 Finals (bensonlzl) | Batch | 41 |
pokeadd | N/A | ⓘTags: Math pokeadd | Dunjudge Archive | Batch | 41 |
troubles | N/A | ⓘTags: Adhoc, Data Structures, Dynamic Programming troubles | Dunjudge Archive | Batch | 41 |
primeage | N/A | ⓘTags: Math, Syntax primeage | NASS CP Club Training Contest 1 (Batigol) | Batch | 40 |
christmaxtrees | N/A | ⓘTags: Graph Theory, Greedy christmaxtrees | Codeforces 1283D | Batch | 40 |
special | N/A | ⓘTags: Dynamic Programming special | Dunjudge Archive | Batch | 40 |
fortunetelling | N/A | ⓘTags: Data Structures Fortune Telling 2 | JOI 2014 | Batch | 40 |
lazycat | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory lazycat | Dunjudge Archive | Batch | 40 |
stringsofimpurity | N/A | ⓘTags: Binary Search stringsofimpurity | AtCoder | Batch | 40 |
trivialexam | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke 小菜一碟 | April Fools 2023 (Xiaoyang) | Batch | 40 |
summarising2023 | N/A | ⓘTags: Joke Summarising 2023 | Hello 2024 (siewjh) | Batch | 40 |
conductslip | N/A | ⓘTags: Greedy Conduct Slip | RI Novcourse Final Contest 2023 (RandomPerson, Tyx2019) | Batch | 39 |
firefighting | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees firefighting | NOI 2020 Qualification | Batch | 39 |
tiles | N/A | ⓘTags: Bitmask, Data Structures, Dynamic Programming tiles | NOI 2021 Finals (eutroph) | Batch | 39 |
housevisit | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees housevisit | CNY Contest 2019 (bensonlzl) | Batch | 39 |
candies_joi | N/A | ⓘTags: Adhoc, Greedy candies_joi | JOI 2017/2018 Spring Camp | Batch | 39 |
zanesgift | N/A | ⓘTags: Dynamic Programming zanesgift | CF 1881E | Batch | 39 |
modules | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming, Line Sweep/Sliding Window modules | NUSH NOI Selection Test 2018 | Batch | 39 |
gotoubun | N/A | ⓘTags: Data Structures, Dynamic Programming gotoubun | folklore (errorgorn) | Batch | 39 |
deliveroo | N/A | ⓘTags: Data Structures, Greedy Deliveroo | RI November Course Stage 2 Selection Test 2021 (Deadeye) | Batch | 39 |
relaymarathon | N/A | ⓘTags: Brute Force, Graph Theory relaymarathon | NOI 2020 Qualification | Batch | 39 |
boardvision | N/A | ⓘTags: Syntax Board Vision | RI Novcourse Final Contest 2023 (zixuan, nianhe) | Batch | 39 |
nerdinvitation | N/A | ⓘTags: Syntax nerdinvitation | NAOI 2024 (spambot696969) | Batch | 39 |
progressionspells | N/A | ⓘTags: Greedy, Line Sweep/Sliding Window Progression Spells | Codeforces 1661D | Batch | 39 |
hungrycats | N/A | ⓘTags: Adhoc, Constructive Algorithms Nanyang Hungry Cats | NYOI 2024 Final Round (JustKitkat) | Batch | 39 |
sumofdigits | N/A | ⓘTags: Syntax Sum of Digits | Classic Problem | Batch | 39 |
bracketsuperseq | N/A | ⓘTags: Dynamic Programming Shortest Bracket Supersequence | Codeforces 1272F | Batch | 38 |
ontheedge | N/A | ⓘTags: Adhoc, Greedy ontheedge | AOI 2024 Day 2 (shoryu386) | Batch | 38 |
nycoordinates | N/A | ⓘTags: Brute Force nycoordinates | NYOI 2024 Practice Round (JustKitkat, Pan) | Batch | 38 |
boxes_hkicpc | N/A | ⓘTags: Graph Theory, Trees Boxes | 2016 ACM ICPC Asia Hong Kong Regional | Batch | 38 |
rarsum | N/A | ⓘTags: Dynamic Programming rarsum | Raffles Cat Helping Contest 2013 | Batch | 38 |
appletree | N/A | ⓘTags: Graph Theory appletree | Dunjudge Archive | Batch | 38 |
cake | N/A | ⓘTags: Brute Force, Data Structures cake | CEOI 2014 | Batch | 38 |
packingducks | N/A | ⓘTags: Brute Force, Dynamic Programming packingducks | Classic Problem | Batch | 38 |
xuehuapiaopiao | N/A | ⓘTags: Binary Search, Data Structures 雪花飘飘 | ABC 248D (Modified) | Batch | 38 |
password | N/A | ⓘTags: Data Structures, Dynamic Programming, Greedy, Slope Trick password | NOI 2021 Finals (ngyupeng6) | Batch | 38 |
snakesnack2 | N/A | ⓘTags: Line Sweep/Sliding Window snakesnack2 | RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) | Batch | 38 |
dynamicdag | N/A | ⓘTags: Graph Theory dynamicdag | December Course 2023 Elementary Final Contest (Tyx2019) | Batch | 38 |
rabbitpainting | N/A | ⓘTags: Greedy rabbitpainting | Dunjudge Archive (bensonlzl) | Batch | 37 |
thedarknight | N/A | ⓘTags: Math, Syntax thedarknight | NASS CP Club Training Contest 1 (Batigol) | Batch | 37 |
SameMapInTheRpgWorld | N/A | ⓘTags: Syntax samemap | ABC 300B | Batch | 37 |
curtains | N/A | ⓘTags: Data Structures, Divide and Conquer Curtains | NOI 2023 Finals (bensonlzl) | Batch | 37 |
doubletrouble | N/A | ⓘTags: Data Structures, Greedy Double Trouble | Dec Trg 2019 (Elementary) (oolimry) | Batch | 37 |
gotosleep | N/A | ⓘTags: Dynamic Programming gotosleep | RI November Course 2024 Diagnostic Test (Potato3218) | Batch | 37 |
simpletask | N/A | ⓘTags: Data Structures A Simple Task | Codeforces 558E | Batch | 37 |
tourism | N/A | ⓘTags: Syntax tourism | HCI November Final Contest 2024 (Tyx2019) | Batch | 37 |
woodcutter | N/A | ⓘTags: Brute Force, Data Structures Woodcutter | Codeforces 527C (modified) | Interactive | 37 |
catleap | N/A | ⓘTags: Graph Theory catleap | Dunjudge Archive | Batch | 37 |
addone | N/A | ⓘTags: Dynamic Programming Add One | Codeforces 1513C | Batch | 37 |
installingapps | N/A | ⓘTags: Dynamic Programming, Greedy Installing Apps | NWERC 2017 | Batch | 36 |
ducknuggetconvention | N/A | ⓘTags: Data Structures, Divide and Conquer Duck Nugget Convention | Valentines Contest 2021 (oolimry) | Batch | 36 |
fruits | N/A | ⓘTags: Data Structures, Greedy fruits | Dunjudge Archive | Batch | 36 |
multipaths | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Multiple Paths | Dunjudge Archive | Batch | 36 |
cudak | N/A | ⓘTags: Binary Search, Dynamic Programming cudak | COCI 2007/2008 | Batch | 36 |
baseplans | N/A | ⓘTags: Adhoc Base Plans | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 36 |
snowcow | N/A | ⓘTags: Data Structures, Graph Theory, Trees Snowcow | USACO 2019 December Contest Platinum | Batch | 36 |
container | N/A | ⓘTags: Square Root Decomposition Shipping Containers | POI 2017 Round 2 Day 2 Q1 | Batch | 36 |
belittle | N/A | ⓘTags: Dynamic Programming belittle | ANDSS Welcome 2023 (Day 2) (shoryu386) | Batch | 35 |
hdb | N/A | ⓘTags: Data Structures, Dynamic Programming hdb | Dunjudge Archive | Batch | 35 |
nystudy | N/A | ⓘTags: Data Structures Nanyang Study | NYOI 2024 Final Round (JustKitkat) | Batch | 35 |
rmq | N/A | ⓘTags: Data Structures, Greedy rmq | NOI 2017 | Batch | 35 |
veryeasymath | N/A | ⓘTags: Syntax veryeasymath | RI November Course 2024 Diagnostic Test (Potato3218, RandomPerson) | Batch | 35 |
sniper | N/A | ⓘTags: Math sniper | ANDSS Coding Head Sel 2023 Duel (shoryu386) | Batch | 35 |
numbergame | N/A | ⓘTags: Binary Search numbergame | ANDSS Welcome 2023 (Day 2) (shoryu386) | Batch | 35 |
atm | N/A | ⓘTags: Graph Theory The Great ATM Robbery | APIO 2009 | Batch | 35 |
deda | N/A | ⓘTags: Binary Search, Data Structures deda | COCI 2017/2018 | Batch | 35 |
bunnyscore | N/A | ⓘTags: Adhoc, Data Structures bunnyscore | RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) | Interactive | 35 |
bottle | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Bottle | Dunjudge Archive | Batch | 34 |
cave | N/A | ⓘTags: Binary Search cave | IOI 2013 | Interactive | 34 |
motest2 | N/A | ⓘTags: Joke, Math MOtest2 | April Fools 2023 (Tyx2019) | Batch | 34 |
mining | N/A | ⓘTags: Graph Theory mining | Dunjudge Archive | Batch | 34 |
eexploration | N/A | ⓘTags: Graph Theory Elementary Exploration | Dec Course 2021 Elementary Final Contest (shenxy13) | Batch | 34 |
bridge_apio15 | N/A | ⓘTags: Data Structures Palembang Bridges | APIO 2015 | Batch | 34 |
mountainbridges | N/A | ⓘTags: Data Structures, Dynamic Programming mountainbridges | HCI November Final Contest 2023 (huangqr) | Batch | 34 |
nombor | N/A | ⓘTags: Binary Search, Brute Force Nombor | ABC 246D | Batch | 34 |
bosubaiko | N/A | ⓘTags: Adhoc, Greedy Bosu Baiko | Educational Round 6 (errorgorn) | Batch | 34 |
pancake | N/A | ⓘTags: Brute Force, Graph Theory pancake | NOI 2012 | Batch | 34 |
bombing2 | N/A | ⓘTags: Graph Theory bombing2 | Dunjudge Archive | Batch | 34 |
mushroomfarm | N/A | ⓘTags: Binary Search, Dynamic Programming Jianzhi’s Mushroom Farm | RI NOI Selection Test 2017 | Batch | 34 |
tour | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory tour | NOI 2011 | Batch | 34 |
beautifulbrackets | N/A | ⓘTags: Dynamic Programming Beautiful Bracket Sequence | Codeforces 1264D1 | Batch | 33 |
bombing | N/A | ⓘTags: Graph Theory bombing | Dunjudge Archive | Batch | 33 |
rabbitmeeting | N/A | ⓘTags: Adhoc, Greedy RabbitMeeting | December Course 2018 Advanced Final Contest | Batch | 33 |
arcade | N/A | ⓘTags: Adhoc, Data Structures, Dynamic Programming arcade | NOI 2020 Finals (pwypeanut) | Batch | 33 |
ducktransport | N/A | ⓘTags: Binary Search, Greedy ducktransport | ANDSS Coding Head Sel 2023 Duel (bron, shoryu386) | Batch | 33 |
doubleflip | N/A | ⓘTags: Adhoc Double Flip | TROC 24 (errorgorn) | Batch | 33 |
obstacles | N/A | ⓘTags: Binary Search, Dynamic Programming obstacles | Codeforces 360B | Batch | 33 |
treepruning2 | N/A | ⓘTags: Graph Theory, Greedy, Trees Pruning Trees | Codeforces 1593E (modified) (ecxx) | Batch | 33 |
arraypartition | N/A | ⓘTags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window arraypartition | Codeforces 487B | Batch | 32 |
closingshop | N/A | ⓘTags: Dynamic Programming, Graph Theory Closing Shop | Codeforces 721C | Batch | 32 |
lunchtime | N/A | ⓘTags: Adhoc Lunchtime | ARC 162A | Batch | 32 |
radioactive | N/A | ⓘTags: Divide and Conquer, Dynamic Programming radioactive | NOI 2015 | Batch | 32 |
plantingpotatoes2 | N/A | ⓘTags: Math, Syntax plantingpotatoes2 | RI November Course 2024 Elementary Final Contest | Batch | 32 |
equals | N/A | ⓘTags: Graph Theory equals | ARC 097 | Batch | 32 |
selectingintervals | N/A | ⓘTags: Binary Search, Dynamic Programming selectingintervals | Codeforces 1055E | Batch | 32 |
mothertounge | N/A | ⓘTags: Graph Theory, Joke Mother Tounge | Hello 2024 (oolimry) | Batch | 32 |
ants | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees ants | Dunjudge Archive | Interactive | 31 |
assignpaths | N/A | ⓘTags: Binary Search, Graph Theory, Greedy, Trees assignpaths | USACO 2020 February Contest, Platinum | Batch | 31 |
segmenttreebeats | N/A | ⓘTags: Data Structures My Soul, Your Beats | CF 1791F | Batch | 31 |
historical | N/A | ⓘTags: Square Root Decomposition Historical | JOI 2013/2014 | Batch | 31 |
adventure | N/A | ⓘTags: Adhoc adventure | HCI EC³ Beginner Contest 2024 (bz) | Batch | 31 |
shuttlerun | N/A | ⓘTags: Greedy shuttlerun | AGC 025C | Batch | 31 |
downbad | N/A | ⓘTags: Dynamic Programming downbad | Luogu P1806 | Batch | 31 |
partitiongame | N/A | ⓘTags: Data Structures, Dynamic Programming Partition Game | Codeforces 1527E | Batch | 31 |
removeelements | N/A | ⓘTags: Binary Search, Data Structures removeelements | Codeforces Round #668 | Batch | 31 |
binomial | N/A | ⓘTags: Math binomial | Dunjudge Archive | Batch | 31 |
celldivision | N/A | ⓘTags: Binary Search, Math celldivision | Random Idea (shoryu386) | Batch | 31 |
dice | N/A | ⓘTags: Math Dice | Dec Course 2021 BAPS (origami100, dillion) | Batch | 31 |
plagia | N/A | ⓘTags: Data Structures plagia | December Course 2018 Advanced Final Contest | Batch | 31 |
exoticplants | N/A | ⓘTags: Graph Theory Exotic Plants | Luogu P4568 [JLOI2011] | Batch | 31 |
snakesnack | N/A | ⓘTags: Dynamic Programming, Greedy snakesnack | Codeforces 1239E | Batch | 30 |
dna | N/A | ⓘTags: Dynamic Programming DNA | APIO 2008 | Batch | 30 |
sequence_apio | N/A | ⓘTags: Dynamic Programming Split the sequence | APIO 2014 | Batch | 30 |
pavement | N/A | ⓘTags: Constructive Algorithms, Greedy Painting Pavements | HCI December Course Selection 2021 (pavement) | Batch | 30 |
merchant_o | N/A | ⓘTags: Dynamic Programming, Slope Trick Merchant Otter | Dec Course 2020 BAPS (myrcella) | Batch | 30 |
hellokitty | N/A | ⓘTags: Binary Search, Data Structures, Math hellokitty | Dunjudge Archive | Batch | 30 |
fourbuckets | N/A | ⓘTags: Adhoc, Math Four Buckets | Educational Round 6 (oolimry) | Batch | 30 |
cakerun | N/A | ⓘTags: Data Structures Bowen's Cake Run | December Course 2019 Advanced Final Contest (rs) | Batch | 30 |
lratio | N/A | ⓘTags: Data Structures, Dynamic Programming L + Ratio | Алгоритм 2022 | Batch | 30 |
safety | N/A | ⓘTags: Dynamic Programming, Slope Trick Safety | NOI 2018 | Batch | 30 |
horses | N/A | ⓘTags: Data Structures, Math horses | IOI 2015 | Interactive | 30 |
bucketstacking | N/A | ⓘTags: Adhoc, Greedy Bucket Stacking | RI-HCI-NUSH NOI Selection Test 2021 (oolimry) | Batch | 30 |
jams | N/A | ⓘTags: Data Structures Jams | Algorithm Class Mini-Contest 8 | Batch | 30 |
rolling | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Rolling | Dunjudge Archive | Batch | 30 |
jumping2 | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming Jumping | Dunjudge Archive | Batch | 29 |
lampposts | N/A | ⓘTags: Binary Search lampposts | Dunjudge Archive | Interactive | 29 |
mathtest | N/A | ⓘTags: Math, Syntax mathtest | Dunjudge Archive | Batch | 29 |
reopening | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Trees Reopening Shop | Dec Course 2022 BAPS (errorgorn, Halogen) | Batch | 29 |
guessarray | N/A | ⓘTags: Adhoc 4sadfaces Guessing an Array | Dec Course 2020 BAPS (zaneyu) | Interactive | 29 |
createnumber | N/A | ⓘTags: Greedy createnumber | ABC 257E | Batch | 29 |
index | N/A | ⓘTags: Binary Search, Data Structures index | COCI 2020/2021 Contest 6 | Batch | 29 |
feelgood | N/A | ⓘTags: Dynamic Programming, Math Feel Good | Luogu P2602 | Batch | 29 |
chocolate | N/A | ⓘTags: Dynamic Programming chocolate | Dunjudge Archive | Batch | 29 |
swap | N/A | ⓘTags: Graph Theory, Trees Swapping Cities | APIO 2020 | Interactive | 29 |
mate | N/A | ⓘTags: Graph Theory mate | RSA Fun Contest (errorgorn) | Batch | 29 |
toll | N/A | ⓘTags: Data Structures, Dynamic Programming toll | BOI 2017 | Batch | 29 |
countingagain | N/A | ⓘTags: Dynamic Programming, Math Counting Again | ARC 104D | Batch | 29 |
removeedges | N/A | ⓘTags: Graph Theory removeedges | Atcoder | Batch | 29 |
republiccity | N/A | ⓘTags: Graph Theory Republic City | RI Nov Sel 2020 (JustAWallaby) | Batch | 29 |
sonya | N/A | ⓘTags: Dynamic Programming, Slope Trick Sonya and Problem Wihtout A Legend | Codeforces 713C | Batch | 29 |
OrXor | N/A | ⓘTags: Bitmask, Syntax orxor | ABC 197C | Batch | 28 |
triusis | N/A | ⓘTags: Data Structures, Dynamic Programming Rabbit Carrot | Lithuanian Olympiad in Informatics 2019 | Batch | 28 |
blank | N/A | ⓘTags: Joke | April Fools 2024 (zengminghao) | Batch | 28 |
blackmagic | N/A | ⓘTags: Bitmask, Brute Force Black Magic | USACO 2023 January Contest, Bronze | Batch | 28 |
vouchers | N/A | ⓘTags: Dynamic Programming vouchers | Dunjudge Archive | Batch | 28 |
lemonadestand | N/A | ⓘTags: Greedy lemonadestand | Dunjudge Archive | Batch | 28 |
puttingstrings | N/A | ⓘTags: Constructive Algorithms, Graph Theory puttingstrings | RI-HCI December Course Selection 2020 (rs) | Batch | 28 |
mathtree | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Math Tree | SGP Sparring 2021 (lovemathboy) | Batch | 28 |
moosic | N/A | ⓘTags: Data Structures moosic | Codeforces Round #386 | Batch | 28 |
bananafever | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees bananafever | Dunjudge Archive | Batch | 28 |
chickensoup | N/A | ⓘTags: Data Structures, Math chickensoup | ABC 256F | Batch | 28 |
mergeguessproblem | N/A | ⓘTags: Joke Merge Guess Problem | Hello 2024 (oolimry) | Batch | 28 |
firecracker | N/A | ⓘTags: Data Structures, Greedy firecracker | CNY Contest 2019 | Batch | 28 |
factories | N/A | ⓘTags: Data Structures, Divide and Conquer, Graph Theory, Trees factories | JOI 2014 Open | Interactive | 28 |
triangles | N/A | ⓘTags: Graph Theory, Square Root Decomposition Counting Triangles | Classic Problem | Batch | 28 |
hld | N/A | ⓘTags: Data Structures, Graph Theory, Trees hld | LOJ P139 | Batch | 28 |
merchant | N/A | ⓘTags: Binary Search, Dynamic Programming, Graph Theory Travelling Merchant | APIO 2017 | Batch | 28 |
abc_apio23 | N/A | ⓘTags: Constructive Algorithms, Divide and Conquer, Information Theory, Joke Alice, Bob and Circuit | APIO 2023 | Batch | 28 |
mountain | N/A | ⓘTags: Data Structures Mountain | IOI 2005 | Batch | 28 |
sandcity | N/A | ⓘTags: Dynamic Programming sandcity | Random Idea (shoryu386, Reverberate) | Batch | 28 |
hunter | N/A | ⓘTags: Graph Theory, Trees Hunter | Dunjudge Archive (bensonlzl) | Interactive | 28 |
maximumtriangle | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming Maximum Triangle | CF Edu Round 11 F | Batch | 28 |
naan | N/A | ⓘTags: Greedy, Math naan | JOI 2018/2019 Spring Camp | Batch | 28 |
pairofballs | N/A | ⓘTags: Data Structures Pair of Balls | ABC 216D | Batch | 28 |
deciphering_zane | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Dceiprhenig Zane | April Fools 2023 (Xiaoyang, leyi, ecxx, tux, Craftless, Gladius3482) | Batch | 27 |
collectmushrooms5 | N/A | ⓘTags: Greedy collectmushrooms5 | Dunjudge Archive | Batch | 27 |
catnames | N/A | ⓘTags: Math catnames | RI/RJC NOI Selection Test 2016 | Batch | 27 |
explosives | N/A | ⓘTags: Adhoc, Greedy Explosives | NOI 2024 Qualification Contest (yanhao) | Batch | 27 |
baseplans_ex | N/A | ⓘTags: Data Structures baseplans_ex | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 27 |
mrbeast | N/A | ⓘTags: Data Structures, Graph Theory, Trees mrbeast | Codeforces | Batch | 27 |
solarstorm | N/A | ⓘTags: Graph Theory, Line Sweep/Sliding Window, Trees Solar Storm | NOI 2020 Prelims | Batch | 27 |
truck | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Math, Trees truck | NOI 2021 Qualification (huajun) | Batch | 27 |
fencing | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window, Square Root Decomposition Fencing | RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) | Batch | 27 |
collectmushrooms4 | N/A | ⓘTags: Data Structures, Dynamic Programming collectmushrooms4 | Dunjudge Archive | Batch | 27 |
findinggrass_ex | N/A | ⓘTags: Joke Helping an ex-cs student touch grass while blindfolded with my insane programming skills in another world | April Fools 2023 (siewjh) | Batch | 27 |
umbrella | N/A | ⓘTags: Dynamic Programming umbrella | USACO Silver Dec 2011 | Batch | 27 |
globalwarming_ceoi | N/A | ⓘTags: Data Structures, Dynamic Programming Global warming | CEOI 2018 | Batch | 27 |
hackingscores | N/A | ⓘTags: Greedy Hacking Scores | CPIC 2024 Final Contest (Shadow1) | Batch | 27 |
prefixgcd | N/A | ⓘTags: Adhoc, Brute Force, Math prefixgcd | Dec Course 2021 BAPS (jiahng) | Batch | 27 |
abcs | N/A | ⓘTags: Adhoc abcs | SG IO Course Final Contest | Batch | 27 |
funnynim | N/A | ⓘTags: Explicitly Excluded (from IOI), Math funnynim | IMO Shortlist 2015 | Batch | 27 |
sailor | N/A | ⓘTags: Graph Theory sailor | CPSPC 2010 | Batch | 27 |
funfair | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Funfair | Educational Round 5 (rs) | Batch | 26 |
boring | N/A | ⓘTags: Dynamic Programming boring | Dunjudge Archive | Batch | 26 |
nostatement | N/A | ⓘTags: Joke, Math nostatement | Dunjudge Archive | Batch | 26 |
inversemax | N/A | ⓘTags: Bitmask, Dynamic Programming inversemax | Educational Round 3 (errorgorn) | Batch | 26 |
smurfberries | N/A | ⓘTags: Binary Search smurfberries | All-Ukrainian School Olympiad in Informatics 2011 | Batch | 26 |
visitingsingapore | N/A | ⓘTags: Dynamic Programming Visiting Singapore | NOI 2020 Prelims | Batch | 26 |
jewels | N/A | ⓘTags: Line Sweep/Sliding Window Nanyang Jewels | NYOI 2024 Final Round (Shadow1) | Batch | 26 |
robots | N/A | ⓘTags: Binary Search, Greedy robots | IOI 2013 | Interactive | 26 |
deciphering_zane_4 | N/A | ⓘTags: Joke Deciphering Zane (IV) | Hello 2024 (ecxx) | Interactive | 26 |
goodchef | N/A | ⓘTags: Data Structures, Greedy goodchef | AOI 2024 Day 2 (shoryu386) | Batch | 26 |
meltylandnightmare | N/A | ⓘTags: Brute Force, Graph Theory, Greedy meltylandnightmare | AOI 2024 Day 1 (shoryu386) | Batch | 26 |
magicboard | N/A | ⓘTags: Adhoc, Math magicboard | AOI 2023 Day 2 (shoryu386) | Batch | 26 |
beacon | N/A | ⓘTags: Dynamic Programming, Math Beacon Towers | Grand Prix of Seoul | Batch | 26 |
artswap | N/A | ⓘTags: Data Structures artswap | HCI NOI Selection Retest 2020 (bensonlzl) | Interactive | 26 |
boxhaskey | N/A | ⓘTags: Graph Theory Box Has Key | HCI-RI 2020 May Contest (bensonlzl) | Batch | 25 |
nian | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Nian | 2020 CNY (oolimry) | Batch | 25 |
rating | N/A | ⓘTags: Adhoc, Math Rating Changes | Dec Trg 2019 (Elementary) | Batch | 25 |
gerrymandering | N/A | ⓘTags: Dynamic Programming Gerrymandering | Dec Course 2021 BAPS (beepbeepsheep) | Batch | 25 |
wabbitosu | N/A | ⓘTags: Adhoc, Data Structures, Greedy Wabbit osu!taiko | HCI December Course Selection 2021 (bensonlzl) | Batch | 25 |
movingbasement | N/A | ⓘTags: Binary Search, Greedy Moving Basement | Codeforces 1623C | Batch | 25 |
mercurypoisoning | N/A | ⓘTags: Graph Theory Mercury Poisoning | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 25 |
learning | N/A | ⓘTags: Dynamic Programming learning | Luogu P1802 | Batch | 25 |
rabbitbars | N/A | ⓘTags: Binary Search, Data Structures, Divide and Conquer, Dynamic Programming rabbitbars | Dunjudge Archive (bensonlzl) | Batch | 25 |
cinema | N/A | ⓘTags: Data Structures cinema | HCI November Final Contest 2024 (penguin133) | Batch | 25 |
shoes | N/A | ⓘTags: Data Structures, Greedy Arranging Shoes | IOI 2019 (Day 1) | Interactive | 25 |
replacingpavement | N/A | ⓘTags: Adhoc, Graph Theory, Trees Replacing Pavement | December Course 2023 Advanced Final Contest (asbx, back2square1) | Batch | 25 |
pillars | N/A | ⓘTags: Data Structures Pillars | RI December Course Selection Test 2021 (rs) | Batch | 25 |
fitnesscorner | N/A | ⓘTags: Divide and Conquer, Graph Theory, Trees Fitness Corner | Codeforces 321C | Batch | 25 |
lppfnlcst | N/A | ⓘTags: Binary Search, Data Structures Lazy Propagation Persistant Fat Nodes Li Chao Segment Tree | Educational Round 1 (errorgorn) | Batch | 25 |
magicspell | N/A | ⓘTags: Line Sweep/Sliding Window magicspell | AOI 2023 Day 2 (shoryu386) | Batch | 25 |
candies2 | N/A | ⓘTags: Greedy candies2 | ARC 064A | Batch | 25 |
guessproblem3_ex | N/A | ⓘTags: Joke Guess Problem 3 (Extended) | Hello 2024 (ecxx) | Batch | 25 |
trivialmaths | N/A | ⓘTags: Explicitly Excluded (from IOI), Math trivialmaths | Valentines Contest 2021 (errorgorn) | Interactive | 24 |
removalcosts | N/A | ⓘTags: Adhoc, Greedy, Math Removal Costs | Dec Course 2022 BAPS (maomao90) | Batch | 24 |
chokolit | N/A | ⓘTags: Line Sweep/Sliding Window chokolit | NAOI 2024 (spambot696969) | Batch | 24 |
spy | N/A | ⓘTags: Data Structures, Graph Theory, Trees spy | 2013 IOI Japan National Team Selection Test Day 2 | Batch | 24 |
newjeans | N/A | ⓘTags: Divide and Conquer, Dynamic Programming Bob's New Jeans | Codeforces 868F | Batch | 24 |
duckwar | N/A | ⓘTags: Binary Search, Greedy, Math duckwar | Anderson Fluff Contest (shoryu386) | Batch | 24 |
hotspot | N/A | ⓘTags: Graph Theory hotspot | NOI 2017 | Batch | 24 |
potatosqueues | N/A | ⓘTags: Data Structures, Greedy potatosqueues | Classic Problem (Potato3218) | Batch | 24 |
rangedeleting | N/A | ⓘTags: Line Sweep/Sliding Window Range Deleting | Codeforces 1167E | Batch | 24 |
mememagic | N/A | ⓘTags: Dynamic Programming mememagic | Dunjudge Archive | Batch | 24 |
burger | N/A | ⓘTags: Greedy burger | Code Jam to I/O 2018 for Women | Batch | 24 |
aliens | N/A | ⓘTags: Data Structures aliens | Dunjudge Archive | Batch | 24 |
squarerect | N/A | ⓘTags: Adhoc, Binary Search, Information Theory Square or Rectangle? | NOI 2019 Prelims (pwypeanut) | Interactive | 24 |
laughter | N/A | ⓘTags: Binary Search, Data Structures, Line Sweep/Sliding Window laughter | Educational Codeforces Round 27 | Batch | 24 |
molecules | N/A | ⓘTags: Adhoc, Line Sweep/Sliding Window Detecting Molecules | IOI 2016 | Interactive | 24 |
gap | N/A | ⓘTags: Information Theory, Math Gap | APIO 2016 | Interactive | 24 |
waterbottles2 | N/A | ⓘTags: Greedy waterbottles2 | HCI EC³ Beginner Contest 2024 (bz, AlphanumericUsername) | Batch | 24 |
sellingpotatoes | N/A | ⓘTags: Adhoc Selling Potatoes | RI November Course 2024 Elementary Final Contest | Batch | 24 |
motest | N/A | ⓘTags: Math MOtest | Valentine's Day Contest 2023 (Tyx2019) | Batch | 24 |
strawberry | N/A | ⓘTags: Data Structures, Dynamic Programming Speedy Strawberries | 2020 CNY (shenxy13) | Batch | 23 |
strangedevice | N/A | ⓘTags: Data Structures, Math Strange Device | APIO 2019 | Batch | 23 |
cards | N/A | ⓘTags: Data Structures cards | Dunjudge Archive | Batch | 23 |
village | N/A | ⓘTags: Graph Theory, Greedy, Trees village | BOI 2020 | Batch | 23 |
fertile | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming fertile | RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) | Batch | 23 |
shoop | N/A | ⓘTags: Binary Search, Greedy shoop | Dec Course 2024 Selection Test (penguin133) | Batch | 23 |
findandprevent | N/A | ⓘTags: Graph Theory, Trees Find and Prevent | Tuymaada 2021 | Batch | 23 |
everyonewinstherace | N/A | ⓘTags: Binary Search, Greedy everyonewinstherace | December Course 2023 Elementary Final Contest (oolimry) | Batch | 23 |
wall | N/A | ⓘTags: Data Structures wall | IOI 2014 | Interactive | 23 |
happyarrays | N/A | ⓘTags: Dynamic Programming, Line Sweep/Sliding Window Happy Arrays | Classic Problem (penguin133) | Batch | 23 |
gohcart | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory Goh Cart | Codeforces 1715E (f0restf1re) | Batch | 23 |
openingshop | N/A | ⓘTags: Greedy Opening Shop | Dec Course 2021 BAPS (Halogen) | Batch | 23 |
rabbitroad | N/A | ⓘTags: Binary Search, Graph Theory, Greedy, Trees RabbitRoad | RI-HCI December Course Selection 2019 (bensonlzl) | Batch | 23 |
closedpath | N/A | ⓘTags: Graph Theory, Trees closedpath | Dunjudge Archive | Batch | 23 |
repairs | N/A | ⓘTags: Data Structures, Graph Theory, Trees repairs | Dunjudge Archive | Batch | 23 |
babyproduction | N/A | ⓘTags: Data Structures babyproduction | SG IO Course Final Contest (zaneyu) | Batch | 23 |
mamamintaplusa | N/A | ⓘTags: Greedy mama MINta PLUSa | Educational Round 8 (Goodbye oolimry) (errorgorn) | Batch | 23 |
invasion | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Line Sweep/Sliding Window, Trees invasion | Dunjudge Archive | Batch | 23 |
miracleflover | N/A | ⓘTags: Joke Miracle Flover | Hello 2024 (ryangohca, ecxx, leyi) | Interactive | 23 |
potatoqueue | N/A | ⓘTags: Data Structures potatoqueue | Dunjudge Archive | Interactive | 23 |
couples | N/A | ⓘTags: Dynamic Programming couples | December Course 2018 Advanced Final Contest | Batch | 22 |
mathexam | N/A | ⓘTags: Math, Syntax Math Exam | RICP Diagnostic Test 2024 (Potato3218) | Batch | 22 |
skyscraper_apio15 | N/A | ⓘTags: Graph Theory, Square Root Decomposition Jakarta Skyscrapers | APIO 2015 | Batch | 22 |
build | N/A | ⓘTags: Graph Theory, Greedy build | ABC 065D | Batch | 22 |
coprimecodependence | N/A | ⓘTags: Brute Force, Math coprimecodependence | HCI (HS) 2024 Contest 1 (AlphanumericUsername) | Batch | 22 |
monochromecat | N/A | ⓘTags: Graph Theory, Trees monochromecat | ARC 097 | Batch | 22 |
acorns | N/A | ⓘTags: Data Structures acorns | MCO 2016 | Batch | 22 |
subsetmex | N/A | ⓘTags: Adhoc Subset Mex | EGOI 2022 Day 1 | Batch | 22 |
dragonfly | N/A | ⓘTags: Data Structures, Graph Theory, Trees dragonfly | NOI 2022 Qualification (bensonlzl) | Batch | 22 |
jumps | N/A | ⓘTags: Data Structures, Greedy Rainforest Jumps | APIO 2021 (bensonlzl) | Interactive | 22 |
WA1 | N/A | ⓘTags: Joke WA1 | NYCP Challenge (Pan) | Batch | 22 |
divsum | N/A | ⓘTags: Math Divisor Sum | Educational Round 1 (errorgorn) | Batch | 22 |
catteams | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming catteams | RI/RJC NOI Selection Test 2016 | Batch | 22 |
stoning | N/A | ⓘTags: Meet in the Middle stoning | RICP Diagnostic Test 2024 (Potato3218) | Batch | 22 |
mice | N/A | ⓘTags: Graph Theory mice | Dunjudge Archive | Batch | 22 |
planning | N/A | ⓘTags: Graph Theory, Greedy, Trees Company Planning | TOKI Open 2014 | Batch | 22 |
power | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees power | JOI | Batch | 22 |
cp2booksales | N/A | ⓘTags: Line Sweep/Sliding Window cp2booksales | Dunjudge Archive | Batch | 22 |
rainbowroad | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory, Trees Rainbow Road | HCI-RI 2020 May Contest (bensonlzl) | Batch | 22 |
centroid | N/A | ⓘTags: Brute Force, Graph Theory Centroid | Dunjudge Archive | Batch | 22 |
pipes | N/A | ⓘTags: Graph Theory Pipes | CEOI 2015 | Batch | 22 |
fractional_knapsack | N/A | ⓘTags: Greedy fractional_knapsack | Classic Problem | Batch | 22 |
more_lca | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees More LCA | Educational Round 10 (Goodbye cstuart and kai824) (cstuart) | Interactive | 22 |
infiniteloop | N/A | ⓘTags: Graph Theory Infinite Looping Sequence | 2017 RI Dec Course Sel (pwypeanut) | Batch | 22 |
NYCanteen | N/A | ⓘTags: Data Structures, Greedy, Line Sweep/Sliding Window Nanyang Canteen | NYOI 2024 Final Round (Pan) | Batch | 22 |
streakmanipulation | N/A | ⓘTags: Binary Search, Dynamic Programming streakmanipulation | The 2nd Universal Cup. Stage 12: Hefei | Batch | 22 |
orangecollector | N/A | ⓘTags: Bitmask, Data Structures, Dynamic Programming Orange Collector | RI-HCI December Course Selection 2019 (rs) | Batch | 21 |
scrivener | N/A | ⓘTags: Data Structures Crayfish scrivener | IOI 2012 | Interactive | 21 |
berlandtaxi | N/A | ⓘTags: Data Structures Berland.Taxi | NEERC 2017 Southern Subregional Contest | Batch | 21 |
police | N/A | ⓘTags: Dynamic Programming, Graph Theory Police Station | CPSPC 2017 | Batch | 21 |
summarizing2021 | N/A | ⓘTags: Explicitly Excluded (from IOI) 🗿🗿🗿 | Hello 2022 (errorgorn) | Interactive | 21 |
arrangetoys | N/A | ⓘTags: Graph Theory, Math Arranging Toy Displays | AGC 016D | Batch | 21 |
penghulu | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Penghulu | MCO 2016 | Batch | 21 |
examstress | N/A | ⓘTags: Adhoc Exam Stress | Exam Stress (JustKitkat) | Batch | 21 |
qualitytime | N/A | ⓘTags: Dynamic Programming Quality Time | Codeforces 922E | Batch | 21 |
anutforajaroftuna | N/A | ⓘTags: Dynamic Programming, Greedy A Nut For A Jar Of Tuna | Codeforces 730J | Batch | 21 |
rarwall | N/A | ⓘTags: Data Structures rarwall | Dunjudge Archive | Interactive | 21 |
goofyarray | N/A | ⓘTags: Greedy goofyarray | SG IO Course Final Contest (zaneyu) | Batch | 21 |
pplow | N/A | ⓘTags: Line Sweep/Sliding Window pplow | Classic Problem | Batch | 21 |
matsuri | N/A | ⓘTags: Dynamic Programming matsuri | AOI 2023 Day 1 (shoryu386) | Batch | 21 |
youtubealgo | N/A | ⓘTags: Data Structures, Dynamic Programming youtubealgo | Dec Course Elem DP 1 Contest (shoryu386) | Batch | 21 |
battleship | N/A | ⓘTags: Bitmask, Constructive Algorithms, Divide and Conquer Battleship | HCI-NUSH NOI Selection 2022 (errorgorn) | Interactive | 21 |
goodmorning | N/A | ⓘTags: Graph Theory Good Morning | ISC 2020 practice (errorgorn) | Batch | 21 |
badtree | N/A | ⓘTags: Binary Search, Data Structures badtree | RI-HCI December Course Selection 2019 (bensonlzl) | Batch | 21 |
robobear | N/A | ⓘTags: Graph Theory The Maze of RoboBear | Tuymaada 2021 | Batch | 21 |
interestring | N/A | ⓘTags: Dynamic Programming, Math interestring | RI-HCI December Course Selection 2020 (cstuart) | Batch | 21 |
gfriendtree | N/A | ⓘTags: Data Structures, Graph Theory, Trees The 200000 Girlfriends Who Really, Really, Really, Really, Really Love Zane And His Tree | Luogu P3313 | Batch | 21 |
dreaming | N/A | ⓘTags: Graph Theory dreaming | IOI 2013 | Interactive | 21 |
camels | N/A | ⓘTags: Data Structures Guessing Camels | NWERC 2015 | Batch | 21 |
arcwrecker2 | N/A | ⓘTags: Adhoc, Data Structures arcwrecker2 | ARC119C | Batch | 20 |
distribution | N/A | ⓘTags: Bitmask, Constructive Algorithms, Meet in the Middle Distribution | Codechef January Cook-Off 2021 | Batch | 20 |
reversiblecampaign | N/A | ⓘTags: Math, Syntax reversiblecampaign | yixiang derrick and lucas couldn’t solve this lol (AlphanumericUsername) | Batch | 20 |
NYSSW_easy | N/A | ⓘTags: Binary Search, Math Nanyang Seashell Wall (Easy) | NYOI 2024 Practice Round (Shadow1) | Batch | 20 |
football | N/A | ⓘTags: Dynamic Programming football | Anderson Fluff Contest (LCJLY) | Batch | 20 |
bigbinarytree | N/A | ⓘTags: Greedy Big Binary Tree | RI-HCI Final Contest 2022 (bensonlzl) | Batch | 20 |
lopov | N/A | ⓘTags: Data Structures lopov | COCI 2013/2014 | Batch | 20 |
melons_joig | N/A | ⓘTags: Binary Search, Dynamic Programming Melons | JOIG 2021/2022 | Batch | 20 |
jumper | N/A | ⓘTags: Brute Force, Data Structures, Line Sweep/Sliding Window Manhattan Jumper | HCI-NUSH NOI Selection 2022 (errorgorn) | Batch | 20 |
island_boi | N/A | ⓘTags: Graph Theory, Greedy, Trees island | BOI 2022 | Batch | 20 |
qualityinspections | N/A | ⓘTags: Data Structures qualityinspections | ANDSS Coding Head Sel 2023 Duel (penguin133, shoryu386) | Batch | 20 |
splittingpower | N/A | ⓘTags: Data Structures, Dynamic Programming, Greedy, Math splittingpower | AOI 2024 Day 2 (shoryu386) | Batch | 20 |
flowering | N/A | ⓘTags: Data Structures flowering | COCI 2008/2009 | Batch | 20 |
cycling | N/A | ⓘTags: Graph Theory, Trees cycling | Dunjudge Archive | Batch | 20 |
mrt2 | N/A | ⓘTags: Graph Theory mrt2 | Dec Course 2024 Selection Test (siewjh) | Batch | 20 |
lambsrespite | N/A | ⓘTags: Data Structures Lamb's Respite | XXII Open Cup. Grand Prix of Korea | Batch | 20 |
reachability | N/A | ⓘTags: Dynamic Programming, Graph Theory reachability | Classic Problem | Batch | 20 |
outing | N/A | ⓘTags: Data Structures Outing | Educational Round 10 (Goodbye cstuart and kai824) (kai824) | Batch | 20 |
colour | N/A | ⓘTags: Data Structures colour | December Course 2018 Elementary Final Contest | Batch | 20 |
volcanic | N/A | ⓘTags: Binary Search, Graph Theory Volcanic Travel | ANDSS Welcome 2023 (Day 2) (shoryu386) | Batch | 20 |
roots | N/A | ⓘTags: Data Structures, Graph Theory, Trees roots | Codeforces 695E | Batch | 20 |
island | N/A | ⓘTags: Graph Theory, Math, Trees Island | NOI 2018 Prelims | Batch | 20 |
colorgraph | N/A | ⓘTags: Graph Theory colorgraph | uwu (errorgorn) | Batch | 20 |
rabbitmilk | N/A | ⓘTags: Greedy rabbitmilk | Dunjudge Archive | Batch | 20 |
binarylock | N/A | ⓘTags: Bitmask, Meet in the Middle binarylock | Codeforces 1257F | Batch | 20 |
christmasturkeyfarm | N/A | ⓘTags: Data Structures Christmas Turkey Farming | Educational Round 2 (dillion) | Batch | 19 |
jjooii2 | N/A | ⓘTags: Adhoc, Binary Search, Line Sweep/Sliding Window jjooii2 | JOI 2020 Final Round | Batch | 19 |
guessproblem4_ex | N/A | ⓘTags: Joke Guess Problem 4 (Extended) | Hello 2024 (ryangohca, ecxx) | Interactive | 19 |
bubblesort | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming Bubble Sort | Educational Round 4 (jamessng, zaneyu, oolimry) | Batch | 19 |
towers_noi | N/A | ⓘTags: Constructive Algorithms, Data Structures, Greedy Towers | NOI 2022 Finals (ngyupeng6) | Batch | 19 |
choosingcandies | N/A | ⓘTags: Brute Force Choosing Candies | Classic Problem | Batch | 19 |
placingrouters | N/A | ⓘTags: Greedy Placing Routers | Codeforces 1764E | Batch | 19 |
delivery | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory delivery | Dunjudge Archive | Batch | 19 |
mathclass | N/A | ⓘTags: Joke, Math Math Class | April Fools 2024 (oolimry) | Batch | 19 |
rabbittolls | N/A | ⓘTags: Graph Theory rabbittolls | Dunjudge Archive | Batch | 19 |
sardines | N/A | ⓘTags: Data Structures, Dynamic Programming sardines | RI NOI Selection Test 2014 | Batch | 19 |
goodgame | N/A | ⓘTags: Explicitly Excluded (from IOI), Math goodgame | ARC 072D | Batch | 19 |
sunshine | N/A | ⓘTags: Dynamic Programming Sunshine | RI Novcourse Final Contest 2023 (zixuan, ryangohca) | Batch | 19 |
lonelybeavers | N/A | ⓘTags: Dynamic Programming lonelybeavers | JOIG 2024 | Batch | 19 |
supertrees | N/A | ⓘTags: Adhoc, Constructive Algorithms, Graph Theory Connecting Supertrees | IOI 2020 | Interactive | 19 |
divsum_dec18 | N/A | ⓘTags: Math Divsum | RI Deccourse 2018 Selection Test (eutroph) | Batch | 19 |
hacked | N/A | ⓘTags: Math, Syntax hacked | RI November Course 2024 Diagnostic Test (Potato3218) | Batch | 19 |
shikandgame | N/A | ⓘTags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window shikandgame | AGC 007 | Batch | 19 |
coin | N/A | ⓘTags: Data Structures, Graph Theory Coin | NOI 2024 Finals (yanhao) | Batch | 19 |
coingame | N/A | ⓘTags: Adhoc, Explicitly Excluded (from IOI) coingame | NTST 2015 | Batch | 19 |
escalation | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees escalation | RI-HCI December Course Selection 2019 (bensonlzl) | Batch | 19 |
rebuild | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Greedy rebuild | RI-HCI-NUSH NOI Selection Test 2021 (shenxy13) | Interactive | 18 |
findinggrass | N/A | ⓘTags: Data Structures, Greedy Finding Grass | Dec Course 2022 BAPS (hmm) | Batch | 18 |
doubletrip | N/A | ⓘTags: Brute Force, Constructive Algorithms, Graph Theory Double Trip | Codeforces 1343E | Batch | 18 |
askonegetonefree | N/A | ⓘTags: Binary Search, Dynamic Programming AskOneGetOneFree | NOI 2015 | Interactive | 18 |
weightedguess | N/A | ⓘTags: Dynamic Programming Weighted Guess | Educational Round 10 (Goodbye cstuart and kai824) (cstuart) | Interactive | 18 |
minimetro | N/A | ⓘTags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Minimetro | HCI December Course Selection 2021 (huangqr) | Batch | 18 |
paint_apio | N/A | ⓘTags: Adhoc, Line Sweep/Sliding Window, Square Root Decomposition paint_apio | APIO 2020 | Interactive | 18 |
routes | N/A | ⓘTags: Adhoc, Graph Theory routes | Dunjudge Archive | Batch | 18 |
convention | N/A | ⓘTags: Binary Search, Greedy convention | USACO 2018 December Silver | Batch | 18 |
departure | N/A | ⓘTags: Data Structures, Greedy departure | NOI 2021 Qualification | Batch | 18 |
casino | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Casino Games | April Fools 2024 (ryangohca) | Interactive | 18 |
intercastellar | N/A | ⓘTags: Adhoc Intercastellar | JOI 2022 Final Round | Batch | 18 |
duckwalk | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming duckwalk | Codeforces 76F | Batch | 18 |
midas | N/A | ⓘTags: Graph Theory, Trees Midas | POI 2017 Round 3 Day 1 Q1 | Batch | 18 |
1402_2 | N/A | ⓘTags: Graph Theory, Joke 1402_2 | April Fools 2023 (blackscreen1) | Batch | 18 |
badknapsack | N/A | ⓘTags: Brute Force, Dynamic Programming badknapsack | Educational Round 3 (errorgorn) | Batch | 18 |
orangeroad | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window orangeroad | Educational Round 9 (jamessng, jamielim) | Batch | 18 |
hipercijevi | N/A | ⓘTags: Graph Theory hipercijevi | COCI 2012/2013 | Batch | 18 |
cousin | N/A | ⓘTags: Graph Theory, Trees cousin | Dunjudge Archive | Interactive | 18 |
archaeologist | N/A | ⓘTags: Adhoc archaeologist | NOI 2021 Finals | Interactive | 18 |
orchard2 | N/A | ⓘTags: Dynamic Programming orchard2 | RI NOI Selection Test 2015 | Batch | 18 |
cloudcomputing | N/A | ⓘTags: Dynamic Programming Cloud computing | CEOI 2018 | Batch | 18 |
garden_ioi05 | N/A | ⓘTags: Brute Force, Dynamic Programming Garden | IOI 2005 | Batch | 18 |
polyomino | N/A | ⓘTags: Syntax polyomino | ABC 322D | Batch | 18 |
surnames | N/A | ⓘTags: Dynamic Programming, Graph Theory, Square Root Decomposition, Trees Surnames | 2020 CNY (errorgorn) | Batch | 18 |
colourblind | N/A | ⓘTags: Graph Theory colourblind | HCI NOI Selection Retest 2020 (bensonlzl) | Interactive | 18 |
secret | N/A | ⓘTags: Divide and Conquer, Information Theory Secret | JOI Open 2014 | Interactive | 18 |
threetowers | N/A | ⓘTags: Brute Force, Greedy threetowers | POI 2015 Round 2 Day 2 Q2 | Batch | 18 |
prisoners | N/A | ⓘTags: Adhoc, Graph Theory, Information Theory prisoners | APIO 2014 Mock Contest | Communication | 17 |
boxes2 | N/A | ⓘTags: Data Structures, Dynamic Programming Boxes | December Course 2023 Advanced Final Contest (Tyx2019) | Batch | 17 |
youngmaids | N/A | ⓘTags: Data Structures youngmaids | Dunjudge Archive | Batch | 17 |
add1_easy | N/A | ⓘTags: Joke Add 1 (Easy) | April Fools 2024 (ryangohca) | Batch | 17 |
seagame | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees seagame | ABC 218G | Batch | 17 |
cooperation | N/A | ⓘTags: Explicitly Excluded (from IOI), Information Theory, Joke Cooperation | April Fools 2024 (blackscreen1) | Batch | 17 |
sawmills | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming Two Sawmills | CEOI 2004 | Batch | 17 |
lightsflip | N/A | ⓘTags: Adhoc, Dynamic Programming lightsflip | Dunjudge Archive | Batch | 17 |
bichrome | N/A | ⓘTags: Graph Theory, Math, Trees bichrome | Atcoder | Batch | 17 |
istj | N/A | ⓘTags: Data Structures, Trees ISTJ | 2020 CNY, Classic Problem (0rang3, shenxy13) | Batch | 17 |
pandaski | N/A | ⓘTags: Data Structures, Dynamic Programming pandaski | NOI 2016 | Batch | 17 |
plantingpotatoes | N/A | ⓘTags: Adhoc, Binary Search Planting Potatoes | ABC 300F | Batch | 17 |
streetlamps | N/A | ⓘTags: Data Structures, Divide and Conquer Street Lamps | APIO 2019 | Batch | 17 |
maximummonogonosity | N/A | ⓘTags: Dynamic Programming maximummonogonosity | Codeforces 1859E | Batch | 17 |
bridges_apio19 | N/A | ⓘTags: Graph Theory, Square Root Decomposition Bridges | APIO 2019 | Batch | 17 |
collaboration | N/A | ⓘTags: Data Structures, Graph Theory, Trees Collaboration | December Course 2019 Advanced Final Contest (0rang3) | Interactive | 17 |
fireworks | N/A | ⓘTags: Dynamic Programming, Graph Theory, Slope Trick, Trees Fireworks | APIO 2016 | Batch | 17 |
uniquepath | N/A | ⓘTags: Graph Theory uniquepath | AGC38D | Batch | 17 |
domine | N/A | ⓘTags: Bitmask, Dynamic Programming domine | COCI 2013/2014 | Batch | 17 |
mrbeancurd | N/A | ⓘTags: Dynamic Programming mrbeancurd | HCI Be A Problem Setter (BAPS) Contest 2017 (jzh, caffeine) | Batch | 17 |
blanko | N/A | ⓘTags: Data Structures, Greedy blanko | Dunjudge Archive | Batch | 17 |
experimentexplodeexpel | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Experiment. Explode. Expel. | Dunjudge Archive | Batch | 17 |
mergers | N/A | ⓘTags: Adhoc, Data Structures, Graph Theory, Trees mergers | JOI | Batch | 16 |
radiance | N/A | ⓘTags: Square Root Decomposition radiance | RSA Fun Contest (oolimry) | Batch | 16 |
kickingshoes | N/A | ⓘTags: Data Structures, Greedy, Math Kicking Shoes | Educational Round 4 (maomao90) | Batch | 16 |
grapevine | N/A | ⓘTags: Data Structures, Divide and Conquer, Graph Theory, Trees Grapevine | NOI 2022 Finals (huajun, jeff_) | Batch | 16 |
flipthat | N/A | ⓘTags: Dynamic Programming, Math Flip That | Codeforces 1630D | Batch | 16 |
rabbitbridges | N/A | ⓘTags: Binary Search, Graph Theory Rabbit Bridges | Educational Round 5 (oolimry) | Batch | 16 |
events | N/A | ⓘTags: Data Structures, Greedy events | BOI 2022 | Batch | 16 |
badchef | N/A | ⓘTags: Graph Theory Bad Chef | NUS CS3233 2020 (Kattis) | Batch | 16 |
pandanumbers | N/A | ⓘTags: Data Structures, Meet in the Middle Numbers | Dunjudge Archive | Batch | 16 |
catgameshow | N/A | ⓘTags: Data Structures catgameshow | RI/RJC NOI Selection Test 2016 | Batch | 16 |
findinggf | N/A | ⓘTags: Dynamic Programming findinggf | Luogu P1509 | Batch | 16 |
robotonring1 | N/A | ⓘTags: Brute Force, Syntax Robot on Ring 1 | Classic Problem (oolimry) | Batch | 16 |
xortree | N/A | ⓘTags: Data Structures xortree | Classic Problem (errorgorn) | Batch | 16 |
schedule | N/A | ⓘTags: Dynamic Programming, Graph Theory schedule | HCI NOI Selection Test 2014 | Batch | 16 |
numberspiral | N/A | ⓘTags: Syntax Number Spiral | CSES | Batch | 16 |
math | N/A | ⓘTags: Brute Force, Math Primes Up | April Fools Contest 2020 (shenxy13) | Batch | 16 |
more_lca2 | N/A | ⓘTags: Graph Theory, Trees More LCA 2 | Educational Round 10 (Goodbye cstuart and kai824) (cstuart) | Interactive | 16 |
toblerone | N/A | ⓘTags: Brute Force, Dynamic Programming, Greedy toblerone | HCI Mock NOI 2015 | Batch | 16 |
add1 | N/A | ⓘTags: Adhoc, Data Structures, Explicitly Excluded (from IOI), Joke, Math Add 1 | April Fools 2024 (ryangohca) | Batch | 16 |
nprime2 | N/A | ⓘTags: Joke Funny Prime | April Fools 2024 (errorgorn, oolimry) | Batch | 16 |
roadtrip | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Road Trip | Classic Problem | Batch | 16 |
inequality2 | N/A | ⓘTags: Adhoc, Constructive Algorithms inequality2 | Dec Course 2021 BAPS (zaneyu) | Batch | 16 |
destroy | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Destroy | RI-HCI NOI Selection Test 2019 | Batch | 16 |
palindromicfever | N/A | ⓘTags: Dynamic Programming, Math Palindromic Fever | ANDSS Welcome 2023 (Day 2) (shoryu386) | Batch | 16 |
cyberland_apio23 | N/A | ⓘTags: Graph Theory Cyberland | APIO 2023 | Interactive | 16 |
sudoku2 | N/A | ⓘTags: Syntax sudoku2 | ABC327C | Batch | 16 |
makemst | N/A | ⓘTags: Graph Theory, Math makemst | Codeforces 1088F | Batch | 16 |
duels | N/A | ⓘTags: Adhoc, Data Structures duels | Educational Round 9 (maomao90, jamessng) | Batch | 16 |
excombo | N/A | ⓘTags: Dynamic Programming, Greedy EX Combo | RSA Fun Contest (oolimry) | Batch | 16 |
trashinteractive | N/A | ⓘTags: Binary Search, Information Theory, Joke Trash Interactive | April Fools 2024 (TheRaptor) | Interactive | 16 |
seedflare | N/A | ⓘTags: Information Theory Seed Flare | SGP Sparring 2021 (lovemathboy) | Interactive | 16 |
selfpermutation | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming selfpermutation | TOKI KSN Day 2 | Batch | 16 |
tickets | N/A | ⓘTags: Adhoc, Data Structures Carnival Tickets | IOI 2020 | Interactive | 15 |
mountainrange | N/A | ⓘTags: Data Structures, Greedy mountainrange | Codeforces 935F | Batch | 15 |
parade_nyoi | N/A | ⓘTags: Adhoc parade_nyoi | NYOI 2024 Practice Round (Shadow1) | Batch | 15 |
compleecode | N/A | ⓘTags: Joke Complee Code | Codebreaker Fundraiser Contest 2024 (oolimry) | Batch | 15 |
segmenttree3 | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window segmenttree3 | Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn, oolimry) | Batch | 15 |
mulgogi | N/A | ⓘTags: Data Structures Mulgogi | Codeforces 817F | Batch | 15 |
royalguards | N/A | ⓘTags: Data Structures, Dynamic Programming royalguards | AMOS OI 2022 (buffed) (shoryu386) | Batch | 15 |
sculptures_apio15 | N/A | ⓘTags: Bitmask, Dynamic Programming Bali Sculptures | APIO 2015 | Batch | 15 |
fabric | N/A | ⓘTags: Data Structures, Dynamic Programming fabric | NOI 2016 | Batch | 15 |
bossbattle | N/A | ⓘTags: Brute Force, Data Structures Boss Battle | Classic Problem in China | Batch | 15 |
trapezes | N/A | ⓘTags: Binary Search, Brute Force Trapezes | DDC23 Final (oolimry) | Batch | 15 |
guessproblem2 | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Guess Problem 2 | April Fools 2023 (ryangohca) | Batch | 15 |
movingboxes | N/A | ⓘTags: Data Structures, Greedy movingboxes | Codeforces 1030F | Batch | 15 |
selfdefence | N/A | ⓘTags: Dynamic Programming Self Defence | TOKI KSN Day 1 | Batch | 15 |
segmentoperations | N/A | ⓘTags: Data Structures, Dynamic Programming, Math Segment Operations | Codeforces 1743F | Batch | 15 |
rabbitlineup | N/A | ⓘTags: Divide and Conquer, Dynamic Programming rabbitlineup | Codeforces 1105C (Buffed) | Batch | 15 |
christmastree | N/A | ⓘTags: Graph Theory, Trees Christmas Tree | Educational Round 2 (errorgorn, oolimry) | Batch | 15 |
snukethewizard | N/A | ⓘTags: Adhoc, Binary Search snukethewizard | AtCoder | Batch | 15 |
hacker | N/A | ⓘTags: Data Structures, Greedy, Line Sweep/Sliding Window hacker | BOI 2015 | Batch | 15 |
valley | N/A | ⓘTags: Divide and Conquer, Graph Theory, Trees Alpine valley | BOI 2019 Day 1 | Batch | 15 |
smokeflower | N/A | ⓘTags: Data Structures, Divide and Conquer, Line Sweep/Sliding Window smokeflower | Classic Problem | Batch | 15 |
stations | N/A | ⓘTags: Graph Theory, Information Theory, Trees Stations | IOI 2020 (Day 2) | Communication | 15 |
datacenters | N/A | ⓘTags: Adhoc Data Centers | EGOI 2022 Day 2 | Batch | 15 |
ragingthunder | N/A | ⓘTags: Data Structures Raging Thunder | Codeforces | Batch | 15 |
stoningame | N/A | ⓘTags: Math stoningame | Valentine's Day Contest 2022 (maomao90) | Batch | 15 |
ponteng | N/A | ⓘTags: Math, Square Root Decomposition Ponteng | 2019 IOI Problem Setter Contest | Batch | 15 |
bracketflip | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window, Math bracketflip | Dec Course 2020 BAPS (pavement) | Batch | 15 |
garden_ioi08 | N/A | ⓘTags: Dynamic Programming Linear Garden | IOI 2008 | Batch | 15 |
passwords | N/A | ⓘTags: Graph Theory passwords | Dunjudge Archive | Batch | 15 |
cashmoney | N/A | ⓘTags: Math Cash Money | 2020 CNY | Batch | 14 |
visitinggf | N/A | ⓘTags: Dynamic Programming visitinggf | Luogu P5322 | Batch | 14 |
chimera | N/A | ⓘTags: Binary Search, Line Sweep/Sliding Window chimera | AOI 2024 Day 1 (shoryu386) | Interactive | 14 |
pekora | N/A | ⓘTags: Greedy Pekora and Trampoline | Educational Round 8 (Goodbye oolimry) (oolimry) | Batch | 14 |
rockclimbing | N/A | ⓘTags: Graph Theory rockclimbing | NOI 2016 | Batch | 14 |
zoo | N/A | ⓘTags: Dynamic Programming Zoo | ABC 228H | Batch | 14 |
rainbowfish | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Rainbow Fish | Mock APIO 2015 | Batch | 14 |
medianontree | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Median on Tree | EOI 2023 Day 2 | Batch | 14 |
warp2 | N/A | ⓘTags: Graph Theory warp2 | HCI November Final Contest 2024 (TheRaptor) | Batch | 14 |
aesthetic | N/A | ⓘTags: Binary Search, Data Structures, Graph Theory aesthetic | NOI 2020 Finals (jeff_) | Batch | 14 |
motest3 | N/A | ⓘTags: Joke, Math MOtest3 | April Fools 2024 (Tyx2019, eulerleonhardfan, dacashew) | Batch | 14 |
sumo | N/A | ⓘTags: Binary Search, Graph Theory sumo | COCI 2013/2014 | Batch | 14 |
joke | N/A | ⓘTags: Graph Theory Joke | Dec Trg 2019 (Elementary) | Batch | 14 |
threetwentyoneam | N/A | ⓘTags: Dynamic Programming threetwentyoneam | AOI 2023 Day 1 (shoryu386) | Batch | 14 |
edgeflip | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Edge Flipping | Educational Round 4 (jamessng) | Batch | 14 |
animaleditor | N/A | ⓘTags: Data Structures animaleditor | MCO | Batch | 14 |
specialmultiset | N/A | ⓘTags: Data Structures specialmultiset | Codeforces 981G | Batch | 14 |
friendlyrooks | N/A | ⓘTags: Brute Force, Greedy Friendly Rooks | 2022 December Course Diagnostic Test (errorgorn) | Batch | 14 |
treasurehunt | N/A | ⓘTags: Data Structures treasurehunt | HCI EC³ Beginner Contest 2024 (bz) | Batch | 14 |
straight | N/A | ⓘTags: Bitmask, Dynamic Programming Pure Straight | ARC 126 | Batch | 14 |
streets | N/A | ⓘTags: Data Structures, Graph Theory, Trees One-Way Streets | CEOI 2017 | Batch | 14 |
shuffling | N/A | ⓘTags: Dynamic Programming Shuffling | ARC 065D | Batch | 14 |
efficientdelivery | N/A | ⓘTags: Adhoc, Brute Force efficientdelivery | UWCOI 2021 | Batch | 14 |
hotelhunt_ex | N/A | ⓘTags: Adhoc Hotel Hunt | CPIC 2024 Final Contest (PlayVoltz, Pan) | Batch | 14 |
semiconnected | N/A | ⓘTags: Graph Theory semiconnected | Dunjudge Archive | Batch | 14 |
rbpoints | N/A | ⓘTags: Data Structures, Greedy rbpoints | ABC 091C | Batch | 14 |
givinggifts | N/A | ⓘTags: Syntax Giving Gifts | Classic Problem (oolimry) | Batch | 14 |
portals | N/A | ⓘTags: Data Structures, Graph Theory portals | USACO 2021 US Open, Gold | Batch | 13 |
aliens_ioi | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming Aliens | IOI 2016 | Interactive | 13 |
thanossort | N/A | ⓘTags: Adhoc, Divide and Conquer thanossort | RSA Fun Contest (errorgorn) | Interactive | 13 |
spiderweb | N/A | ⓘTags: Dynamic Programming, Graph Theory spiderweb | Dunjudge Archive | Batch | 13 |
mobitel | N/A | ⓘTags: Dynamic Programming, Square Root Decomposition Mobitel | COCI 2018/2019 | Batch | 13 |
compact | N/A | ⓘTags: Data Structures, Dynamic Programming compact | Dunjudge Archive | Batch | 13 |
bizarrebuffet | N/A | ⓘTags: Adhoc, Dynamic Programming bizarrebuffet | CPIC 2024 Final Contest (PlayVoltz, Hijackedsoul) | Batch | 13 |
magick | N/A | ⓘTags: Adhoc, Information Theory, Math Magick | RI-HCI NOI Selection Test 2019 | Communication | 13 |
guessproblem3 | N/A | ⓘTags: Joke Guess Problem 3 | April Fools 2023 (ecxx) | Batch | 13 |
books | N/A | ⓘTags: Graph Theory, Greedy Ancient Books | IOI 2017 | Interactive | 13 |
ballsofbuma | N/A | ⓘTags: Adhoc Balls of Buma | Dunjudge Archive | Batch | 13 |
attention | N/A | ⓘTags: Bitmask, Dynamic Programming Attention | Codeforces Beta Round 11D | Batch | 13 |
biscuits | N/A | ⓘTags: Dynamic Programming, Math Packing Biscuits | IOI 2020 (Day 2) | Interactive | 13 |
trains_mco | N/A | ⓘTags: Graph Theory, Greedy trains_mco | MCO 2015 | Batch | 13 |
digitsum | N/A | ⓘTags: Dynamic Programming digitsum | UOJ Easy Round #4 | Batch | 13 |
imagination | N/A | ⓘTags: Joke Imagination | Codebreaker Fundraiser Contest 2024 (oolimry, ryangohca) | Batch | 13 |
thunderstorm | N/A | ⓘTags: Data Structures, Greedy Thunderstorm | Dec Trg 2019 (Elementary) | Batch | 13 |
wiring | N/A | ⓘTags: Adhoc, Constructive Algorithms, Greedy Fix Wiring | Polish Collegiate Programming Contest 2021 | Batch | 13 |
pressstart | N/A | ⓘTags: Data Structures, Graph Theory Press Start! | HCI-RI 2020 May Contest (bensonlzl) | Batch | 13 |
voting | N/A | ⓘTags: Data Structures, Greedy Voting | Dunjudge Archive | Batch | 13 |
countinghaybales | N/A | ⓘTags: Dynamic Programming countinghaybales | USACO 2022 Jan, Platinum | Batch | 13 |
hld2 | N/A | ⓘTags: Data Structures, Graph Theory, Trees hld2 | LOJ P3532 | Batch | 13 |
personalspace | N/A | ⓘTags: Binary Search, Dynamic Programming, Line Sweep/Sliding Window personalspace | December Course 2018 Elementary Final Contest | Batch | 13 |
simplemath2 | N/A | ⓘTags: Math simplemath2 | ARC 111 | Batch | 13 |
graph | N/A | ⓘTags: Graph Theory, Greedy, Trees graph | Dunjudge Archive | Batch | 13 |
subwaytrip | N/A | ⓘTags: Graph Theory subwaytrip | Dunjudge Archive | Batch | 13 |
arraygraph | N/A | ⓘTags: Joke, Syntax arraygraph | funny (PlayVoltz) | Batch | 13 |
escape | N/A | ⓘTags: Bitmask, Brute Force, Graph Theory Escape | UWCOI 2020 (socho, astoria, kimbj0709) | Batch | 12 |
packingpests | N/A | ⓘTags: Data Structures, Dynamic Programming packingpests | Kattis | Batch | 12 |
werewolf | N/A | ⓘTags: Data Structures, Graph Theory, Trees Werewolf | IOI 2018 | Interactive | 12 |
robot | N/A | ⓘTags: Data Structures Robots | Educational Round 8 (Goodbye oolimry) (oolimry) | Batch | 12 |
sequences | N/A | ⓘTags: Joke Sequences | April Fools 2024 (siewjh) | Batch | 12 |
sortingtrainers2 | N/A | ⓘTags: Binary Search, Greedy sortingtrainers2 | HCI EC³ Beginner Contest 2024 (blackscreen1, Tyx2019) | Batch | 12 |
1111galpassword | N/A | ⓘTags: Dynamic Programming Good Potatoes | ABC 242 | Batch | 12 |
buildings | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window Buildings | Dunjudge Archive | Batch | 12 |
selfstudy | N/A | ⓘTags: Binary Search, Greedy Self Study | JOI 2022 Final Round | Batch | 12 |
markinghouses | N/A | ⓘTags: Bitmask, Dynamic Programming Marking Houses | RI-HCI Final Contest 2022 | Batch | 12 |
lppufdsrb | N/A | ⓘTags: Data Structures, Graph Theory, Square Root Decomposition Lazy Propagation Persistent Union Find Disjoint Set with Rollbacks | Educational Round 4 (jamessng, errorgorn) | Batch | 12 |
treasures | N/A | ⓘTags: Graph Theory Stolen Treasures | Dunjudge Archive | Batch | 12 |
roads | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Road Closures | APIO 2021 | Interactive | 12 |
cardgame | N/A | ⓘTags: Data Structures, Dynamic Programming cardgame | Dunjudge Archive | Batch | 12 |
spiraldance | N/A | ⓘTags: Adhoc, Math Estelle’s Spiral Dance | RI-HCI NOI Selection Test 2018 | Batch | 12 |
robot2 | N/A | ⓘTags: Adhoc, Binary Search, Line Sweep/Sliding Window robot2 | Dunjudge Archive | Batch | 12 |
banks | N/A | ⓘTags: Graph Theory Banks | IOI 2020 Practice Session | Batch | 12 |
notebook | N/A | ⓘTags: Graph Theory notebook | Dunjudge Archive | Batch | 12 |
humantrafficking | N/A | ⓘTags: Graph Theory Human Trafficking | Italian Informatics Olympiad | Batch | 12 |
fire | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window fire | JOI 2020 Final Round | Batch | 12 |
bitaro | N/A | ⓘTags: Dynamic Programming, Graph Theory, Square Root Decomposition Bitaro's Party | JOI 2017/2018 Spring Camp | Batch | 12 |
pandasoldiers | N/A | ⓘTags: Adhoc, Data Structures Soldiers | Dunjudge Archive | Batch | 12 |
snakecode | N/A | ⓘTags: Dynamic Programming snakecode | Dunjudge Archive | Interactive | 12 |
parallelogrampairs | N/A | ⓘTags: Binary Search, Greedy parallelogrampairs | VS mini contest (Kiameimon) | Batch | 12 |
fibble | N/A | ⓘTags: Joke Fibble | April Fools 2024 (ryangohca) | Interactive | 12 |
whatisthisactf | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke What is this, a CTF? | April Fools 2023 (tux) | Interactive | 12 |
infinitezoo | N/A | ⓘTags: Bitmask, Graph Theory, Greedy, Math Zookeeper and The Infinite Zoo | Codeforces Global Round 13 (errorgorn) | Batch | 12 |
ohbabyntriples | N/A | ⓘTags: Binary Search, Data Structures, Greedy Oh Baby, n Triples! | IOI 2020 Practice Session | Batch | 12 |
parallelogramfest | N/A | ⓘTags: Dynamic Programming parallelogramfest | HCI EC³ Beginner Contest (Tyx2019) | Batch | 12 |
unitedcows | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window United Cows | USACO 2021 Open, Gold | Batch | 12 |
copyandpaste | N/A | ⓘTags: Greedy Copy And Paste | Codeforces 1688F | Batch | 12 |
boxinbox | N/A | ⓘTags: Data Structures Box in Box | ABC 309 | Batch | 12 |
inequality3 | N/A | ⓘTags: Data Structures Social Inequality | TOKI Open 2014 | Batch | 12 |
crab | N/A | ⓘTags: Bitmask, Dynamic Programming Crab | NUSH NOI Selection Test 2018 | Batch | 12 |
catalansum | N/A | ⓘTags: Explicitly Excluded (from IOI), Math catalansum (EE) | Educational Round 3 (errorgorn, oolimry) | Batch | 12 |
globalwarming_ex | N/A | ⓘTags: Data Structures, Graph Theory globalwarming_ex | Dunjudge Archive | Batch | 12 |
holdinghands | N/A | ⓘTags: Graph Theory, Trees holdinghands | Dec Course 2020 BAPS (jiahng) | Batch | 12 |
galaxycollapse | N/A | ⓘTags: Graph Theory galaxycollapse | AOI 2023 Day 2 (shoryu386) | Batch | 12 |
osumnjiceni | N/A | ⓘTags: Data Structures, Greedy, Trees Osumnjičeni | COCI 2021/2022 | Batch | 11 |
catsort | N/A | ⓘTags: Greedy catsort | NAOI 2024 (PlayVoltz) | Batch | 11 |
dzumbus | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Džumbus | COCI 2019/2020 | Batch | 11 |
harbingers | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees harbingers | CEOI 2009 | Batch | 11 |
duathlon | N/A | ⓘTags: Graph Theory, Trees Duathlon | APIO 2018 | Batch | 11 |
grazing | N/A | ⓘTags: Bitmask, Brute Force, Graph Theory grazing | USACO Bronze Jan 2012 | Batch | 11 |
funnytree | N/A | ⓘTags: Graph Theory, Trees Funny Tree (Extreme Version) | RuCode 2020 Div A (Extreme Version) (0rang3, rs) | Batch | 11 |
thanossort_st4 | N/A | ⓘTags: Adhoc, Divide and Conquer, Explicitly Excluded (from IOI) thanossort_st4 | RSA Fun Contest (errorgorn) | Interactive | 11 |
climatechange | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming climatechange | Dunjudge Archive | Batch | 11 |
pastiri | N/A | ⓘTags: Graph Theory, Greedy, Trees pastiri | COI 2019/2020 | Batch | 11 |
doll | N/A | ⓘTags: Adhoc, Constructive Algorithms Mechanical Doll | IOI 2018 | Interactive | 11 |
shopping | N/A | ⓘTags: Dynamic Programming Shopping | Dunjudge Archive | Batch | 11 |
souvenirs | N/A | ⓘTags: Data Structures souvenirs | Codeforces 765F | Batch | 11 |
rabbitplane | N/A | ⓘTags: Binary Search, Greedy rabbitplane | RI Problem Setter Contest 2019 (bensonlzl) | Batch | 11 |
split2 | N/A | ⓘTags: Graph Theory, Greedy, Trees Split | December Course 2018 Elementary Final Contest | Batch | 11 |
examstress2 | N/A | ⓘTags: Joke Exam Stress 2 | Exam Stress (JustKitkat) | Batch | 11 |
circuit | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Digital Circuit | IOI 2022 (Day 2) | Interactive | 11 |
inequality | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming, Line Sweep/Sliding Window inequality | RI-HCI NOI Selection Test 2020 (0rang3) | Batch | 11 |
network2 | N/A | ⓘTags: Data Structures, Graph Theory, Trees network | Dunjudge Archive | Batch | 11 |
alphabrackets | N/A | ⓘTags: Data Structures, Dynamic Programming alphabrackets | Dec Course Final Contest 2017 | Batch | 11 |
coolinteractive | N/A | ⓘTags: Adhoc Cool Interactive | Educational Round 8 (Goodbye oolimry) (errorgorn) | Interactive | 11 |
hop | N/A | ⓘTags: Math hop | COCI 2020/2021 Contest #4 Problem 3 | Batch | 11 |
wikipedia | N/A | ⓘTags: Graph Theory Wikipedia Articles | RI November Course 2024 Diagnostic Test (wangy412, Potato3218) | Batch | 11 |
trekking | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory Jungle Trekking | HCI NOI Selection Test 2017 | Batch | 11 |
wabot2 | N/A | ⓘTags: Constructive Algorithms, Data Structures, Greedy wabot2 | ASEAN Sparring 2022 (bensonlzl) | Batch | 11 |
graphoverflow | N/A | ⓘTags: Graph Theory, Math graphoverflow | RI Deccourse 2018 Selection Test (jerryhanjt) | Batch | 11 |
funnysequence | N/A | ⓘTags: Binary Search Potato Sequence | RI November Course 2024 Final Contest (bribritt) | Interactive | 11 |
citymapping | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Information Theory, Trees CityMapping | NOI 2018 (pwypeanut) | Interactive | 11 |
morepaths | N/A | ⓘTags: Dynamic Programming morepaths | Dunjudge Archive | Batch | 11 |
servers | N/A | ⓘTags: Data Structures, Divide and Conquer, Graph Theory, Trees Inside information | BOI 2021 | Batch | 11 |
airline | N/A | ⓘTags: Graph Theory, Information Theory airline | JOISC 2018, Day 3 | Communication | 11 |
chemistry | N/A | ⓘTags: Dynamic Programming, Joke chemistry | April Fools Contest 2020 (0rang3) | Batch | 10 |
flooding | N/A | ⓘTags: Graph Theory flooding | Dunjudge Archive | Batch | 10 |
soos | N/A | ⓘTags: Graph Theory, Joke, Math soos | April Fools 2023 (hmm) | Batch | 10 |
merchant2 | N/A | ⓘTags: Greedy merchant2 | ABC 047D | Batch | 10 |
sale | N/A | ⓘTags: Data Structures, Greedy sale | Dunjudge Archive | Batch | 10 |
greatmerge | N/A | ⓘTags: Data Structures, Graph Theory, Trees greatmerge | LOJ #2230 | Batch | 10 |
pokemonmaster | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Square Root Decomposition, Trees I want to be the very best too! | NOI 2017 | Batch | 10 |
multiple | N/A | ⓘTags: Graph Theory multiple | Dunjudge Archive | Batch | 10 |
sumalllis | N/A | ⓘTags: Bitmask, Dynamic Programming, Joke Sum All LIS | Luogu P4484 (modified) (zaneyu) | Batch | 10 |
dinnerbox | N/A | ⓘTags: Dynamic Programming, Greedy Jianzhi’s Dinner Box | RI NOI Selection Test 2017 | Batch | 10 |
trivialexam_ex | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke trivialexam_ex | April Fools 2023 (Xiaoyang) | Batch | 10 |
tournament | N/A | ⓘTags: Graph Theory, Trees tournament | IOI 2012 | Interactive | 10 |
election_joi22 | N/A | ⓘTags: Dynamic Programming Let's Win the Election | JOI 2022 Final Round | Batch | 10 |
flood | N/A | ⓘTags: Graph Theory, Math Flood | POI 2018 Round 1 Q3 | Batch | 10 |
guards_easy | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming, Joke Guards (Easy) | IOI 2014 Practice Contest 2 (modified) (beepbeepsheep) | Batch | 10 |
NYTrainers | N/A | ⓘTags: Brute Force, Dynamic Programming Nanyang Trainers | NYOI 2024 Practice Round (Pan) | Batch | 10 |
dkdk | N/A | ⓘTags: Joke DKDK (PITAPAT) | April Fools 2024 (ryangohca) | Batch | 10 |
redistributinggifts | N/A | ⓘTags: Bitmask, Dynamic Programming redistributinggifts | USACO 2022 Feb Gold | Batch | 10 |
rooms | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees rooms | RI Mock NOI 2015 | Batch | 10 |
cardgame2 | N/A | ⓘTags: Dynamic Programming cardgame2 | Dunjudge Archive | Batch | 10 |
passes | N/A | ⓘTags: Bitmask, Brute Force, Greedy, Math passes | BOI 2022 | Batch | 10 |
closing | N/A | ⓘTags: Data Structures, Graph Theory, Greedy, Trees Closing Time | IOI 2023 (Day 1) | Interactive | 10 |
shorten | N/A | ⓘTags: Brute Force, Graph Theory, Trees shorten | AGC 001C | Batch | 10 |
alien9 | N/A | ⓘTags: Adhoc, Dynamic Programming, Math alien9 | IMO Shortlist 1996 | Batch | 10 |
ufo | N/A | ⓘTags: Dynamic Programming ufo | Dunjudge Archive | Batch | 10 |
bananaland | N/A | ⓘTags: Dynamic Programming bananaland | NUSH ISC 2018 | Batch | 10 |
kmxorm | N/A | ⓘTags: Bitmask, Math, Meet in the Middle kmxorm | ASEAN Sparring 2022 (zscoder) | Batch | 10 |
hurt | N/A | ⓘTags: Dynamic Programming Hurt | LOJ 3864 | Batch | 10 |
latex | N/A | ⓘTags: Data Structures, Dynamic Programming latex | RI Deccourse 2018 Selection Test | Batch | 10 |
kas | N/A | ⓘTags: Dynamic Programming kas | COCI 2016/2017 Round #4 | Batch | 10 |
fun | N/A | ⓘTags: Adhoc, Graph Theory, Information Theory, Joke, Trees Fun Tour | APIO 2020 | Interactive | 10 |
haiku | N/A | ⓘTags: Dynamic Programming Iroha and Haiku | AtCoder | Batch | 10 |
frisbee | N/A | ⓘTags: Data Structures, Dynamic Programming, Slope Trick Frisbee Training | 2019 IOI Problem Setter Contest (0rang3) | Batch | 10 |
judgeantibreaker | N/A | ⓘTags: Binary Search, Square Root Decomposition judgeantibreaker | Educational Round 6 (oolimry) | Batch | 10 |
ghostrule | N/A | ⓘTags: Graph Theory, Trees Ghost Rule | December Course 2023 Advanced Final Contest (AlphanumericUsername) | Batch | 10 |
wandering | N/A | ⓘTags: Data Structures, Graph Theory, Trees wandering | AGC 029 | Batch | 10 |
NYAerion | N/A | ⓘTags: Data Structures, Graph Theory, Trees Nanyang Aerion Adventures | NYOI 2024 Final Round (Pan) | Batch | 10 |
permutationswap | N/A | ⓘTags: Adhoc permutationswap | Valentine's Day Contest 2022 (maomao90) | Batch | 10 |
nutritionist | N/A | ⓘTags: Data Structures nutritionist | Dunjudge Archive | Batch | 10 |
goneviral | N/A | ⓘTags: Binary Search, Graph Theory Gone Viral | IOI 2020 Practice Session | Batch | 10 |
lamps | N/A | ⓘTags: Graph Theory Lamps | Codeforces 1290C | Batch | 10 |
friend | N/A | ⓘTags: Adhoc friend | IOI 2014 | Interactive | 10 |
log | N/A | ⓘTags: Binary Search Replanting Potatoes | Unknown Source | Batch | 9 |
christmasfiboseq | N/A | ⓘTags: Math Chirstmas Fibonacci Sequence | Educational Round 2 (errorgorn) | Batch | 9 |
rainbowroad_ex | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Rainbow Road (Extreme) | HCI-RI 2020 May Contest (modified) (errorgorn) | Batch | 9 |
qualitycontrol | N/A | ⓘTags: Graph Theory, Trees Quality Control | Educational Round 10 (Goodbye cstuart and kai824) (cstuart) | Batch | 9 |
ktupleflip | N/A | ⓘTags: Adhoc, Greedy K-tuple Flip | TROC 24 (errorgorn) | Batch | 9 |
september | N/A | ⓘTags: Graph Theory, Greedy, Trees September | APIO 2024 | Interactive | 9 |
chess | N/A | ⓘTags: Adhoc, Bitmask, Data Structures chess | NUSH ISC 2018 | Batch | 9 |
cakeslicing | N/A | ⓘTags: Dynamic Programming, Greedy cakeslicing | LOJ #6744 | Batch | 9 |
wallisstop | N/A | ⓘTags: Binary Search, Data Structures, Graph Theory Wall Is Stop | Dunjudge Archive (bensonlzl) | Batch | 9 |
sarenlist | N/A | ⓘTags: Bitmask, Brute Force, Graph Theory, Trees sarenlist | COCI 2021/2022 | Batch | 9 |
deciphering_zane_ex | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Decusohrting Znakeje: extendied c34s8hb | April Fools 2023 (ecxx, Xiaoyang, leyi) | Interactive | 9 |
doors | N/A | ⓘTags: Graph Theory Doors | Dunjudge Archive | Batch | 9 |
toxic | N/A | ⓘTags: Binary Search, Information Theory Toxic Gene | NOI 2023 Finals (bensonlzl) | Interactive | 9 |
binarystring | N/A | ⓘTags: Dynamic Programming Binary String | EOI 2023 Day 1 | Batch | 9 |
garaza | N/A | ⓘTags: Data Structures, Math garaza | COCI | Batch | 9 |
leastround | N/A | ⓘTags: Dynamic Programming leastround | Codeforces 2B | Batch | 9 |
ratar | N/A | ⓘTags: Binary Search, Brute Force, Data Structures, Dynamic Programming, Line Sweep/Sliding Window ratar | COCI 2013/2014 | Batch | 9 |
letterstamper_ex | N/A | ⓘTags: Dynamic Programming Letter Stamper (Extreme) | Google Code Jam 2010 (modified) (errorgorn, ryangohca) | Batch | 9 |
niangao | N/A | ⓘTags: Data Structures Nian Gao | 2020 CNY (errorgorn) | Batch | 9 |
multiplechoice | N/A | ⓘTags: Data Structures, Math multiplechoice | USACO 2022 Jan, Platinum | Batch | 9 |
sequence | N/A | ⓘTags: Adhoc, Greedy sequence | AtCoder | Batch | 9 |
cake3 | N/A | ⓘTags: Divide and Conquer, Dynamic Programming cake3 | JOI Spring Camp 2019 | Batch | 9 |
dominoes | N/A | ⓘTags: Binary Search, Data Structures, Square Root Decomposition dominoes | Educational Round 9 (maomao90, zaneyu) | Batch | 9 |
robotonring2 | N/A | ⓘTags: Brute Force, Syntax Robot on Ring 2 | Classic Problem (oolimry) | Batch | 9 |
iqtest4 | N/A | ⓘTags: Math iqtest4 | Valentine's Day Contest 2023 (zixuan) | Batch | 9 |
usefft1 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Use FFT 1 | Classic Problem | Batch | 9 |
paintrectangles | N/A | ⓘTags: Data Structures, Line Sweep/Sliding Window paintrectangles | Codeforces 983D | Batch | 9 |
sumzero | N/A | ⓘTags: Adhoc, Binary Search, Dynamic Programming, Graph Theory, Greedy sumzero | RMI 2020 | Batch | 9 |
evolution | N/A | ⓘTags: Graph Theory, Trees Evolution | Korean IOI Selection Day 1 | Batch | 9 |
cookie | N/A | ⓘTags: Dynamic Programming Cookie | Educational Codeforces Round 59 | Batch | 9 |
yabbitmeetup | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees yabbitmeetup | HCI NOI Selection Retest 2020 (bensonlzl) | Batch | 9 |
love | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory, Trees What is love? | Luogu P8280 | Batch | 9 |
expressways | N/A | ⓘTags: Graph Theory expressways | Dunjudge Archive | Batch | 9 |
clipboard | N/A | ⓘTags: Adhoc, Data Structures Jianzhi’s Clipboard Sorting | RI NOI Selection Test 2017 | Batch | 9 |
minerals | N/A | ⓘTags: Information Theory minerals | JOISC 2019 | Interactive | 9 |
construction | N/A | ⓘTags: Graph Theory, Trees Construction of Highway | JOI 2017/2018 Spring Camp | Batch | 9 |
candies_ioi | N/A | ⓘTags: Data Structures Distributing Candies | IOI 2021 | Interactive | 9 |
coins | N/A | ⓘTags: Information Theory Coins | IOI 2017 Practice | Communication | 9 |
keys | N/A | ⓘTags: Graph Theory, Trees Keys | IOI 2021 | Interactive | 9 |
fish | N/A | ⓘTags: Data Structures, Dynamic Programming Catfish Farm | IOI 2022 (Day 1) (oolimry) | Interactive | 9 |
robberduck | N/A | ⓘTags: Binary Search, Line Sweep/Sliding Window robberduck | VS mini contest (penguin133) | Batch | 8 |
vault | N/A | ⓘTags: Dynamic Programming, Greedy vault | BOI 2022 | Batch | 8 |
elephants | N/A | ⓘTags: Binary Search, Square Root Decomposition Elephants | IOI 2011 | Interactive | 8 |
cross | N/A | ⓘTags: Dynamic Programming Cross | Dunjudge Archive | Batch | 8 |
cringemeter | N/A | ⓘTags: Greedy Cringe Meter | Codeforces 1844F | Batch | 8 |
changingcolours | N/A | ⓘTags: Data Structures, Dynamic Programming changingcolours | RI Problem Setter Contest 2019 (rs) | Batch | 8 |
trianglesum | N/A | ⓘTags: Brute Force, Dynamic Programming trianglesum | NOI 2010 Selection Test | Batch | 8 |
tokitsukazeandexplosion | N/A | ⓘTags: Binary Search, Greedy tokitsukazeandexplosion | Codeforces 1190E | Batch | 8 |
taxes | N/A | ⓘTags: Data Structures, Dynamic Programming, Square Root Decomposition taxes | December Course 2018 Advanced Final Contest, ROI 2018 Day 1 | Batch | 8 |
treepainting | N/A | ⓘTags: Data Structures, Graph Theory, Trees treepainting | LOJ #2001 | Batch | 8 |
familytree | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Penguin's Adventures | Codeforces 671D | Batch | 8 |
holeetree | N/A | ⓘTags: Explicitly Excluded (from IOI) \( H^{o^{L^{e^e_e}_{e^e_e}}_{L^{e^e_e}_{ e^e_e}}}_{o^{L^{e^e_e}_{ e^e_e}}_{L^{e^e_e}_{e^e_e}}} \) 🎄 | Hello 2022 (errorgorn) | Batch | 8 |
boxes | N/A | ⓘTags: Dynamic Programming, Greedy Boxes with souvenirs | IOI 2015 | Interactive | 8 |
izbori | N/A | ⓘTags: Adhoc, Data Structures, Math izbori | COCI 2021/2022 | Batch | 8 |
queuestack | N/A | ⓘTags: Adhoc, Data Structures Queuestack | Educational Round 10 (Goodbye cstuart and kai824) (lida, oolimry, cstuart) | Batch | 8 |
industriouslibrarian | N/A | ⓘTags: Data Structures industriouslibrarian | LOJ #2639 | Batch | 8 |
hackthectf | N/A | ⓘTags: Binary Search, Greedy hackthectf | HCI EC³ Beginner Contest (blackscreen1, shoryu386) | Batch | 8 |
boomerangs | N/A | ⓘTags: Adhoc Bouncing Boomerangs | Codeforces Raif Round 1 (bensonlzl) | Batch | 8 |
robotonring3 | N/A | ⓘTags: Dynamic Programming Robot on Ring 3 | Classic Problem (oolimry) | Batch | 8 |
gravity | N/A | ⓘTags: Graph Theory gravity | USACO 2013 US Open, SIlver | Batch | 8 |
rainbow | N/A | ⓘTags: Data Structures, Graph Theory, Math Land of the Rainbow Gold | APIO 2017 | Interactive | 8 |
cactus | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees cactus | LOJ #2250 | Batch | 8 |
decrypt | N/A | ⓘTags: Greedy decrypt | HCI (HS) 2024 Contest 1 (Tyx2019, AlphanumericUsername) | Batch | 8 |
ispit | N/A | ⓘTags: Adhoc ispit | COCI 2018/2019 | Batch | 8 |
colouring | N/A | ⓘTags: Graph Theory colouring | AGC 012B | Batch | 8 |
switches2 | N/A | ⓘTags: Dynamic Programming, Math switches2 | Educational Round 7 (errorgorn) | Batch | 8 |
fibotree | N/A | ⓘTags: Data Structures, Explicitly Excluded (from IOI), Math fibotree | Bubble Cup 14 (modified) | Batch | 8 |
rushing | N/A | ⓘTags: Brute Force, Graph Theory Rushing | DDC23 Final (oolimry) | Batch | 8 |
corporate | N/A | ⓘTags: Data Structures, Divide and Conquer Corporate | IOI 2020 Practice Session | Batch | 8 |
quality | N/A | ⓘTags: Binary Search, Dynamic Programming Quality of Living | IOI 2010 | Interactive | 8 |
sortedandsorted | N/A | ⓘTags: Data Structures, Dynamic Programming sortedandsorted | ARC 097 | Batch | 8 |
lctocd | N/A | ⓘTags: Brute Force, Data Structures, Divide and Conquer, Graph Theory, Greedy, Trees LCT OCD | Atcoder Nikkei Finals 2019 | Batch | 8 |
workload2 | N/A | ⓘTags: Square Root Decomposition Workload 2 | Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn) | Batch | 8 |
legowall | N/A | ⓘTags: Dynamic Programming, Math Lego Wall | EGOI 2022 Day 1 | Batch | 8 |
indextimesa | N/A | ⓘTags: Dynamic Programming Index x A | ABC 267 | Batch | 8 |
choose2eat1 | N/A | ⓘTags: Graph Theory, Trees choose2eat1 | ABC 282 | Batch | 8 |
christmaswall | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Christmas Wall | Educational Round 2 (maomao90) | Batch | 8 |
sandwich | N/A | ⓘTags: Divide and Conquer Sandwich | HCI-NUSH NOI Selection 2022 (errorgorn, oolimry, yanhao) | Batch | 8 |
relutree | N/A | ⓘTags: Data Structures relutree | Classic Problem (errorgorn) | Batch | 8 |
clockpalindrome | N/A | ⓘTags: Adhoc, Dynamic Programming clockpalindrome | December Course 2019 Advanced Final Contest | Batch | 8 |
tomandjerry | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Tom & Jerry | Codechef | Batch | 8 |
rabbitradar | N/A | ⓘTags: Data Structures, Dynamic Programming rabbitradar | Dunjudge Archive (bensonlzl) | Batch | 7 |
hiddenarray | N/A | ⓘTags: Joke, Math Hidden Array | April Fools 2023 (ecxx) | Batch | 7 |
killanton | N/A | ⓘTags: Brute Force, Greedy Kill Anton | Codeforces Round 723 (errorgorn) | Batch | 7 |
photo_nyoi | N/A | ⓘTags: Greedy Nanyang Phototaking | NYOI 2024 Practice Round (Pan) | Batch | 7 |
rarkids | N/A | ⓘTags: Constructive Algorithms, Math rarkids | IOI Sparring 2018 SGP | Interactive | 7 |
4cuts | N/A | ⓘTags: Adhoc, Brute Force 4cuts | Dunjudge Archive | Batch | 7 |
restoreroad | N/A | ⓘTags: Graph Theory Restore Road | ABC 074D | Batch | 7 |
touchinggrass | N/A | ⓘTags: Data Structures, Divide and Conquer, Graph Theory, Trees Touching Grass | Luogu P6329 | Batch | 7 |
zamjena | N/A | ⓘTags: Graph Theory zamjena | COCI 2018/2019 | Batch | 7 |
learningtrack | N/A | ⓘTags: Divide and Conquer learningtrack | LOJ #2773 | Batch | 7 |
showertheduck | N/A | ⓘTags: Dynamic Programming Shower the Duck | DDC23 Final (oolimry) | Batch | 7 |
styles | N/A | ⓘTags: Binary Search, Data Structures, Dynamic Programming Styles | IOI 2020 Practice Session | Batch | 7 |
bunchlocks | N/A | ⓘTags: Graph Theory bunchlocks | Dunjudge Archive | Batch | 7 |
messy | N/A | ⓘTags: Binary Search Unscrambling a Messy Bug | IOI 2016 | Interactive | 7 |
sillysort | N/A | ⓘTags: Math sillysort | info(1) cup 2019 (modified) (errorgorn) | Batch | 7 |
luckynumbers | N/A | ⓘTags: Adhoc, Dynamic Programming Lucky Numbers | Educational Round 8 (Goodbye oolimry) (oolimry) | Batch | 7 |
dungeons2 | N/A | ⓘTags: Binary Search, Data Structures dungeons2 | AGM 2021, Final Round, Day 2 | Batch | 7 |
goodsubsegments | N/A | ⓘTags: Data Structures goodsubsegments | Codeforces Round #493 (Div. 1) | Batch | 7 |
fsylll | N/A | ⓘTags: Dynamic Programming, Explicitly Excluded (from IOI), Math fsylll | SG IO Course Final Contest (zaneyu) | Batch | 7 |
fencing2 | N/A | ⓘTags: Data Structures fencing2 | RI-HCI December Course Selection 2020 (errorgorn) | Batch | 7 |
sequence_apio23 | N/A | ⓘTags: Binary Search, Data Structures, Line Sweep/Sliding Window, Math Sequence | APIO 2023 | Interactive | 7 |
UCFJ | N/A | ⓘTags: Data Structures UCFJ | USACO 2021 US Open, Platinum | Batch | 7 |
flyingsquirrel | N/A | ⓘTags: Data Structures, Dynamic Programming, Greedy, Slope Trick Flying Squirrel | Korean IOI Selection Day 1 | Batch | 7 |
timeleap | N/A | ⓘTags: Data Structures timeleap | JOI | Batch | 7 |
gizmoguy | N/A | ⓘTags: Slope Trick Gizmo Guy | IOI 2020 Practice Session | Batch | 7 |
vision | N/A | ⓘTags: Adhoc, Constructive Algorithms, Information Theory Vision Program | IOI 2019 | Interactive | 7 |
semafor | N/A | ⓘTags: Explicitly Excluded (from IOI), Graph Theory, Math semafor | COI 2020 | Batch | 7 |
alice | N/A | ⓘTags: Graph Theory, Information Theory Alice | IMO Shortlist 2019 | Interactive | 7 |
collectingstamps3 | N/A | ⓘTags: Dynamic Programming collectingstamps3 | JOI 2020 Final Round | Batch | 6 |
removemq | N/A | ⓘTags: Brute Force, Data Structures, Greedy removemq | ARC 098E | Batch | 6 |
islands2 | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Islands | IOI 2008 | Batch | 6 |
newhome | N/A | ⓘTags: Divide and Conquer, Slope Trick New Home | APIO 2018 | Batch | 6 |
nuskevsphantom | N/A | ⓘTags: Graph Theory, Trees Nuske vs Phantom Thnook | AGC 015C | Batch | 6 |
kronican | N/A | ⓘTags: Bitmask, Dynamic Programming kronican | COCI 2016/2017 | Batch | 6 |
cheaters | N/A | ⓘTags: Explicitly Excluded (from IOI), Math cheaters | Educational Round 3 (errorgorn) | Batch | 6 |
prefixsums2 | N/A | ⓘTags: Math Prefix Sums 2 | Educational Round 10 (Goodbye cstuart and kai824) (errorgorn) | Batch | 6 |
mononono | N/A | ⓘTags: Adhoc Mononono Stack | December Course 2023 Advanced Final Contest (TheRaptor) | Batch | 6 |
delegation | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees Delegation | USACO 2020 Feb, Gold | Batch | 6 |
doodles | N/A | ⓘTags: Graph Theory, Math doodles | December Course 2019 Advanced Final Contest (rs) | Batch | 6 |
lightsout | N/A | ⓘTags: Constructive Algorithms, Dynamic Programming, Graph Theory, Trees Light's Out | Dunjudge Archive | Interactive | 6 |
marathon_usaco | N/A | ⓘTags: Data Structures Marathon | USACO 2014 Dec, Gold | Batch | 6 |
monke | N/A | ⓘTags: Math Monke | Educational Round 8 (Goodbye oolimry) (errorgorn) | Batch | 6 |
tourists | N/A | ⓘTags: Data Structures, Graph Theory, Trees Tourists | EGOI 2022 Day 1 | Batch | 6 |
colourfulpaths | N/A | ⓘTags: Dynamic Programming, Graph Theory colourfulpaths | ABC 335 | Batch | 6 |
badtone33 | N/A | ⓘTags: Binary Search, Data Structures, Graph Theory, Math badtone33 | Classic Problem (AlphanumericUsername) | Batch | 6 |
bore | N/A | ⓘTags: Brute Force Boring | Dunjudge Archive | Batch | 6 |
between2arrays | N/A | ⓘTags: Dynamic Programming Between Two Arrays | ABC 222 | Batch | 6 |
diesel | N/A | ⓘTags: Dynamic Programming, Graph Theory diesel | NOI 2013 | Batch | 6 |
canbashsavetheday | N/A | ⓘTags: Data Structures, Graph Theory, Trees canbashsavetheday | Codeforces 757G | Batch | 6 |
dynamicdiameter | N/A | ⓘTags: Graph Theory, Trees Dynamic Diameter | CEOI 2019 | Batch | 6 |
kucice | N/A | ⓘTags: Line Sweep/Sliding Window kucice | COCI 2021/2022 | Batch | 6 |
sudoku | N/A | ⓘTags: Constructive Algorithms, Greedy sudoku | NOI 2015 | Batch | 6 |
guessproblem4 | N/A | ⓘTags: Explicitly Excluded (from IOI), Joke Guess Problem 4 | April Fools 2023 (ryangohca, ecxx) | Interactive | 6 |
3dhistogram | N/A | ⓘTags: Data Structures, Divide and Conquer, Dynamic Programming 3D Histogram | COCI 2020 | Batch | 6 |
dateornot | N/A | ⓘTags: Binary Search, Information Theory Date Or Not? | Dunjudge Archive | Interactive | 6 |
newlottery | N/A | ⓘTags: Dynamic Programming New Lottery | Google Code Jam 2014 | Batch | 6 |
rookable | N/A | ⓘTags: Graph Theory Rookable | NUSH NOI Selection Test 2018 | Batch | 6 |
boat | N/A | ⓘTags: Dynamic Programming, Math Boat | APIO 2016 | Batch | 6 |
papplesort | N/A | ⓘTags: Data Structures papplesort | Dunjudge Archive | Batch | 6 |
circleselection | N/A | ⓘTags: Data Structures, Math Circle selection | APIO 2018 | Batch | 6 |
hypeboy | N/A | ⓘTags: Bitmask, Dynamic Programming Hype Boy | LOJ 3215 | Batch | 6 |
bracketcoloring | N/A | ⓘTags: Dynamic Programming bracketcoloring | Codeforces 149D | Batch | 6 |
devil | N/A | ⓘTags: Constructive Algorithms, Graph Theory The Devil's Algorithm | Hello 2022 (errorgorn) | Batch | 6 |
judgequeue | N/A | ⓘTags: Data Structures judgequeue | Dunjudge Archive | Interactive | 6 |
forensic | N/A | ⓘTags: Brute Force, Graph Theory forensic | NOI 2012 | Batch | 6 |
prison | N/A | ⓘTags: Constructive Algorithms, Divide and Conquer Prisoner Challenge | IOI 2022 (Day 1) | Interactive | 6 |
perm | N/A | ⓘTags: Constructive Algorithms Permutation | APIO 2022 | Interactive | 6 |
lottery | N/A | ⓘTags: Adhoc Lottery | CEOI 2018 | Batch | 6 |
colourwalk | N/A | ⓘTags: Graph Theory Colour Walk | RI-HCI Final Contest 2022 | Batch | 6 |
blocks | N/A | ⓘTags: Information Theory, Math Blocks | UWCOI 2020 (socho, astoria, kimbj0709) | Interactive | 6 |
cats | N/A | ⓘTags: Adhoc cats | NOI 2014 | Batch | 6 |
ples | N/A | ⓘTags: Greedy ples | COCI 2011/2012 | Batch | 6 |
rect | N/A | ⓘTags: Brute Force, Data Structures Rectangle | IOI 2019 (Day 1) | Interactive | 5 |
harmony | N/A | ⓘTags: Graph Theory harmony | Dunjudge Archive | Batch | 5 |
strangedevice2 | N/A | ⓘTags: Binary Search, Graph Theory, Information Theory, Trees strangedevice2 | Codeforces 1158E | Interactive | 5 |
NYSSW | N/A | ⓘTags: Binary Search, Data Structures Nanyang Seashell Wall (Hard) | NYOI 2024 Practice Round (Shadow1) | Batch | 5 |
birthday | N/A | ⓘTags: Explicitly Excluded (from IOI), Math birthday | RI Problem Setter Contest 2019 (syy) | Batch | 5 |
loveletter | N/A | ⓘTags: Adhoc, Math loveletter | NAOI 2024 (PlayVoltz) | Batch | 5 |
examstress2_ex | N/A | ⓘTags: Joke examstress2_ex | Exam Stress (JustKitkat) | Batch | 5 |
badnim3 | N/A | ⓘTags: Bitmask, Explicitly Excluded (from IOI), Math Bad Nim 3 (EE) | Educational Round 8 (Goodbye oolimry) (errorgorn) | Batch | 5 |
robotrotation | N/A | ⓘTags: Brute Force, Meet in the Middle Robot Rotation | Unknown Source | Batch | 5 |
superfanclub | N/A | ⓘTags: Graph Theory, Trees Estelle’s Super Fan Club | RI-HCI NOI Selection Test 2018 | Interactive | 5 |
election_joi | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Election Campaign | JOI Open 2015 | Batch | 5 |
superpozicija | N/A | ⓘTags: Constructive Algorithms, Greedy superpozicija | COI 2022 | Batch | 5 |
lost | N/A | ⓘTags: Bitmask, Information Theory Jianzhi’s Lost | RI NOI Selection Test 2017 | Interactive | 5 |
persistentlists | N/A | ⓘTags: Binary Search, Data Structures, Square Root Decomposition Persistent Lists | Educational Round 6 (oolimry) | Batch | 5 |
bananadance | N/A | ⓘTags: Math bananadance | Dunjudge Archive | Batch | 5 |
switches | N/A | ⓘTags: Explicitly Excluded (from IOI), Math switches | Educational Round 7 (myrcella, errorgorn) | Batch | 5 |
tents | N/A | ⓘTags: Dynamic Programming Tents | JOI 2017/2018 Spring Camp | Batch | 5 |
superpiece | N/A | ⓘTags: Adhoc, Graph Theory Superpiece | EGOI 2022 Day 2 | Batch | 5 |
oenothera | N/A | ⓘTags: Data Structures, Greedy, Square Root Decomposition oenothera | Codeforces 1039E | Batch | 5 |
souvenirs2 | N/A | ⓘTags: Data Structures, Math souvenirs2 | ARC 068C | Batch | 5 |
learningtrack2 | N/A | ⓘTags: Data Structures, Dynamic Programming learningtrack2 | LOJ #3068 | Batch | 5 |
hunterxhunter | N/A | ⓘTags: Dynamic Programming hunterxhunter | International Autumn Tournament in Informatics 2020 | Batch | 5 |
messages | N/A | ⓘTags: Information Theory Messages | Valentine's Day Contest 2023 (beepbeepsheep) | Communication | 5 |
wiring_ioi | N/A | ⓘTags: Dynamic Programming Wiring | IOI 2017 | Interactive | 5 |
springtrap | N/A | ⓘTags: Data Structures springtrap | Educational Round 1 (bensonlzl) | Batch | 5 |
mincross_usaco | N/A | ⓘTags: Data Structures mincross_usaco | USACO 2017 Feb, Platinum | Batch | 5 |
trackingtraining | N/A | ⓘTags: Graph Theory, Math Tracking Training | IOI 2020 Practice Session | Batch | 5 |
lppfnlcst2 | N/A | ⓘTags: Data Structures Lazy Propogation Persistant Fat Nodes Li Chao Segment Tree 2 | Classic Problem (errorgorn) | Batch | 5 |
hungryrabbits3 | N/A | ⓘTags: Binary Search, Greedy Hungry Rabbits 3 | Dec Course 2022 BAPS (bensonlzl) | Batch | 5 |
woodenraft | N/A | ⓘTags: Greedy, Math woodenraft | Codeforces 1223G | Batch | 5 |
trivialmaths2 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math trivialmaths2 (EE) | Educational Round 7 (errorgorn) | Batch | 5 |
weddingcity | N/A | ⓘTags: Constructive Algorithms, Graph Theory weddingcity | IOI Sparring 2018 SGP | Batch | 5 |
cipele | N/A | ⓘTags: Binary Search, Greedy cipele | COCI 2018/2019 | Batch | 5 |
notimetodry | N/A | ⓘTags: Data Structures, Square Root Decomposition No Time to Dry | USACO 2021 February Contest, Platinum | Batch | 5 |
productcounting | N/A | ⓘTags: Divide and Conquer, Square Root Decomposition Product Counting | Educational Round 5 (errorgorn) | Batch | 5 |
marathon | N/A | ⓘTags: Dynamic Programming, Graph Theory marathon | RI Problem Setter Contest 2019 (Ziwyy) | Batch | 5 |
jedan | N/A | ⓘTags: Dynamic Programming jedan | COCI 2012/2013 | Batch | 5 |
spotlights | N/A | ⓘTags: Adhoc Estelle’s Concert Spotlights | RI-HCI NOI Selection Test 2018 | Batch | 5 |
wavynumbers | N/A | ⓘTags: Brute Force, Math, Meet in the Middle wavynumbers | Codeforces 273E | Batch | 5 |
insects | N/A | ⓘTags: Adhoc, Binary Search, Information Theory Rarest Insects | IOI 2022 (Day 2) | Interactive | 5 |
visiting | N/A | ⓘTags: Graph Theory, Trees visiting | Dunjudge Archive | Batch | 5 |
seqtransform | N/A | ⓘTags: Brute Force, Data Structures, Greedy seqtransform | LOJ #3704 | Batch | 5 |
mergecards | N/A | ⓘTags: Adhoc, Dynamic Programming Merge Cards | Google Kick Start 2020 Round G | Batch | 5 |
waterslide | N/A | ⓘTags: Data Structures Water Slide | ROI 2022 | Batch | 5 |
elca | N/A | ⓘTags: Data Structures, Graph Theory, Trees elca | Codeforces 482E | Batch | 4 |
boxes3 | N/A | ⓘTags: Binary Search, Data Structures boxes3 | Random idea (AlphanumericUsername) | Batch | 4 |
powersupply | N/A | ⓘTags: Adhoc, Data Structures, Line Sweep/Sliding Window, Math Power Supply | Educational Round 5 (cstuart) | Batch | 4 |
weightlifting | N/A | ⓘTags: Dynamic Programming weightlifting | Google Code Jam 2022 Round 1A | Batch | 4 |
neila | N/A | ⓘTags: Adhoc, Math neila | RMM 2013/5 | Batch | 4 |
skiing | N/A | ⓘTags: Graph Theory skiing | ABC 237 | Batch | 4 |
bridge_cerc | N/A | ⓘTags: Graph Theory, Square Root Decomposition Bridge | CERC 2018 | Batch | 4 |
competitiveteams | N/A | ⓘTags: Graph Theory, Square Root Decomposition Competitive Teams | HackerRank | Batch | 4 |
commonsubsequence | N/A | ⓘTags: Dynamic Programming commonsubsequence | ABC 130 | Batch | 4 |
field | N/A | ⓘTags: Graph Theory Field | NOI 2024 Finals (cstuart) | Batch | 4 |
suffixarray | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Oolimry and Suffix Array | Codeforces Round 723 (zaneyu) | Batch | 4 |
transportingpotatoes | N/A | ⓘTags: Dynamic Programming, Graph Theory Transporting Potatoes | RI November Course 2024 Advanced Final Contest (user123, bribritt) | Batch | 4 |
socialdistance | N/A | ⓘTags: Adhoc, Graph Theory, Trees Social Distance | Codeforces 1381D | Batch | 4 |
switches998244353 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math switches998244353 (EE) | Educational Round 7 (errorgorn) | Batch | 4 |
addsubtract | N/A | ⓘTags: Dynamic Programming, Greedy addsubtract | Dunjudge Archive | Batch | 4 |
onlineexam | N/A | ⓘTags: Constructive Algorithms, Explicitly Excluded (from IOI), Information Theory, Joke, Math Online Exam | April Fools 2023 (zengminghao) | Interactive | 4 |
orlando | N/A | ⓘTags: Bitmask, Data Structures, Dynamic Programming, Graph Theory, Trees orlando | RI Problem Setter Contest 2019 (zhuan, 0rang3) | Batch | 4 |
boxoffice | N/A | ⓘTags: Brute Force, Data Structures Box Office | Dunjudge Archive | Batch | 4 |
pancake_ex | N/A | ⓘTags: Brute Force, Meet in the Middle Pancake (Extreme) | Classic Problem | Batch | 4 |
badnim2 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Bad Nim 2 (EE) | Educational Round 8 (Goodbye oolimry) (errorgorn) | Batch | 4 |
avoidcollision | N/A | ⓘTags: Dynamic Programming, Graph Theory avoidcollision | ARC 090C | Batch | 4 |
sjeckanje | N/A | ⓘTags: Data Structures, Greedy sjeckanje | COCI 2020/2021 | Batch | 4 |
fencing3 | N/A | ⓘTags: Data Structures, Square Root Decomposition fencing3 | Educational Round 3 (errorgorn, tqbfjotld) | Batch | 4 |
paint_ioi | N/A | ⓘTags: Adhoc, Dynamic Programming Paint By Numbers | IOI 2016 | Interactive | 4 |
workload_ex | N/A | ⓘTags: Explicitly Excluded (from IOI), Math workload_ex | Classic Problem in China (Probably) (errorgorn) | Batch | 4 |
friendcross | N/A | ⓘTags: Data Structures friendcross | USACO 2017 Feb Plat | Batch | 4 |
toy | N/A | ⓘTags: Graph Theory, Trees toy | ROI 2014 | Batch | 4 |
sufferingprogrammer | N/A | ⓘTags: Joke Suffering Programmer | Suffering (shoryu386) | Batch | 4 |
rabbitgifts | N/A | ⓘTags: Data Structures, Math rabbitgifts | December Course 2018 Advanced Final Contest | Batch | 4 |
infiniteseq | N/A | ⓘTags: Dynamic Programming infiniteseq | AtCoder Regular Contest 071 | Batch | 4 |
split | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Trees Split the Attractions | IOI 2019 (Day 1) | Interactive | 4 |
synchronization | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Synchronization | JOI Open Contest 2013 | Batch | 4 |
catdog | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory, Trees Cats or Dogs | JOI Open 2018 | Interactive | 4 |
rainingseason | N/A | ⓘTags: Data Structures, Graph Theory, Trees rainingseason | Codeforces 1019E | Batch | 4 |
manhattancompass | N/A | ⓘTags: Binary Search, Graph Theory manhattancompass | AtCoder | Batch | 4 |
wakeup | N/A | ⓘTags: Binary Search, Data Structures Wake Up | IOI 2020 Practice Session | Batch | 4 |
boarding | N/A | ⓘTags: Adhoc, Dynamic Programming, Graph Theory boarding | NUSH ISC 2018 | Batch | 4 |
idigit | N/A | ⓘTags: Bitmask, Math I Dig It! | IOI 2020 Practice Session | Batch | 4 |
escapesadland | N/A | ⓘTags: Binary Search, Graph Theory Escape Sadland | Dunjudge Archive | Batch | 4 |
meetings | N/A | ⓘTags: Data Structures, Divide and Conquer Meetings | IOI 2018 | Interactive | 4 |
zhylanio | N/A | ⓘTags: Binary Search, Brute Force, Data Structures zhylanio | IZHO 2022 | Batch | 4 |
towers_ioi | N/A | ⓘTags: Binary Search, Data Structures, Greedy Radio Towers | IOI 2022 (Day 1) | Interactive | 4 |
dahliahostels | N/A | ⓘTags: Dynamic Programming, Math dahliahostels | Valentines Contest 2021 (errorgorn) | Batch | 4 |
morefun | N/A | ⓘTags: Dynamic Programming Even more fun | CPSPC 2010 | Batch | 4 |
shuffle | N/A | ⓘTags: Constructive Algorithms, Graph Theory shuffle | NOI 2019 (guangxuan) | Interactive | 4 |
parks | N/A | ⓘTags: Adhoc, Constructive Algorithms, Graph Theory Fountain Parks | IOI 2021 | Interactive | 4 |
cupboardjumps | N/A | ⓘTags: Dynamic Programming, Slope Trick cupboardjumps | Codeforces 1500F | Batch | 3 |
realfun | N/A | ⓘTags: Binary Search Real Fun | CPSPC 2010 | Batch | 3 |
dungeons | N/A | ⓘTags: Graph Theory Dungeons Game | IOI 2021 | Interactive | 3 |
mushrooms | N/A | ⓘTags: Constructive Algorithms, Information Theory Counting Mushrooms | IOI 2020 (Day 2) | Interactive | 3 |
count1graphs | N/A | ⓘTags: Math Count 1 Graphs | Educational Round 4 (maomao90, errorgorn) | Batch | 3 |
loza | N/A | ⓘTags: Data Structures, Graph Theory, Trees Loza | COI 2009 | Batch | 3 |
supermarkets | N/A | ⓘTags: Data Structures Supermarkets | IOI 2020 Practice Session | Batch | 3 |
harvest | N/A | ⓘTags: Data Structures Harvest | JOI 2019/2020 | Batch | 3 |
registers | N/A | ⓘTags: Bitmask, Constructive Algorithms Bit Shift Registers | IOI 2021 | Interactive | 3 |
wombats | N/A | ⓘTags: Data Structures wombats | IOI 2013 | Interactive | 3 |
enumeratingbrackets | N/A | ⓘTags: Dynamic Programming Enumerating Brackets | Waterloo Programming Contest 2016-10-01 | Batch | 3 |
winetasting | N/A | ⓘTags: Data Structures winetasting | LOJ #2133 | Batch | 3 |
railwaytrip2 | N/A | ⓘTags: Data Structures Railway Trip 2 | JOI 2022 Final Round | Batch | 3 |
messenger | N/A | ⓘTags: Information Theory messenger | Dunjudge Archive | Communication | 3 |
train_ioi | N/A | ⓘTags: Graph Theory Toy Train | IOI 2017 | Interactive | 3 |
travelling | N/A | ⓘTags: Math travelling | ASEAN Sparring 2022 (kevinsogo) | Batch | 3 |
trianglecraft | N/A | ⓘTags: Math Trianglecraft | HCI NOI Selection Test 2017 | Batch | 3 |
seats | N/A | ⓘTags: Data Structures Seats | IOI 2018 | Interactive | 3 |
travelbloggers | N/A | ⓘTags: Graph Theory, Joke Travel Bloggers | Unknown Source | Batch | 3 |
tickets_loj | N/A | ⓘTags: Divide and Conquer, Dynamic Programming, Trees tickets_loj | LOJ #2249 | Batch | 3 |
islands | N/A | ⓘTags: Graph Theory Thousands Islands | IOI 2022 (Day 2) | Interactive | 3 |
hanabi | N/A | ⓘTags: Binary Search, Data Structures hanabi | IOI Sparring 2018 SGP | Batch | 3 |
plants | N/A | ⓘTags: Binary Search, Data Structures Comparing Plants | IOI 2020 | Interactive | 3 |
usefft4 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Use FFT 4 | Valentine's Day Contest 2022 (errorgorn) | Batch | 3 |
redstonelamps | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Redstone Lamps | HCI NOI Selection Test 2017 | Batch | 3 |
squaregraph | N/A | ⓘTags: Graph Theory Square Graph | AGC 011C | Batch | 3 |
toxicwaste | N/A | ⓘTags: Graph Theory Toxic Waste | Dunjudge Archive | Batch | 3 |
linearbasis | N/A | ⓘTags: Explicitly Excluded (from IOI), Math linearbasis | Hello 2022 (errorgorn) | Batch | 3 |
railroad | N/A | ⓘTags: Graph Theory, Greedy Roller Coaster Railroad | IOI 2016 | Interactive | 3 |
pawns | N/A | ⓘTags: Adhoc, Explicitly Excluded (from IOI), Math e4e5 Ke2? Ke7? | TROC 24 (maomao90, errorgorn) | Batch | 3 |
stagegames_part1 | N/A | ⓘTags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 1 - 5) | RI-HCI NOI Selection Test 2018 | Interactive | 3 |
knapsack2 | N/A | ⓘTags: Dynamic Programming knapsack2 | David Pisinger (1995) | Batch | 3 |
hyperoperations | N/A | ⓘTags: Math hyperoperations | Dunjudge Archive | Batch | 3 |
urbanplanning | N/A | ⓘTags: Graph Theory, Trees urbanplanning | IZhO 2022 | Batch | 3 |
prize | N/A | ⓘTags: Binary Search, Information Theory The Big Prize | IOI 2017 | Interactive | 3 |
treeinteger | N/A | ⓘTags: Graph Theory, Greedy, Trees treeinteger | ARC 063E | Batch | 3 |
preciseforecast | N/A | ⓘTags: Graph Theory preciseforecast | LOJ #3101 | Batch | 3 |
gerrymandering_ex | N/A | ⓘTags: Greedy Gerrymandering (Extreme) | Dec Course 2021 BAPS (modified) (beepbeepsheep) | Batch | 3 |
mirrortree | N/A | ⓘTags: Graph Theory, Trees mirrortree | BOI 2011, Day 2 | Batch | 3 |
nypromo | N/A | ⓘTags: Data Structures, Divide and Conquer, Greedy, Line Sweep/Sliding Window Nanyang Promotional Examination | NYOI 2024 Final Round (Pan, Hijackedsoul) | Batch | 3 |
tomskitchen | N/A | ⓘTags: Dynamic Programming Tom’s Kitchen | BOI 2019 Day 2 | Batch | 3 |
figures | N/A | ⓘTags: Binary Search, Dynamic Programming Figures | IOI 2020 Practice Session | Batch | 3 |
constellation2 | N/A | ⓘTags: Line Sweep/Sliding Window constellation2 | JOISC 2014 | Batch | 3 |
bodyguard | N/A | ⓘTags: Dynamic Programming bodyguard | JOISC 2021 | Batch | 3 |
epicinteractive | N/A | ⓘTags: Adhoc, Information Theory, Math Epic Interactive | Educational Round 8 (Goodbye oolimry) (errorgorn, oolimry) | Interactive | 3 |
ruler | N/A | ⓘTags: Brute Force, Data Structures Ruler Of The Zoo | Educational Round 8 (Goodbye oolimry) (oolimry) | Batch | 3 |
toxic2 | N/A | ⓘTags: Adhoc, Binary Search, Information Theory Toxic Gene 2 | NOI 2024 Finals (bensonlzl) | Interactive | 3 |
girlfriends | N/A | ⓘTags: Explicitly Excluded (from IOI), Math girlfriends (EE) | CP Singles Day Contest 2020 (errorgorn) | Batch | 3 |
game | N/A | ⓘTags: Graph Theory Game | APIO 2022 | Interactive | 3 |
secret_mco | N/A | ⓘTags: Adhoc, Explicitly Excluded (from IOI) Secret | MCO 2015 | Batch | 3 |
walk | N/A | ⓘTags: Graph Theory Sky Walking | IOI 2019 | Interactive | 3 |
cakeatstake | N/A | ⓘTags: Data Structures Cake at Stake | IOI 2020 Practice Session | Batch | 3 |
earthwormlines | N/A | ⓘTags: Data Structures earthwormlines | LOJ #2303 | Batch | 3 |
fruits_noi | N/A | ⓘTags: Data Structures, Dynamic Programming Fruits | NOI 2022 Finals (bensonlzl) | Batch | 3 |
foolpruf | N/A | ⓘTags: Data Structures, Graph Theory, Greedy Foolprüf Security | NERC 2019 | Batch | 3 |
joker | N/A | ⓘTags: Adhoc, Divide and Conquer, Graph Theory joker | BOI 2020 | Batch | 3 |
binaryseq | N/A | ⓘTags: Math BinarySeq | Dunjudge Archive (bensonlzl) | Batch | 3 |
paint_coi | N/A | ⓘTags: Graph Theory, Square Root Decomposition paint_coi | COI 2020 | Batch | 3 |
perishableroads | N/A | ⓘTags: Graph Theory perishableroads | Codeforces 773D | Batch | 3 |
squidgame | N/A | ⓘTags: Data Structures Squid Game 2: Hot Chocolate | Valentine's Day Contest 2023 (Wenkai, beepbeepsheep) | Batch | 3 |
cantor | N/A | ⓘTags: Binary Search, Information Theory cantor | TROC 24 (errorgorn) | Interactive | 3 |
deliveringpotatoes | N/A | ⓘTags: Data Structures deliveringpotatoes | Unknown Source | Batch | 3 |
thief | N/A | ⓘTags: Dynamic Programming thief | Dunjudge Archive | Batch | 3 |
gugdance | N/A | ⓘTags: Constructive Algorithms, Graph Theory gugdance | Dunjudge Archive | Batch | 3 |
lampice | N/A | ⓘTags: Binary Search, Divide and Conquer, Dynamic Programming, Graph Theory, Trees lampice | COCI 2019/2020 | Batch | 3 |
show | N/A | ⓘTags: Graph Theory, Information Theory, Trees Magic Show | APIO 2024 | Communication | 3 |
bracketcount | N/A | ⓘTags: Dynamic Programming, Explicitly Excluded (from IOI) bracketcount | Valentines Contest 2021 (errorgorn) | Batch | 3 |
nom | N/A | ⓘTags: Dynamic Programming, Math nom | RMI 2021 | Batch | 3 |
obelisk | N/A | ⓘTags: Graph Theory obelisk | NOI 2014 | Batch | 3 |
minimax | N/A | ⓘTags: Graph Theory, Trees minimax | Hello 2020 (errorgorn) | Batch | 3 |
inversionsum | N/A | ⓘTags: Dynamic Programming, Math inversionsum | Dunjudge Archive | Batch | 3 |
highway | N/A | ⓘTags: Binary Search, Information Theory Highway Tolls | IOI 2018 | Interactive | 3 |
ihatenonint | N/A | ⓘTags: Dynamic Programming I Hate Non-integer Number | ABC 262 | Batch | 3 |
evacuation | N/A | ⓘTags: Data Structures, Divide and Conquer Evacuation | XX Open Cup GP of Tokyo | Batch | 2 |
filibuster | N/A | ⓘTags: Data Structures Filibuster | IOI 2020 Practice Session | Batch | 2 |
edgeremove | N/A | ⓘTags: Dynamic Programming, Graph Theory, Trees edgeremove | LOJ #3705 | Batch | 2 |
coinmaster | N/A | ⓘTags: Graph Theory coinmaster | Deportation 101 (PlayVoltz) | Batch | 2 |
overtaking | N/A | ⓘTags: Adhoc, Binary Search Overtaking | IOI 2023 (Day 2) | Interactive | 2 |
spiderclimb | N/A | ⓘTags: Dynamic Programming, Trees spiderclimb | LOJ #3661 | Batch | 2 |
fever | N/A | ⓘTags: Graph Theory, Greedy fever | JOISC 2021 | Batch | 2 |
builderswand | N/A | ⓘTags: Dynamic Programming Builder’s Wand | HCI NOI Selection Test 2017 | Batch | 2 |
streetlamps_ex | N/A | ⓘTags: Data Structures, Divide and Conquer Street Lamps!! | APIO 2019 but with more pain | Batch | 2 |
flowercards | N/A | ⓘTags: Graph Theory flowercards | LOJ #536 | Batch | 2 |
computergame | N/A | ⓘTags: Binary Search, Dynamic Programming, Greedy computergame | Codeforces 1067D | Batch | 2 |
synergies | N/A | ⓘTags: Constructive Algorithms, Graph Theory Synergies | IOI 2020 Practice Session | Batch | 2 |
usefft2 | N/A | ⓘTags: Math Use FFT 2 | Valentine's Day Contest 2022 (errorgorn) | Batch | 2 |
mars | N/A | ⓘTags: Graph Theory, Information Theory Mars | APIO 2022 | Interactive | 2 |
consistency | N/A | ⓘTags: Data Structures Consistency | RI-HCI NOI Selection Test 2019 (bensonlzl) | Batch | 2 |
forkintheroad | N/A | ⓘTags: Dynamic Programming, Graph Theory, Math forkintheroad | AtCoder | Batch | 2 |
ninjashard | N/A | ⓘTags: Data Structures Ninjas (Hard) | TROC 24 (oolimry, errorgorn) | Batch | 2 |
paleta | N/A | ⓘTags: Dynamic Programming, Graph Theory, Math paleta | COCI 2013/2014 | Batch | 2 |
mergesets | N/A | ⓘTags: Data Structures Merge Sets | Unknown Source | Batch | 2 |
pond | N/A | ⓘTags: Data Structures, Dynamic Programming pond | NOI 2021 Finals (jeff_) | Batch | 2 |
coolslogans | N/A | ⓘTags: Data Structures coolslogans | LOJ #6288 | Batch | 2 |
switchandflip | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Math Switch and Flip | Codeforces Global Round 13 (errorgorn, oolimry) | Batch | 2 |
scales | N/A | ⓘTags: Brute Force, Information Theory Scales | IOI 2015 | Interactive | 2 |
valves | N/A | ⓘTags: Data Structures Valves | Dec Course 2022 BAPS (beepbeepsheep) | Batch | 2 |
xorsplit | N/A | ⓘTags: Bitmask, Divide and Conquer, Explicitly Excluded (from IOI) xorsplit | Valentine's Day Contest 2023 (blackscreen1, pavement, maomao90, zaneyu) | Batch | 2 |
deciphering_zane_3 | N/A | ⓘTags: Information Theory Deciphering Zane 3 | DDC23 Final (oolimry) | Interactive | 2 |
killanton_ex | N/A | ⓘTags: Bitmask, Dynamic Programming killanton_ex | Valentine's Day Contest 2022 (errorgorn) | Batch | 2 |
sandcastle2 | N/A | ⓘTags: Bitmask, Dynamic Programming, Graph Theory Sandcastle 2 | JOI 2022 Final Round | Batch | 2 |
steeple | N/A | ⓘTags: Graph Theory Cow Steeplechase | USACO 2011 Nov, Gold | Batch | 2 |
sherlockgraph | N/A | ⓘTags: Graph Theory sherlockgraph | HackerRank | Batch | 2 |
soccer | N/A | ⓘTags: Data Structures, Dynamic Programming, Graph Theory Soccer Stadium | IOI 2023 (Day 1) | Interactive | 2 |
koala | N/A | ⓘTags: Binary Search, Constructive Algorithms, Divide and Conquer, Information Theory Koala Game | APIO 2017 | Interactive | 2 |
gathering | N/A | ⓘTags: Graph Theory, Greedy gathering | USACO 2018 December Platinum | Batch | 2 |
kanji | N/A | ⓘTags: Information Theory kanji | Dunjudge Archive | Communication | 2 |
seabreakpath | N/A | ⓘTags: Data Structures Seabreak Path | SGP Sparring 2021 (lovemathboy) | Batch | 2 |
hotelhunt_easy | N/A | ⓘTags: Graph Theory, Trees Hotel Hunt(Easy) | CPIC (Hijackedsoul, PlayVoltz) | Batch | 2 |
minedges | N/A | ⓘTags: Graph Theory Minimizing Edges | USACO 2021 February Contest, Platinum | Batch | 2 |
phonenumbers | N/A | ⓘTags: Bitmask, Dynamic Programming phonenumbers | USACO 2022 Feb, Platinum | Batch | 2 |
triumvirate | N/A | ⓘTags: Dynamic Programming Triumvirate | IOI 2020 Practice Session | Batch | 2 |
trespasser | N/A | ⓘTags: Bitmask, Information Theory ADVANCED Trespasser | 2019 IOI Problem Setter Contest (bensonlzl) | Interactive | 2 |
kthpar | N/A | ⓘTags: Divide and Conquer, Explicitly Excluded (from IOI), Graph Theory, Trees JiaHng couldn’t solve this lol | folklore (errorgorn) | Batch | 2 |
fiboregisters | N/A | ⓘTags: Adhoc, Constructive Algorithms, Math IOI Registers: but epic | TROC 24 (errorgorn) | Batch | 2 |
redblue | N/A | ⓘTags: Constructive Algorithms, Graph Theory, Trees redblue | Dunjudge Archive | Batch | 2 |
ninjaseasy | N/A | ⓘTags: Data Structures Ninjas (Easy) | TROC 24 (oolimry) | Batch | 2 |
game_ioi13 | N/A | ⓘTags: Data Structures, Explicitly Excluded (from IOI) game | IOI 2013 | Interactive | 2 |
usefft3 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math Use FFT 3 | Valentine's Day Contest 2022 (errorgorn) | Batch | 2 |
candycrush | N/A | ⓘTags: Dynamic Programming Candy Crush | Dunjudge Archive | Batch | 2 |
wearenumberone | N/A | ⓘTags: Graph Theory We Are Number One | IOI 2020 Practice Session | Batch | 2 |
train_apio24 | N/A | ⓘTags: Data Structures, Graph Theory Train | APIO 2024 (myrcella) | Interactive | 2 |
stagegames_part2 | N/A | ⓘTags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 6 - 10) | RI-HCI NOI Selection Test 2018 | Interactive | 2 |
maxmex | N/A | ⓘTags: Data Structures, Graph Theory, Trees Max Mex | Dunjudge Archive | Batch | 2 |
twoavenues | N/A | ⓘTags: Data Structures, Graph Theory, Trees twoavenues | Codeforces 1648F | Batch | 2 |
cantor_ex | N/A | ⓘTags: Binary Search, Information Theory cantor_ex | Valentine's Day Contest 2022 (errorgorn) | Interactive | 2 |
powerpoints | N/A | ⓘTags: Constructive Algorithms Power Points | IOI 2020 Practice Session | Batch | 2 |
firing | N/A | ⓘTags: Data Structures Firing | IOI 2020 Practice Session | Batch | 2 |
shopping_joi | N/A | ⓘTags: Binary Search, Data Structures, Divide and Conquer, Information Theory shopping_joi | JOISC 2021 | Communication | 1 |
sequence_loj | N/A | ⓘTags: Graph Theory, Greedy sequence_loj | LOJ #3158 | Batch | 1 |
hexagon | N/A | ⓘTags: Graph Theory, Math Hexagonal Territory | APIO 2021 | Interactive | 1 |
library | N/A | ⓘTags: Binary Search, Information Theory Library | JOI 2018/2019 Spring Camp Day 4 | Interactive | 1 |
sorting | N/A | ⓘTags: Binary Search, Constructive Algorithms Sorting | IOI 2015 | Interactive | 1 |
cursordistance | N/A | ⓘTags: Binary Search, Math cursordistance | Codeforces 1246F | Batch | 1 |
towns | N/A | ⓘTags: Graph Theory, Information Theory, Trees Towns | IOI 2015 | Interactive | 1 |
manymsts | N/A | ⓘTags: Binary Search, Graph Theory manymsts | LOJ #3635 | Batch | 1 |
countedges | N/A | ⓘTags: Dynamic Programming, Graph Theory, Math Counting Edges | USACO 2021 February Contest, Platinum | Batch | 1 |
chefmala | N/A | ⓘTags: Data Structures chefmala | CodeChef February Lunchtime 2022 (errorgorn) | Batch | 1 |
mooshroomfarm | N/A | ⓘTags: Data Structures Mooshroom Farm | HCI NOI Selection Test 2017 | Batch | 1 |
virus | N/A | ⓘTags: Adhoc, Graph Theory, Line Sweep/Sliding Window virus | JOISC 2017, Day 1 | Batch | 1 |
teams | N/A | ⓘTags: Constructive Algorithms, Data Structures, Dynamic Programming Teams | IOI 2015 | Interactive | 1 |
kronecker | N/A | ⓘTags: Math kronecker | Valentine's Day Contest 2022 (errorgorn) | Batch | 1 |
paintbyrectangles | N/A | ⓘTags: Graph Theory, Line Sweep/Sliding Window paintbyrectangles | USACO 2022 Feb, Platinum | Batch | 1 |
splittingtree | N/A | ⓘTags: Graph Theory, Trees Splitting Tree | LOJ P3213 | Batch | 1 |
thesis | N/A | ⓘTags: Binary Search, Dynamic Programming, Graph Theory, Trees thesis | LOJ #511 | Batch | 1 |
alien10 | N/A | ⓘTags: Explicitly Excluded (from IOI), Math alien10 | uwu (errorgorn) | Batch | 1 |
watchmen | N/A | ⓘTags: Graph Theory watchmen | BOI 2021 | Batch | 1 |
present | N/A | ⓘTags: Math present | RMI 2021 | Batch | 1 |
cattown | N/A | ⓘTags: Graph Theory Cat Town | RI/RJC NOI Selection Test 2016 | Batch | 1 |
masquerade | N/A | ⓘTags: Graph Theory, Math masquerade | BZOJ 1064 | Batch | 1 |
gate | N/A | ⓘTags: Data Structures, Graph Theory, Trees gate | LOJ #2474 | Batch | 1 |
cellulardata | N/A | ⓘTags: Bitmask, Dynamic Programming, Explicitly Excluded (from IOI), Math Cellular Data | IOI 2020 Practice Session | Batch | 1 |
fliprect | N/A | ⓘTags: Adhoc, Data Structures, Dynamic Programming fliprect | ARC 081F | Batch | 1 |
reflection | N/A | ⓘTags: Constructive Algorithms, Math reflection | RI-HCI NOI Selection Test 2020 (eutroph) | Batch | 1 |
hieroglyphs | N/A | ⓘTags: Graph Theory, Math hieroglyphs | ACM/ICPC World Finals 2011 | Batch | 1 |
simurgh | N/A | ⓘTags: Graph Theory, Information Theory, Trees Simurgh | IOI 2017 | Interactive | 1 |
alternating | N/A | ⓘTags: Dynamic Programming, Greedy alternating | BOI 2018 | Batch | 1 |
shortcut | N/A | ⓘTags: Binary Search, Graph Theory, Line Sweep/Sliding Window Shortcut | IOI 2016 | Interactive | 1 |
longesttrip | N/A | ⓘTags: Graph Theory, Information Theory Longest Trip | IOI 2023 (Day 1) | Interactive | 1 |
dynamicdiameter2 | N/A | ⓘTags: Graph Theory, Trees Dynamic Diameter 2 | RMI 2020 | Batch | 1 |
kamion | N/A | ⓘTags: Dynamic Programming kamion | COCI 2010/2011 | Batch | 1 |
naturalpark | N/A | ⓘTags: Graph Theory, Information Theory naturalpark | JOISC 2017 | Interactive | 1 |
arrangement | N/A | ⓘTags: Data Structures, Dynamic Programming, Greedy arrangement | LOJ #3327 | Batch | 1 |
robotcontest | N/A | ⓘTags: Adhoc, Constructive Algorithms, Graph Theory Robot Contest | IOI 2023 (Day 2) | Interactive | 1 |
beechtree | N/A | ⓘTags: Graph Theory, Trees Beech Tree | IOI 2023 (Day 2) | Interactive | 1 |
wheelofmisfortune | N/A | ⓘTags: Adhoc, Brute Force, Math Wheel of Misfortune | IOI 2020 Practice Session | Batch | 1 |
mao | N/A | ⓘTags: Joke Mao | Codebreaker Fundraiser Contest 2024 (ecxx) | Interactive | 0 |