Filter Problems

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 916
addition N/A Tags: Syntax Addition of 2 numbers Classic problem Batch 797
exam N/A Tags: Syntax Exam RI Nov Sel 2020 (syy) Batch 708
sumint N/A Tags: Syntax Sum of Integers Dunjudge Archive Batch 663
maximum N/A Tags: Syntax Maximum Dunjudge Archive Batch 652
gcd N/A Tags: Math, Syntax Greatest Common Divisor Classic Problem Batch 553
lunchbox N/A Tags: Greedy Lunch Box NOI 2016 Batch 549
3nplus1 N/A Tags: Syntax 3nplus1 Classic Problem Batch 533
evenorodd N/A Tags: Syntax evenorodd Classic Problem Batch 493
psle N/A Tags: Syntax Old PSLE Grading System Classic Problem Batch 485
fibo N/A Tags: Dynamic Programming, Math Fibonacci Classic Problem Batch 478
fizzbuzz N/A Tags: Math, Syntax FizzBuzz Classic Problem Batch 453
rightangtri N/A Tags: Syntax rightangtri Classic Problem Batch 422
flamethrower N/A Tags: Brute Force Flame Thrower Dunjudge Archive Batch 413
boxispull N/A Tags: Adhoc, Syntax Box is Pull Codeforces Raif Round 1 (bensonlzl) Batch 406
adjmatrix N/A Tags: Graph Theory Adjacency Matrix Dunjudge Archive Batch 383
prime N/A Tags: Math Prime Numbers Classic Problem Batch 376
brick N/A Tags: Data Structures brick Dunjudge Archive Batch 363
potatosalad N/A Tags: Greedy potatosalad Classic Problem Batch 363
smurf N/A Tags: Brute Force, Syntax smurf RI Deccourse 2018 Selection Test (tch1001) Batch 354
card N/A Tags: Data Structures Card NOI 2010 Batch 353
minimum N/A Tags: Syntax minimum Classic Problem Interactive 350
adjlist N/A Tags: Graph Theory Adjacency List Dunjudge Archive Batch 339
xmas N/A Tags: Syntax xmas NOI 2009 Batch 332
lis_easy N/A Tags: Dynamic Programming lis_easy Classic problem Batch 329
paint N/A Tags: Greedy paint NOI 2011 Batch 326
timeexam N/A Tags: Math, Syntax What's the Time? RI November Course Stage 2 Selection Test 2021 (ryangohca) Batch 320
contestcalc N/A Tags: Math, Syntax contestcalc Dunjudge Archive Batch 298
bracketex N/A Tags: Data Structures, Syntax bracketex Dunjudge Archive Batch 293
exponentiate N/A Tags: Math Exponentiate Classic Problem Batch 289
lengthsort N/A Tags: Syntax lengthsort Dunjudge Archive Batch 280
3nplus1II N/A Tags: Syntax 3nplus1II Classic Problem Batch 280
guanine N/A Tags: Data Structures guanine Dunjudge Archive Batch 273
subgraphs N/A Tags: Graph Theory Subgraphs Dunjudge Archive Batch 271
weddingcoins N/A Tags: Greedy weddingcoins Dunjudge Archive Batch 270
prefixsums N/A Tags: Dynamic Programming, Syntax prefixsums Classic Problem (YeoBL20) Batch 265
simp N/A Tags: Adhoc, Brute Force Simp Codeforces 1033A Batch 264
cuberoot N/A Tags: Binary Search, Math, Syntax cuberoot Classic Problem Batch 263
diamond N/A Tags: Syntax diamond Classic Problem Batch 251
binarycoins N/A Tags: Bitmask, Greedy, Syntax binarycoins Dunjudge Archive Batch 248
splithunny N/A Tags: Graph Theory splithunny Dunjudge Archive Batch 247
gecko N/A Tags: Dynamic Programming gecko NOI 2008 Batch 245
gotoschool N/A Tags: Syntax Go To School ABC142 Batch 244
nprime N/A Tags: Brute Force, Math Prime NOI 2008 Batch 244
arrayfind N/A Tags: Binary Search arrayfind Dunjudge Archive Batch 241
pigeons N/A Tags: Brute Force pigeons Classic Problem Batch 238
medianstring N/A Tags: Syntax medianstring Dunjudge Archive Batch 236
descsort N/A Tags: Syntax descsort Dunjudge Archive Batch 235
uniquenumbers N/A Tags: Data Structures uniquenumbers Classic Problem Batch 232
segmenttree N/A Tags: Data Structures Segment Tree Classic problem Batch 223
catlunch N/A Tags: Data Structures, Greedy catlunch RI/RJC NOI Selection Test 2016 Batch 214
lvm N/A Tags: Brute Force, Data Structures lvm NOI 2008 Batch 211
typo N/A Tags: Syntax Typo ABC221 Batch 211
flybot N/A Tags: Dynamic Programming flybot Dunjudge Archive Batch 207
area N/A Tags: Syntax area Dunjudge Archive Batch 206
lcs N/A Tags: Dynamic Programming lcs Classic problem Batch 203
beareatrabbit N/A Tags: Dynamic Programming Bear Eat Rabbit Classic Problem Batch 201
addition2 N/A Tags: Joke Addition? Hello 2022 (oolimry) Batch 200
mrt N/A Tags: Graph Theory MRT Dunjudge Archive Batch 199
lis N/A Tags: Binary Search, Dynamic Programming Longest Increasing Subsequence Classic problem Batch 198
catfight N/A Tags: Line Sweep/Sliding Window catfight Dunjudge Archive Batch 196
greeting N/A Tags: Syntax CNY Greetings 2020 CNY (errorgorn) Batch 195
car N/A Tags: Graph Theory car Dunjudge Archive Batch 193
moneychanger N/A Tags: Dynamic Programming moneychanger Dunjudge Archive Batch 190
pairsums N/A Tags: Syntax Button Pairs UWCOI 2020 (socho, astoria, kimbj0709) Batch 187
GSS N/A Tags: Greedy GSS Dunjudge Archive Batch 187
bestplace N/A Tags: Greedy, Syntax bestplace NOI 2017 Batch 182
wabot N/A Tags: Greedy wabot December Course 2019 Advanced Final Contest (bensonlzl) Batch 179
stepgame N/A Tags: Dynamic Programming, Greedy stepgame Classic Problem Batch 177
milkweed N/A Tags: Graph Theory milkweed Dunjudge Archive Batch 175
frogs N/A Tags: Syntax Frogs Winter Computer School 2010/11 Team Contest #1 Batch 174
competition N/A Tags: Greedy competition NOI 2021 Qualification Batch 173
dijkstra N/A Tags: Graph Theory dijkstra Dunjudge Archive Batch 171
ccs N/A Tags: Binary Search, Data Structures ccs Dunjudge Archive Batch 171
illuminate N/A Tags: Math, Syntax Illuminate RI-HCI NOI Selection Test 2020 (bensonlzl) Batch 166
management N/A Tags: Syntax Management ABC163C Batch 165
coinbag N/A Tags: Dynamic Programming coinbag Dunjudge Archive Batch 165
squidzofrenzic N/A Tags: Binary Search squidzofrenzic Dunjudge Archive Batch 164
foreveralone N/A Tags: Data Structures foreveralone Dunjudge Archive Batch 162
general N/A Tags: Graph Theory general Classic Problem Batch 157
1609 N/A Tags: Joke 1609 April Fools' 2021 (0rang3) Batch 153
primefactorization N/A Tags: Math primefactorization Dunjudge Archive Batch 152
pandaeyes N/A Tags: Greedy pandaeyes Dunjudge Archive Batch 152
snack N/A Tags: Dynamic Programming, Greedy snack Dunjudge Archive Batch 148
countalp N/A Tags: Syntax countalp Classic Problem Batch 147
lineup N/A Tags: Line Sweep/Sliding Window lineup USACO Silver Nov 2011 Batch 147
swapsort N/A Tags: Adhoc Swap Sort HCI December Course Selection 2021 (kai824, pavement) Batch 146
medianheap N/A Tags: Data Structures medianheap Dunjudge Archive Batch 145
4sum N/A Tags: Meet in the Middle 4sum NOI 2008 Batch 144
segmenttree2 N/A Tags: Data Structures Segment Tree 2 Classic Problem Batch 142
candymountain_ex N/A Tags: Data Structures, Dynamic Programming candymountain_ex Dunjudge Archive Batch 142
fenwicktree N/A Tags: Data Structures fenwicktree Classic Problem Batch 139
buffet N/A Tags: Dynamic Programming buffet Dunjudge Archive Batch 139
collectmushrooms6 N/A Tags: Dynamic Programming CollectMushrooms NOI 2018 Batch 138
ljubomora N/A Tags: Binary Search ljubomora COCI 2012/2013 Batch 137
subtaskstitching N/A Tags: Joke subtaskstitching Codebreaker Development Batch 136
trains N/A Tags: Dynamic Programming trains Dunjudge Archive Batch 135
eeducation N/A Tags: Syntax Elementary Education Dec Course 2021 Elementary Final Contest (shenxy13) Batch 134
carpark N/A Tags: Greedy carpark Dunjudge Archive Batch 133
potatotree N/A Tags: Data Structures potatotree RI Nov Sel 2020 (syy) Batch 131
pascal N/A Tags: Dynamic Programming, Math pascal Dunjudge Archive Batch 131
coincombinations N/A Tags: Dynamic Programming coincombinations Classic Problem Batch 129
speakers N/A Tags: Greedy speakers Dunjudge Archive Batch 129
floors N/A Tags: Data Structures floors Dunjudge Archive Batch 129
clocktower N/A Tags: Math, Syntax Clock Tower RI December Course Selection Test 2021 (Deadeye) Batch 129
sealevel N/A Tags: Graph Theory sealevel Dunjudge Archive Batch 128
party N/A Tags: Data Structures, Graph Theory party Dunjudge Archive Batch 126
rmaxq N/A Tags: Data Structures Range Max Query Dunjudge Archive Batch 125
fuel N/A Tags: Greedy fuel Dunjudge Archive Batch 123
omnomnom N/A Tags: Dynamic Programming, Graph Theory, Trees omnomnom Classic Problem Batch 123
01knapsack N/A Tags: Dynamic Programming 0-1 Knapsack Classic problem (Atcoder Educational DP Contest) Batch 123
summit N/A Tags: Binary Search summit Dunjudge Archive Batch 123
stonk N/A Tags: Greedy Stonks Dec Trg 2019 (Elementary) (shenxy13) Batch 121
cups N/A Tags: Data Structures cups Deccourse 2021 DS II Contest (errorgorn) Batch 119
helloworld2 N/A Tags: Joke Hello World? Hello 2022 (jamessng) Batch 119
hedgehogcrimes_easy N/A Tags: Dynamic Programming Hedgehog Crimes (Easy Version) Classic Problem Batch 118
scalars N/A Tags: Greedy scalars Dunjudge Archive Batch 118
ancestor N/A Tags: Dynamic Programming, Graph Theory, Trees ancestor Classic problem Batch 118
reciprocals N/A Tags: Constructive Algorithms, Syntax Reciprocals HCI December Course Selection 2021 (huangqr, pavement) Batch 116
lightningrod N/A Tags: Adhoc, Data Structures LightningRod NOI 2018 Batch 116
dinowalk N/A Tags: Graph Theory dinowalk Classic Problem Batch 116
foodchain N/A Tags: Math, Syntax Food Chain Dec Trg 2019 (Elementary) Batch 115
twomeals N/A Tags: Brute Force, Dynamic Programming, Greedy twomeals Dunjudge Archive Batch 115
mountains N/A Tags: Data Structures Mountains NOI 2020 Prelims Batch 114
gift N/A Tags: Syntax gift NOI 2007 Batch 113
boundlessboxes N/A Tags: Graph Theory boundlessboxes Dunjudge Archive Batch 111
choochoo N/A Tags: Syntax Choo Choo RI-HCI Final Contest 2022 (bensonlzl) Batch 111
telepathy N/A Tags: Joke Friendly Telepathy April Fools' 2022 (0rang3) Batch 111
universe N/A Tags: Graph Theory, Trees universe Dunjudge Archive Batch 110
sightseeing N/A Tags: Graph Theory, Trees sightseeing NOI 2014 Batch 110
peakfinding N/A Tags: Syntax Peak Finding UWCOI 2020 (socho, astoria, kimbj0709) Batch 109
magicwand N/A Tags: Graph Theory magicwand Dunjudge Archive Batch 109
bananasmoothie N/A Tags: Greedy Banana Smoothie Dunjudge Archive (shenxy13) Batch 109
generosity N/A Tags: Joke Generosity April Fools' 2022 (oolimry) Batch 108
poi N/A Tags: Syntax poi IOI 2009 Batch 107
globalwarming N/A Tags: Line Sweep/Sliding Window Global Warming NOI 2013 Batch 106
pushups N/A Tags: Math pushups Dunjudge Archive Batch 105
leftright N/A Tags: Data Structures Left and Right Dec Trg 2019 (Elementary) (oolimry) Batch 104
fractions N/A Tags: Syntax fractions Classic Problem (YeoBL20) Batch 103
palindromicfizzbuzz N/A Tags: Syntax Palindromic FizzBuzz NOI 2019 Prelims Batch 101
oranges2 N/A Tags: Graph Theory, Trees oranges2 RI Deccourse 2018 Selection Test (0rang3) Batch 101
collectmushrooms N/A Tags: Syntax collectmushrooms Dunjudge Archive Batch 100
payraise N/A Tags: Graph Theory payraise Dunjudge Archive Batch 100
conversations_easy N/A Tags: Data Structures Zookeeper's Conversations (Easy Version) RI-HCI December Course Selection 2020 (shenxy13) Batch 98
sandd N/A Tags: Binary Search sandd Classic Problem Interactive 98
rotarylock N/A Tags: Data Structures rotarylock HCI NOI Selection Test 2015 Batch 97
1821 N/A Tags: Constructive Algorithms, Graph Theory, Joke, Trees 1821 April Fools' 2021 (zaneyu) Batch 96
amicablecats N/A Tags: Math, Syntax amicablecats Dunjudge Archive Batch 96
eescapism N/A Tags: Adhoc, Math Elementary Escapism Dec Course 2021 Elementary Final Contest (shenxy13) Batch 96
entropy N/A Tags: Greedy, Syntax entropy RI-HCI December Course Selection 2020 (0rang3) Batch 96
omnomnom2 N/A Tags: Graph Theory, Trees omnomnom2 Classic Problem Batch 95
typicalstairs N/A Tags: Dynamic Programming Typical Stairs ABC 129 Batch 95
hashcollision N/A Tags: Joke Hash Collision Hello 2021 (shenxy13) Interactive 95
eelimination N/A Tags: Data Structures Elementary Elimination Dec Course 2021 Elementary Final Contest (shenxy13) Batch 94
badpotato N/A Tags: Dynamic Programming badpotato Dunjudge Archive Batch 94
arrayproblem N/A Tags: Greedy arrayproblem Codeforces Batch 92
grid N/A Tags: Dynamic Programming Grid Atcoder Educational DP Contest Batch 92
razlika N/A Tags: Data Structures, Line Sweep/Sliding Window razlika COCI 2013 Batch 92
explosion N/A Tags: Math explosion Classic Problem Batch 91
pigeonhole N/A Tags: Data Structures pigeonhole Dunjudge Archive Batch 89
chessislands N/A Tags: Graph Theory chessislands NOI 2010 Selection Test Batch 89
candies N/A Tags: Data Structures candies Dunjudge Archive Batch 88
sort N/A Tags: Adhoc sort Classic Problem? Batch 88
bracketsyndrome N/A Tags: Adhoc, Data Structures Bracket Syndrome RI-HCI NOI Selection Test 2019 Batch 88
taxcollection N/A Tags: Greedy, Syntax taxcollection RI-HCI December Course Selection 2020 (JustAWallaby) Batch 88
transform N/A Tags: Brute Force, Dynamic Programming, Graph Theory transform Dunjudge Archive Batch 88
neckties N/A Tags: Data Structures, Greedy Just Long Neckties JOI 2020 Final Round Batch 87
knightmoves N/A Tags: Graph Theory knightmoves Dunjudge Archive Batch 87
ballot N/A Tags: Data Structures ballot Dunjudge Archive Batch 87
smallprimes N/A Tags: Brute Force, Math Small Primes Classic Problem Batch 85
lcm N/A Tags: Math lcm Classic Problem Batch 85
f7 N/A Tags: Greedy F7 COCI 2012/2013 Batch 85
collectmushrooms2 N/A Tags: Data Structures collectmushrooms2 Dunjudge Archive Batch 85
workload N/A Tags: Dynamic Programming December Training Workload Classic Problem Batch 85
wormholes N/A Tags: Dynamic Programming wormholes Dunjudge Archive Batch 85
7up N/A Tags: Syntax 7up RI November Course Stage 2 Selection Test 2019 Batch 84
dyingpolynomial N/A Tags: Binary Search Dying Polynomial RI Nov Sel 2020 (JustAWallaby) Batch 84
inversions N/A Tags: Data Structures, Divide and Conquer inversions Dunjudge Archive Batch 83
conversations N/A Tags: Data Structures Zookeeper's Conversations Singapore Zoo (shenxy13) Batch 83
watching N/A Tags: Binary Search, Dynamic Programming watching JOI Open 2013 Batch 82
routine N/A Tags: Binary Search Routine Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 82
bananafarm N/A Tags: Data Structures bananafarm NOI 2015 Batch 82
housing N/A Tags: Dynamic Programming housing NOI 2008 Batch 81
veryeasyproblem N/A Tags: Joke veryeasyproblem Anderson Fluff Contest (shoryu386) Batch 81
assembly N/A Tags: Dynamic Programming assembly Dunjudge Archive Batch 81
zooqueue N/A Tags: Data Structures Zoo Queue NUS December Training 2021 Diagnostic Test (shenxy13) Batch 80
problematicjourney N/A Tags: Binary Search, Graph Theory Problematic Journey Classic Problem Batch 80
rabbiteatrabbit N/A Tags: Dynamic Programming rabbiteatrabbit Dec Trg 2019 (Elementary) (jamielim) Batch 80
nihonese N/A Tags: Syntax nihonese ISC 2020 practice (errorgorn) Batch 79
727 N/A Tags: Greedy, Math 727 HCI-NUSH NOI Selection 2022 (errorgorn) Batch 79
papaya N/A Tags: Graph Theory papaya Dunjudge Archive Batch 78
labels N/A Tags: Adhoc labels NOI 2020 Finals Batch 78
hamster1 N/A Tags: Dynamic Programming Hamster's Journey Atcoder Educational DP Contest Batch 78
solonim N/A Tags: Math, Syntax Solo Nim Dunjudge Archive Batch 78
4russians N/A Tags: Dynamic Programming 4russians RI-HCI NOI Selection Test 2020 (jamielim) Batch 78
bobek N/A Tags: Bitmask, Meet in the Middle bobek CEOI 2015 Batch 77
rank N/A Tags: Graph Theory rank NOI 2008 Batch 77
nemo N/A Tags: Graph Theory nemo Dunjudge Archive Batch 77
minstack N/A Tags: Data Structures minstack Dunjudge Archive Interactive 77
heatwv N/A Tags: Graph Theory Heat Wave Dunjudge Archive Batch 75
spellofweakness N/A Tags: Binary Search, Greedy, Line Sweep/Sliding Window Spell Of Weakness Dunjudge Archive (dantoh) Batch 75
chinese N/A Tags: Syntax chinese Dunjudge Archive Batch 75
routers N/A Tags: Greedy routers Dunjudge Archive Batch 75
optmilk N/A Tags: Data Structures, Dynamic Programming Optimal Milking Dunjudge Archive Batch 74
pilot N/A Tags: Adhoc, Data Structures pilot NOI 2019 Batch 74
stickytape N/A Tags: Greedy Sticky Tape Classic Problem Batch 73
wabbit N/A Tags: Greedy wabbit RI-HCI-NUSH NOI Selection Test 2021 (oolimry) Batch 73
binaryroads N/A Tags: Graph Theory binaryroads Dunjudge Archive Batch 73
reading N/A Tags: Math, Syntax Reading Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 72
lol N/A Tags: Dynamic Programming lol Dunjudge Archive Batch 71
carrots N/A Tags: Greedy carrots Codeforces Raif Round 1 (errorgorn) Batch 71
coinjourney N/A Tags: Binary Search Coin Journey RI November Course Stage 2 Selection Test 2021 (kym) Batch 71
coke N/A Tags: Dynamic Programming, Greedy Coke NUSH ISC 2020 (errorgorn) Batch 71
hungryrabbits1 N/A Tags: Brute Force, Greedy Hungry Rabbits 1 RI-HCI Final Contest 2022 (bensonlzl) Batch 70
railway N/A Tags: Graph Theory, Trees railway CPSPC 2004 Batch 70
abbb N/A Tags: Greedy abbb Codeforces Raif Round 1 (errorgorn) Batch 70
localexpress N/A Tags: Dynamic Programming localexpress AtCoder Typical DP Contest Batch 69
singlefile N/A Tags: Data Structures singlefile Dunjudge Archive Batch 68
harddisk N/A Tags: Bitmask, Brute Force, Meet in the Middle harddisk 2015 NOI Training Problem-Setter Contest Batch 68
roadsideadverts N/A Tags: Dynamic Programming, Graph Theory, Trees roadsideadverts NOI 2017 Batch 68
lboard N/A Tags: Brute Force, Dynamic Programming L-Board NOI 2022 Qualification Batch 67
orchard N/A Tags: Dynamic Programming, Line Sweep/Sliding Window orchard NOI 2014 Batch 67
train N/A Tags: Dynamic Programming train Dunjudge archive Batch 67
eevacuation N/A Tags: Dynamic Programming, Graph Theory Elementary Evacuation Dec Course 2021 Elementary Final Contest (shenxy13) Batch 67
supplies N/A Tags: Graph Theory supplies Dunjudge Archive Batch 66
smurfpaths N/A Tags: Data Structures, Graph Theory, Trees smurfpaths RI-HCI NOI Selection Test 2020 (rs) Batch 66
digits N/A Tags: Data Structures digits Deccourse 2021 DS II Contest (errorgorn) Batch 66
flappyrabbit N/A Tags: Greedy Flappy Rabbit HCI-NUSH NOI Selection 2022 (pavement) Interactive 66
letters N/A Tags: Dynamic Programming letters Dunjudge Archive Batch 66
inheritance N/A Tags: Binary Search, Graph Theory inheritance JOI 2014/2015 Batch 66
leave N/A Tags: Data Structures leave Dunjudge Archive Batch 65
lostarray N/A Tags: Adhoc, Constructive Algorithms Lost Array NOI 2019 Prelims Batch 65
snakenladder N/A Tags: Dynamic Programming snakenladder Dunjudge Archive Batch 64
0405 N/A Tags: Joke, Math 0405 April Fools' 2021 (zaneyu) Batch 64
simcity N/A Tags: Graph Theory simcity Dunjudge Archive Batch 64
employee N/A Tags: Graph Theory, Trees employee Dunjudge Archive Batch 64
eating N/A Tags: Data Structures Eating Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 64
picnic N/A Tags: Binary Search, Greedy Picnic Codeforces Global Round 17 Batch 64
pandacity N/A Tags: Graph Theory, Greedy pandacity Dunjudge Archive Batch 63
levenshtein N/A Tags: Dynamic Programming levenshtein Classic problem Batch 63
nis N/A Tags: Data Structures, Dynamic Programming nis Dunjudge Archive Batch 63
penguinfood N/A Tags: Data Structures penguinfood Dunjudge Archive Batch 63
deque N/A Tags: Dynamic Programming Deque AtCoder Educational DP Contest Batch 63
workoutplan N/A Tags: Greedy Workout plan Bubble Cup 12 Div 1 Batch 62
exponentiate_ex N/A Tags: Math exponentiate_ex Classic Problem Batch 61
sightseeing2 N/A Tags: Graph Theory, Trees sightseeing2 RI NOI Selection Test 2015 Batch 61
applefarm N/A Tags: Graph Theory applefarm NUSH ISC 2020 (oolimry) Batch 61
stamps N/A Tags: Dynamic Programming stamps Dunjudge Archive Batch 61
towerdefense N/A Tags: Graph Theory towerdefense Dunjudge Archive Batch 61
cookieclickeralpha N/A Tags: Math, Syntax cookieclickeralpha Google Code Jam 2014 Batch 60
rblock N/A Tags: Graph Theory rblock USACO 2011 December Contest, Silver Division Batch 60
unmerge N/A Tags: Dynamic Programming Unmerge Codeforces 1381B Batch 60
commando N/A Tags: Dynamic Programming commando APIO 2010 Batch 60
runway N/A Tags: Binary Search, Graph Theory Jianzhi’s Runway Show RI NOI Selection Test 2017 Batch 60
replacedigits N/A Tags: Data Structures Replace Digits ACL Beginner Contest Batch 60
guessqueue N/A Tags: Brute Force, Data Structures Guess the Queue Kattis (modified) (ryangohca) Batch 60
entropy2 N/A Tags: Adhoc, Brute Force entropy2 RI December Course Selection Test 2021 (kym) Batch 59
hacking N/A Tags: Graph Theory Hacking Classic problem (fyss006) Batch 58
justright N/A Tags: Binary Search justright Dunjudge Archive Batch 57
christmasfeast N/A Tags: Adhoc Christmas Feast Educational Round 2 (errorgorn) Batch 57
levelingup N/A Tags: Dynamic Programming Leveling Up RI November Course Stage 2 Selection Test 2021 (ryangohca) Batch 57
ping N/A Tags: Syntax ping RI HCI NOI Selection 2019 Practice (bensonlzl) Interactive 56
iqtest N/A Tags: Math iqtest Valentine's Day Contest 2022 (errorgorn) Batch 56
lualectures N/A Tags: Constructive Algorithms, Greedy Lua Lectures Classic Problem Batch 56
lunchcombo N/A Tags: Binary Search, Greedy lunchcombo RI November Course Stage 2 Selection Test 2019 Batch 56
summarising2020 N/A Tags: Information Theory, Joke Summarising 2020 Hello 2021 (shenxy13) Interactive 56
flights N/A Tags: Graph Theory flights Dunjudge Archive Batch 56
fireandbeary N/A Tags: Graph Theory fireandbeary Dunjudge Archive (jamielim) Batch 56
deathray N/A Tags: Data Structures deathray Dec Trg 2019 (Elementary) (shenxy13) Batch 55
greenbeans N/A Tags: Adhoc, Math, Syntax Green Beans Mayhem RI November Course Stage 2 Selection Test 2021 (ryangohca, kym) Batch 55
oridance N/A Tags: Dynamic Programming Orientation Dance Codeforces 1509C Batch 55
padoru N/A Tags: Graph Theory Hashire Sori Yo! Dec Course 2020 BAPS (peaceknight05) Batch 55
graphcraft N/A Tags: Graph Theory graphcraft Dunjudge Archive Interactive 55
drones N/A Tags: Graph Theory Drones HCI December Course Selection 2021 (cstuart) Batch 55
variety N/A Tags: Dynamic Programming variety RI November Course Stage 2 Selection Test 2019 Batch 55
samelength N/A Tags: Joke Same Length Hello 2021 (errorgorn) Batch 54
mandarins N/A Tags: Math Mandarins 2020 CNY Batch 54
erp N/A Tags: Graph Theory erp Dunjudge Archive Batch 54
purplecandy N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Purple Candy Classic Problem (shenxy13, ryangohca) Batch 53
clique N/A Tags: Data Structures clique Algorithm Class Mini-Contest 8 Batch 53
charges N/A Tags: Graph Theory Experimental Charges NOI 2019 Prelims Batch 53
collectmushrooms3 N/A Tags: Data Structures collectmushrooms3 Dunjudge Archive Batch 53
commonsubstring N/A Tags: Dynamic Programming commonsubstring Dunjudge Archive Batch 53
vainish N/A Tags: Dynamic Programming Vanish 2015-2016 NOI Training Diagnostic Test Batch 53
goodseq N/A Tags: Data Structures goodseq Dunjudge Archive Batch 53
logs N/A Tags: Binary Search logs AtCoder Batch 52
iqtest3 N/A Tags: Constructive Algorithms, Graph Theory iqtest3 AGC 50A Batch 52
peddler N/A Tags: Dynamic Programming, Graph Theory Peddler ABC 188 Batch 52
boundedpermutation N/A Tags: Adhoc, Dynamic Programming, Math Bounded Permutation HCI-NUSH NOI Selection 2022 (maomao90) Batch 51
ihate1111 N/A Tags: Adhoc, Math I Hate 1111 Codeforces Round 723 (errorgorn) Batch 51
travel N/A Tags: Greedy Travel CCO 2015 Batch 51
quillvsowl N/A Tags: Adhoc, Line Sweep/Sliding Window Quill Vs Owl Dec Course 2020 BAPS (jamielim) Batch 51
fraud N/A Tags: Adhoc, Math fraud NOI 2021 Finals Batch 50
history N/A Tags: Dynamic Programming history Dunjudge Archive Batch 50
ljll N/A Tags: Math LJLL NUSH ISC 2020 (errorgorn) Batch 50
towers N/A Tags: Data Structures, Dynamic Programming towers Codeforces 474E Batch 50
stones N/A Tags: Graph Theory, Trees stones Dunjudge Archive Batch 49
bosses N/A Tags: Brute Force, Graph Theory, Greedy, Trees bosses BOI 2016 Batch 49
poklon N/A Tags: Data Structures, Square Root Decomposition poklon COCI 2016/2017 Batch 49
buygifts N/A Tags: Binary Search buygifts Codeforces 1619D Batch 49
supermarket N/A Tags: Data Structures, Line Sweep/Sliding Window supermarket RI Dec Course Sel 2017 Batch 48
eatcake N/A Tags: Divide and Conquer Eating Cake Educational Codeforces Round 94 Batch 48
numericalstrings N/A Tags: Greedy, Math numericalstrings RI November Course Stage 2 Selection Test 2019 Batch 48
ultimateifelse N/A Tags: Syntax Ultimate ifelse ANDSS Contest 1 (Syntax) (LCJLY) Batch 48
construct N/A Tags: Dynamic Programming, Graph Theory Constructing Birthday Presents RI-HCI-NUSH NOI Selection Test 2021 (0rang3) Batch 48
divisibility N/A Tags: Dynamic Programming divisibility Dunjudge Archive Batch 47
snowball N/A Tags: Greedy, Syntax snowball ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 47
walking N/A Tags: Dynamic Programming walking NOI 2012 Batch 47
sherlockinversions N/A Tags: Data Structures, Square Root Decomposition sherlockinversions Dunjudge Archive Batch 46
catchingcheaters N/A Tags: Dynamic Programming Catching Cheaters Codeforces Round 683 (Div 1) Batch 46
monopoly N/A Tags: Dynamic Programming monopoly Dunjudge Archive Batch 46
crypto N/A Tags: Data Structures crypto NOI 2020 Qualification Batch 46
1503 N/A Tags: Adhoc, Joke 1503 April Fools' 2021 (jamielim) Batch 46
fruitsequences N/A Tags: Adhoc, Data Structures Fruit Sequences Codeforces Raif Round 1 (bensonlzl) Batch 46
lineup2 N/A Tags: Syntax Lineup RI Problem Setter Contest 2019 (rs) Batch 45
rectangleoutline N/A Tags: Dynamic Programming, Line Sweep/Sliding Window Rectangle Outline USACO 2016 January Contest, Platinum Batch 45
optimalsubseq N/A Tags: Binary Search, Data Structures optimalsubseq Codeforces 1227D2 Batch 45
nicenumber N/A Tags: Joke nicenumber Anderson Fluff Contest (haydendoo) Batch 45
singleflip N/A Tags: Syntax Single Flip TROC 24 (maomao90) Batch 45
frog3 N/A Tags: Dynamic Programming Frog 3 Atcoder Educational DP Contest Batch 44
lps N/A Tags: Dynamic Programming lps Dunjudge Archive Batch 44
cheerleaders N/A Tags: Dynamic Programming cheerleaders Atcoder Educational DP Contest Batch 44
pairs N/A Tags: Binary Search pairs AtCoder Beginner Contest 155 Batch 44
dna_ioi N/A Tags: Adhoc Mutating DNA IOI 2021 Interactive 44
luarulers N/A Tags: Greedy Lua Rulers Codeforces 1748C Batch 44
hungryrabbits2 N/A Tags: Data Structures Hungry Rabbits 2 RI-HCI Final Contest 2022 (bensonlzl) Batch 43
numbers N/A Tags: Dynamic Programming Palindrome-Free Numbers BOI 2013 Batch 43
xorb N/A Tags: Math, Syntax xorb Dunjudge Archive Batch 43
telephone N/A Tags: Syntax Telephone Game ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 43
bookshelf N/A Tags: Data Structures bookshelf Dunjudge Archive Batch 43
penguinislands N/A Tags: Dynamic Programming, Graph Theory penguinislands Dunjudge Archive Batch 42
guards N/A Tags: Divide and Conquer, Dynamic Programming Guards Dunjudge archive Batch 42
sterilizing N/A Tags: Data Structures sterilizing JOI 2014/15 Batch 42
snapknack N/A Tags: Dynamic Programming snapknack Dunjudge Archive Batch 42
ladybugs N/A Tags: Dynamic Programming ladybugs Dunjudge Archive Batch 42
deletingnumbers N/A Tags: Constructive Algorithms, Greedy Deleting Numbers Grand Prix of Urals Batch 42
skillmoves N/A Tags: Data Structures, Greedy skillmoves RI November Course Stage 2 Selection Test 2019 Batch 42
ballgame N/A Tags: Data Structures, Dynamic Programming ballgame Dunjudge Archive Interactive 41
buycomputer N/A Tags: Greedy, Syntax buycomputer Dec Trg 2019 (Elementary) (errorgorn) Batch 41
nonboringsequences N/A Tags: Divide and Conquer nonboringsequences Dunjudge Archive Batch 41
kthsubstring N/A Tags: Adhoc kthsubstring ARC 097 Batch 41
closedrooms N/A Tags: Adhoc, Graph Theory closedrooms AtCoder Grand Contest 014 Batch 41
jumpontree N/A Tags: Graph Theory, Trees jumpontree yosupo's judge Batch 41
letterstamper N/A Tags: Dynamic Programming Letter Stamper Google Code Jam 2010 (modified) Batch 40
unluckyfloors N/A Tags: Dynamic Programming unluckyfloors NOI 2016 Batch 40
treepruning N/A Tags: Brute Force, Graph Theory, Trees Tree Pruning Codeforces 1593E Batch 40
aircon N/A Tags: Data Structures aircon Codeforces Round #757 (Div. 2) Batch 39
bacteria N/A Tags: Data Structures bacteria Dunjudge Archive Batch 39
firelord N/A Tags: Dynamic Programming firelord RI Nov Sel 2020 (jiahng) Batch 39
garden N/A Tags: Graph Theory Garden Cat RI November Course Stage 2 Selection Test 2022 (tux, ryangohca) Batch 39
convexhull N/A Tags: Data Structures Convex Hull Classic Problem (ryangohca) Batch 39
knapsack N/A Tags: Dynamic Programming Knapsack NOI 2018 Prelims Batch 39
stories N/A Tags: Dynamic Programming, Graph Theory Stories Cat RI November Course Stage 2 Selection Test 2022 (AJR) Batch 39
pizzeria N/A Tags: Data Structures Pizzeria Queries CSES Batch 39
performance N/A Tags: Math Performance NUSH ISC 2020 (oolimry) Batch 38
rubies N/A Tags: Binary Search rubies Dunjudge Archive (pwypeanut) Batch 38
swayingflowers N/A Tags: Math, Syntax swayingflowers ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 38
examinations N/A Tags: Data Structures examinations JOI Batch 38
candyboxes N/A Tags: Data Structures candyboxes Rujia Liu's Present 3 (Kattis) Batch 37
exhibition N/A Tags: Greedy Exhibition JOI 2018/2019 Final Round Batch 37
rainbowrabbit N/A Tags: Adhoc, Greedy rainbowrabbit RI-HCI December Course Selection 2019 (bensonlzl) Batch 37
manycolours N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees manycolours ABC 133 Batch 37
modsum N/A Tags: Dynamic Programming, Math modsum NOI 2012 Batch 37
scanner N/A Tags: Dynamic Programming scanner Dunjudge Archive Batch 37
subknapsack N/A Tags: Dynamic Programming Knapsack for All Subsets Atcoder Beginner Contest 169 Batch 37
restaurant N/A Tags: Greedy restaurant Dunjudge Archive Batch 37
1402 N/A Tags: Adhoc, Joke 1402 April Fools' 2021 (bensonlzl) Batch 37
rootedlca N/A Tags: Graph Theory, Trees Rooted LCA folklore (errorgorn) Batch 37
brackets N/A Tags: Greedy, Slope Trick Bracket Subsequence Classic Problem (zengminghao) Batch 36
spaceinvaders N/A Tags: Brute Force, Data Structures, Dynamic Programming, Line Sweep/Sliding Window spaceinvaders Educational Round 1 (bensonlzl) Batch 36
skyline N/A Tags: Graph Theory, Greedy skyline HCI NOI Selection Retest 2020 (bensonlzl) Batch 36
homeworkextension N/A Tags: Syntax homeworkextension ANDSS Contest 1 (Syntax) (Josh28) Batch 36
bracketscore N/A Tags: Greedy bracketscore AGC48 Batch 36
dquery N/A Tags: Data Structures, Square Root Decomposition dquery Classic Problem Batch 35
primepie N/A Tags: Math primepie Dunjudge Archive Interactive 35
goinghome_agc N/A Tags: Data Structures, Greedy goinghome_agc AGC 023 Batch 35
gridgame N/A Tags: Graph Theory gridgame Dunjudge Archive Batch 35
hoofpaperscissor N/A Tags: Dynamic Programming Hoof, Paper, Scissors USACO 2017 January Contest, Gold Batch 35
ferries N/A Tags: Graph Theory ferries NOI 2013 Batch 35
girlfriend N/A Tags: Dynamic Programming, Graph Theory girlfriend Dunjudge Archive Batch 34
naptime N/A Tags: Graph Theory, Greedy naptime RI-HCI December Course Selection 2020 (cstuart) Batch 34
primesort N/A Tags: Graph Theory, Math Prime Sort Dunjudge Archive Batch 34
tourist N/A Tags: Data Structures, Greedy tourist IOI 2012 Practice Tasks Batch 34
badnim N/A Tags: Explicitly Excluded (from IOI), Math badnim Educational Round 7 (errorgorn) Batch 34
basketball N/A Tags: Binary Search, Greedy basketball NUSH ISC 2020 (dantoh) Batch 34
square_ioi N/A Tags: Dynamic Programming square_ioi IOI 2014 Practice Interactive 34
lazycat N/A Tags: Bitmask, Dynamic Programming, Graph Theory lazycat Dunjudge Archive Batch 34
fractionalmultiset N/A Tags: Dynamic Programming Fractional Multiset ARC 107 Batch 34
kfc N/A Tags: Math, Syntax kfc ANDSS Contest 1 (Syntax) (haydendoo) Batch 34
decayedbridges N/A Tags: Graph Theory decayedbridges Dunjudge Archive Batch 34
pokenumbers N/A Tags: Math pokenumbers Dunjudge Archive Batch 34
change N/A Tags: Greedy change NOI 2011 Batch 33
growingtrees N/A Tags: Binary Search, Data Structures growingtrees BOI 2011 Batch 33
swimming N/A Tags: Graph Theory Constructing a Swimming Pool RI-HCI-NUSH NOI Selection Test 2021 (0rang3) Batch 33
lemmas N/A Tags: Graph Theory lemmas Educational Round 1 (errorgorn) Batch 32
lasers N/A Tags: Adhoc, Data Structures lasers NOI 2019 Batch 32
special N/A Tags: Dynamic Programming special Dunjudge Archive Batch 32
warp N/A Tags: Bitmask, Dynamic Programming warp HCI NOI Selection Retest 2020 (bensonlzl) Batch 32
obstacletree N/A Tags: Dynamic Programming, Graph Theory, Greedy, Trees obstacletree Codeforces 1528A Batch 32
smallprimes_ex N/A Tags: Meet in the Middle Small Primes? Classic Problem? Batch 32
armpit N/A Tags: Adhoc armpit RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 32
grassplant N/A Tags: Data Structures, Graph Theory, Trees Grass Planting Dunjudge Archive Batch 32
adjacentswaps N/A Tags: Brute Force, Greedy Adjacent Swaps Dunjudge Archive (shenxy13) Batch 32
pokeadd N/A Tags: Math pokeadd Dunjudge Archive Batch 32
cardtrick N/A Tags: Data Structures Card Trick Classic Problem (oolimry) Batch 32
train_ex N/A Tags: Dynamic Programming train_ex Dunjudge Archive Batch 32
llis N/A Tags: Dynamic Programming Longest LIS NUSH NOI Selection Test 2018 Batch 32
bank N/A Tags: Bitmask, Dynamic Programming Bank IZhO 2014 Day 1 Batch 31
discharging N/A Tags: Data Structures, Dynamic Programming discharging NOI 2020 Finals Batch 31
lfs N/A Tags: Dynamic Programming, Math Longest Factor Subsequence Educational Round 5 (errorgorn) Batch 31
election N/A Tags: Data Structures, Dynamic Programming election Dunjudge Archive Batch 31
bracketsuperseq N/A Tags: Dynamic Programming Shortest Bracket Supersequence Codeforces 1272F Batch 30
iqtest2 N/A Tags: Math iqtest2 April Fools' 2022 (errorgorn) Batch 30
modulochain N/A Tags: Math, Syntax modulochain Anderson Trg (shoryu386) Batch 30
redblacktree N/A Tags: Adhoc, Graph Theory, Trees redblacktree Codeforces 1156D Batch 30
pigeonnests N/A Tags: Data Structures, Graph Theory, Trees pigeonnests RSA Fun Contest (shenxy13) Batch 30
feedthewallabies N/A Tags: Graph Theory Feed the Wallabies RI December Course Selection Test 2021 (syy) Batch 30
malcolm N/A Tags: Line Sweep/Sliding Window malcolm COCI 2012/2013 Batch 30
gwynethandtree N/A Tags: Divide and Conquer, Graph Theory, Trees Gwyneth and Tree Codeforces 342E Batch 30
pythonindentation N/A Tags: Dynamic Programming pythonindentation Codeforces 909C Batch 29
bingo N/A Tags: Adhoc, Constructive Algorithms Bingo Grand Prix of Daejeon Batch 29
christmaxtrees N/A Tags: Graph Theory, Greedy christmaxtrees Codeforces 1283D Batch 29
fruits N/A Tags: Data Structures, Greedy fruits Dunjudge Archive Batch 29
gymbadges N/A Tags: Dynamic Programming, Greedy Gym Badges NOI 2022 Finals Batch 29
fuelstation N/A Tags: Data Structures fuelstation NOI 2020 Qualification Batch 29
appeal N/A Tags: Data Structures appeal Dunjudge Archive Batch 29
hole N/A Tags: Binary Search, Dynamic Programming hole Dunjudge Archive Batch 29
bunnyscore N/A Tags: Adhoc, Data Structures bunnyscore RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Interactive 29
candyshop N/A Tags: Data Structures candyshop Classic Problem Batch 29
votingcities N/A Tags: Bitmask, Graph Theory Voting Cities NOI 2022 Finals Batch 29
addone N/A Tags: Dynamic Programming Add One Codeforces 1513C Batch 29
troubles N/A Tags: Adhoc, Data Structures, Dynamic Programming troubles Dunjudge Archive Batch 29
sortbooks N/A Tags: Data Structures sortbooks IZhO 2019 Batch 28
feast N/A Tags: Dynamic Programming, Greedy feast NOI 2019 Batch 28
parade N/A Tags: Dynamic Programming, Graph Theory, Trees parade Dunjudge Archive Batch 28
journey3 N/A Tags: Dynamic Programming Journey NOI 2018 Batch 28
bosubaiko N/A Tags: Adhoc, Greedy Bosu Baiko Educational Round 6 (errorgorn) Batch 28
shortest N/A Tags: Explicitly Excluded (from IOI), Math shortest Dunjudge Archive Batch 28
cudak N/A Tags: Binary Search, Dynamic Programming cudak COCI 2007/2008 Batch 28
fortunetelling N/A Tags: Data Structures Fortune Telling 2 JOI 2014 Batch 28
wallabyhop N/A Tags: Data Structures, Line Sweep/Sliding Window Wallaby Hop RI December Course Selection Test 2021 (jiahng) Batch 28
treecutting N/A Tags: Brute Force, Graph Theory, Trees Tree Cutting NOI 2022 Qualification Batch 28
duckduckgo N/A Tags: Greedy duckduckgo Codeforces 1091F Batch 28
duckwander N/A Tags: Syntax duckwander ANDSS Contest 1 (Syntax) (shoryu386) Batch 28
mugger N/A Tags: Dynamic Programming mugger RI Problem Setter Contest 2019 (ngmh) Batch 28
stackweights N/A Tags: Data Structures stackweights CSES Problem Set Batch 28
dice N/A Tags: Math Dice Dec Course 2021 BAPS (origami100, dillion) Batch 28
riggedroads N/A Tags: Graph Theory, Greedy, Trees riggedroads NOI 2019 Batch 28
beautifulbrackets N/A Tags: Dynamic Programming Beautiful Bracket Sequence Codeforces 1264D1 Batch 27
eexploration N/A Tags: Graph Theory Elementary Exploration Dec Course 2021 Elementary Final Contest (shenxy13) Batch 27
ducknuggetconvention N/A Tags: Data Structures, Divide and Conquer Duck Nugget Convention Valentines Contest 2021 (oolimry) Batch 27
modules N/A Tags: Binary Search, Data Structures, Dynamic Programming, Line Sweep/Sliding Window modules NUSH NOI Selection Test 2018 Batch 27
mathtree N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Math Tree SGP Sparring 2021 (lovemathboy) Batch 27
doubletrouble N/A Tags: Data Structures, Greedy Double Trouble Dec Trg 2019 (Elementary) (oolimry) Batch 27
guessproblem N/A Tags: Information Theory, Joke Guess Problem peepeepoopoo (Potato3218, ryangohca) Batch 27
simpletask N/A Tags: Data Structures A Simple Task Codeforces 558E Batch 27
removeelements N/A Tags: Binary Search, Data Structures removeelements Codeforces Round #668 Batch 27
snail N/A Tags: Adhoc, Syntax Snail NOI 2018 Prelims Batch 27
indivisibility N/A Tags: Math indivisibility Dunjudge Archive Batch 27
perfectprimes N/A Tags: Math perfectprimes Anderson Fluff Contest (Josh28, shoryu386) Batch 27
catleap N/A Tags: Graph Theory catleap Dunjudge Archive Batch 27
tour N/A Tags: Bitmask, Dynamic Programming, Graph Theory tour NOI 2011 Batch 27
snakesnack2 N/A Tags: Line Sweep/Sliding Window snakesnack2 RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 27
treepruning2 N/A Tags: Graph Theory, Greedy, Trees Pruning Trees Codeforces 1593E (modified) (ecxx) Batch 27
bottle N/A Tags: Dynamic Programming, Graph Theory, Trees Bottle Dunjudge Archive Batch 26
promotion N/A Tags: Data Structures, Graph Theory, Trees Promotion Counting USACO 2017 Jan, Platinum Batch 26
bridge_apio15 N/A Tags: Data Structures Palembang Bridges APIO 2015 Batch 26
candies_joi N/A Tags: Adhoc, Greedy candies_joi JOI 2017/2018 Spring Camp Batch 26
progression N/A Tags: Data Structures progression NOI 2020 Finals Batch 26
potionseasy N/A Tags: Dynamic Programming, Greedy Potions (Easy Version) Codeforces Round 723 (errorgorn, oolimry) Batch 26
deliveroo N/A Tags: Data Structures, Greedy Deliveroo RI November Course Stage 2 Selection Test 2021 (Deadeye) Batch 26
relaymarathon N/A Tags: Brute Force, Graph Theory relaymarathon NOI 2020 Qualification Batch 26
rolling N/A Tags: Dynamic Programming, Graph Theory, Trees Rolling Dunjudge Archive Batch 26
firefighting N/A Tags: Dynamic Programming, Graph Theory, Trees firefighting NOI 2020 Qualification Batch 25
gotoubun N/A Tags: Data Structures, Dynamic Programming gotoubun folklore (errorgorn) Batch 25
multipaths N/A Tags: Dynamic Programming, Graph Theory, Trees Multiple Paths Dunjudge Archive Batch 25
pavement N/A Tags: Constructive Algorithms, Greedy Painting Pavements HCI December Course Selection 2021 (pavement) Batch 25
moosic N/A Tags: Data Structures moosic Codeforces Round #386 Batch 25
appletree N/A Tags: Graph Theory appletree Dunjudge Archive Batch 25
potionshard N/A Tags: Greedy Potions (Hard Version) Codeforces Round 723 (errorgorn, oolimry) Batch 24
luckynumbers2 N/A Tags: Math luckynumbers2 Dec Course Final Contest 2017 Batch 24
assignpaths N/A Tags: Binary Search, Graph Theory, Greedy, Trees assignpaths USACO 2020 February Contest, Platinum Batch 24
dogmonkey N/A Tags: Math dogmonkey ABC 065C Batch 24
closingshop N/A Tags: Dynamic Programming, Graph Theory Closing Shop Codeforces 721C Batch 24
reopening N/A Tags: Constructive Algorithms, Graph Theory, Trees Reopening Shop Dec Course 2022 BAPS (errorgorn, Halogen) Batch 24
smurfberries N/A Tags: Binary Search smurfberries All-Ukrainian School Olympiad in Informatics 2011 Batch 24
container N/A Tags: Square Root Decomposition Shipping Containers POI 2017 Round 2 Day 2 Q1 Batch 24
cake N/A Tags: Brute Force, Data Structures cake CEOI 2014 Batch 24
kusac N/A Tags: Math, Syntax kusac COCI 2013/2014 Batch 24
postcard N/A Tags: Dynamic Programming postcard Codeforces 4D Batch 24
numberfun N/A Tags: Dynamic Programming numberfun Dunjudge Archive Batch 23
installingapps N/A Tags: Dynamic Programming, Greedy Installing Apps NWERC 2017 Batch 23
ants N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees ants Dunjudge Archive Interactive 23
mathtest N/A Tags: Math, Syntax mathtest Dunjudge Archive Batch 23
boxes_hkicpc N/A Tags: Graph Theory, Trees Boxes 2016 ACM ICPC Asia Hong Kong Regional Batch 23
bananafever N/A Tags: Dynamic Programming, Graph Theory, Trees bananafever Dunjudge Archive Batch 23
chunlian N/A Tags: Data Structures chunlian Dunjudge Archive Batch 23
guessarray N/A Tags: Adhoc 4sadfaces Guessing an Array Dec Course 2020 BAPS (zaneyu) Interactive 23
rarsum N/A Tags: Dynamic Programming rarsum Raffles Cat Helping Contest 2013 Batch 23
race N/A Tags: Divide and Conquer, Trees Race IOI 2011 Interactive 23
jams N/A Tags: Data Structures Jams Algorithm Class Mini-Contest 8 Batch 23
cave N/A Tags: Binary Search cave IOI 2013 Interactive 22
jumping2 N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Jumping Dunjudge Archive Batch 22
combo N/A Tags: Adhoc Combo IOI 2018 Interactive 22
triusis N/A Tags: Data Structures, Dynamic Programming Rabbit Carrot Lithuanian Olympiad in Informatics 2019 Batch 22
dna N/A Tags: Dynamic Programming DNA APIO 2008 Batch 22
rmq N/A Tags: Data Structures, Greedy rmq NOI 2017 Batch 22
sequence_apio N/A Tags: Dynamic Programming Split the sequence APIO 2014 Batch 22
merchant_o N/A Tags: Dynamic Programming, Slope Trick Merchant Otter Dec Course 2020 BAPS (myrcella) Batch 22
inversemax N/A Tags: Bitmask, Dynamic Programming inversemax Educational Round 3 (errorgorn) Batch 22
buycoke N/A Tags: Dynamic Programming Buying Coke Kattis Batch 22
hellokitty N/A Tags: Binary Search, Data Structures, Math hellokitty Dunjudge Archive Batch 22
fourbuckets N/A Tags: Adhoc, Math Four Buckets Educational Round 6 (oolimry) Batch 22
stringsofimpurity N/A Tags: Binary Search stringsofimpurity AtCoder Batch 22
partitiongame N/A Tags: Data Structures, Dynamic Programming Partition Game Codeforces 1527E Batch 22
pillars N/A Tags: Data Structures Pillars RI December Course Selection Test 2021 (rs) Batch 22
prefixgcd N/A Tags: Adhoc, Brute Force, Math prefixgcd Dec Course 2021 BAPS (jiahng) Batch 22
bucketstacking N/A Tags: Adhoc, Greedy Bucket Stacking RI-HCI-NUSH NOI Selection Test 2021 (oolimry) Batch 22
removeedges N/A Tags: Graph Theory removeedges Atcoder Batch 22
selectingintervals N/A Tags: Binary Search, Dynamic Programming selectingintervals Codeforces 1055E Batch 22
lppfnlcst N/A Tags: Binary Search, Data Structures Lazy Propagation Persistant Fat Nodes Li Chao Segment Tree Educational Round 1 (errorgorn) Batch 22
berlandtaxi N/A Tags: Data Structures Berland.Taxi NEERC 2017 Southern Subregional Contest Batch 21
tiles N/A Tags: Bitmask, Data Structures, Dynamic Programming tiles NOI 2021 Finals Batch 21
baseplans_ex N/A Tags: Data Structures baseplans_ex UWCOI 2020 (socho, astoria, kimbj0709) Batch 21
gerrymandering N/A Tags: Dynamic Programming Gerrymandering Dec Course 2021 BAPS (beepbeepsheep) Batch 21
vouchers N/A Tags: Dynamic Programming vouchers Dunjudge Archive Batch 21
snowcow N/A Tags: Data Structures, Graph Theory, Trees Snowcow USACO 2019 December Contest Platinum Batch 21
fencing N/A Tags: Data Structures, Line Sweep/Sliding Window, Square Root Decomposition fencing RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 21
index N/A Tags: Binary Search, Data Structures index COCI 2020/2021 Contest 6 Batch 21
lratio N/A Tags: Data Structures, Dynamic Programming L + Ratio Алгоритм 2022 Batch 21
radioactive N/A Tags: Divide and Conquer, Dynamic Programming radioactive NOI 2015 Batch 21
horses N/A Tags: Data Structures, Math horses IOI 2015 Interactive 21
openingshop N/A Tags: Greedy Opening Shop Dec Course 2021 BAPS (Halogen) Batch 21
toll N/A Tags: Data Structures, Dynamic Programming toll BOI 2017 Batch 21
password N/A Tags: Data Structures, Dynamic Programming, Greedy, Slope Trick password NOI 2021 Finals Batch 21
nou N/A Tags: Adhoc no "u" December Course 2018 Elementary Final Contest (bensonlzl) Batch 21
countingagain N/A Tags: Dynamic Programming, Math Counting Again ARC 104D Batch 21
packaging N/A Tags: Data Structures, Greedy, Math Packaging Codeforces 1690E Batch 21
sailor N/A Tags: Graph Theory sailor CPSPC 2010 Batch 21
socks N/A Tags: Adhoc, Syntax socks December Course 2018 Elementary Final Contest (Damian) Batch 20
nostatement N/A Tags: Joke, Math nostatement Dunjudge Archive Batch 20
lampposts N/A Tags: Binary Search lampposts Dunjudge Archive Interactive 20
housevisit N/A Tags: Dynamic Programming, Graph Theory, Trees housevisit CNY Contest 2019 (bensonlzl) Batch 20
rabbitpainting N/A Tags: Greedy rabbitpainting Dunjudge Archive (bensonlzl) Batch 20
cowland N/A Tags: Data Structures, Graph Theory, Trees Cow Land USACO 2019 February Contest, Gold Batch 20
lemonadestand N/A Tags: Greedy lemonadestand Dunjudge Archive Batch 20
feelgood N/A Tags: Dynamic Programming Feel Good Luogu P2602 Batch 20
celldivision N/A Tags: Binary Search, Math celldivision Random Idea (shoryu386) Batch 20
plagia N/A Tags: Data Structures plagia December Course 2018 Advanced Final Contest Batch 20
infiniteloop N/A Tags: Graph Theory Infinite Looping Sequence 2017 RI Dec Course Sel (pwypeanut) Batch 20
exoticplants N/A Tags: Graph Theory Exotic Plants Luogu P4568 [JLOI2011] Batch 20
arraypartition N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window arraypartition Codeforces 487B Batch 19
hdb N/A Tags: Data Structures, Dynamic Programming hdb Dunjudge Archive Batch 19
bigbinarytree N/A Tags: Greedy Big Binary Tree RI-HCI Final Contest 2022 (bensonlzl) Batch 19
puttingstrings N/A Tags: Constructive Algorithms, Graph Theory puttingstrings RI-HCI December Course Selection 2020 (rs) Batch 19
swap N/A Tags: Graph Theory, Trees Swapping Cities APIO 2020 Interactive 19
mate N/A Tags: Graph Theory mate RSA Fun Contest (errorgorn) Batch 19
binomial N/A Tags: Math binomial Dunjudge Archive Batch 19
doubleflip N/A Tags: Adhoc Double Flip TROC 24 (errorgorn) Batch 19
hunter N/A Tags: Graph Theory, Trees Hunter Dunjudge Archive (bensonlzl) Interactive 19
beacon N/A Tags: Dynamic Programming, Math Beacon Towers Grand Prix of Seoul Batch 19
artswap N/A Tags: Data Structures artswap HCI NOI Selection Retest 2020 (bensonlzl) Interactive 19
belittle N/A Tags: Dynamic Programming belittle ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 18
snakesnack N/A Tags: Dynamic Programming, Greedy snakesnack Codeforces 1239E Batch 18
catnames N/A Tags: Math catnames RI/RJC NOI Selection Test 2016 Batch 18
mining N/A Tags: Graph Theory mining Dunjudge Archive Batch 18
boring N/A Tags: Dynamic Programming boring Dunjudge Archive Batch 18
arrangetoys N/A Tags: Graph Theory, Math Arranging Toy Displays AGC 016D Batch 18
jumper N/A Tags: Brute Force, Data Structures, Line Sweep/Sliding Window Manhattan Jumper HCI-NUSH NOI Selection 2022 (errorgorn) Batch 18
pancake N/A Tags: Brute Force, Graph Theory pancake NOI 2012 Batch 18
addk N/A Tags: Data Structures, Math addk EJOI 2021 Batch 18
collectmushrooms4 N/A Tags: Data Structures, Dynamic Programming collectmushrooms4 Dunjudge Archive Batch 18
bombing2 N/A Tags: Graph Theory bombing2 Dunjudge Archive Batch 18
globalwarming_ceoi N/A Tags: Data Structures, Dynamic Programming Global warming CEOI 2018 Batch 18
atm N/A Tags: Graph Theory The Great ATM Robbery APIO 2009 Batch 18
obstacles N/A Tags: Binary Search, Dynamic Programming obstacles Codeforces 360B Batch 18
woodcutter N/A Tags: Brute Force, Data Structures Woodcutter Codeforces 527C (modified) Interactive 18
summarizing2021 N/A Tags: Explicitly Excluded (from IOI) 🗿🗿🗿 Hello 2022 (errorgorn) Interactive 17
removalcosts N/A Tags: Adhoc, Greedy, Math Removal Costs Dec Course 2022 BAPS (maomao90) Batch 17
village N/A Tags: Graph Theory, Greedy, Trees village BOI 2020 Batch 17
rabbitbars N/A Tags: Binary Search, Data Structures, Divide and Conquer, Dynamic Programming rabbitbars Dunjudge Archive (bensonlzl) Batch 17
divsum N/A Tags: Math Divisor Sum Educational Round 1 (errorgorn) Batch 17
umbrella N/A Tags: Dynamic Programming umbrella USACO Silver Dec 2011 Batch 17
mice N/A Tags: Graph Theory mice Dunjudge Archive Batch 17
safety N/A Tags: Dynamic Programming, Slope Trick Safety NOI 2018 Batch 17
chocolate N/A Tags: Dynamic Programming chocolate Dunjudge Archive Batch 17
battleship N/A Tags: Bitmask, Constructive Algorithms, Divide and Conquer Battleship HCI-NUSH NOI Selection 2022 (errorgorn) Interactive 17
triangles N/A Tags: Graph Theory, Square Root Decomposition Counting Triangles Classic Problem Batch 17
mushroomfarm N/A Tags: Binary Search, Dynamic Programming Jianzhi’s Mushroom Farm RI NOI Selection Test 2017 Batch 17
power N/A Tags: Dynamic Programming, Graph Theory, Trees power JOI Batch 17
merchant N/A Tags: Binary Search, Dynamic Programming, Graph Theory Travelling Merchant APIO 2017 Batch 17
coingame N/A Tags: Adhoc, Explicitly Excluded (from IOI) coingame NTST 2015 Batch 17
mamamintaplusa N/A Tags: Greedy mama MINta PLUSa Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 17
interestring N/A Tags: Dynamic Programming, Math interestring RI-HCI December Course Selection 2020 (cstuart) Batch 17
republiccity N/A Tags: Graph Theory Republic City RI Nov Sel 2020 (JustAWallaby) Batch 17
naan N/A Tags: Greedy, Math naan JOI 2018/2019 Spring Camp Batch 17
rebuild N/A Tags: Constructive Algorithms, Graph Theory, Greedy rebuild RI-HCI-NUSH NOI Selection Test 2021 (shenxy13) Interactive 16
football N/A Tags: Dynamic Programming football Anderson Fluff Contest (LCJLY) Batch 16
nian N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Nian 2020 CNY (oolimry) Batch 16
spy N/A Tags: Data Structures, Graph Theory, Trees spy 2013 IOI Japan National Team Selection Test Day 2 Batch 16
bombing N/A Tags: Graph Theory bombing Dunjudge Archive Batch 16
wabbitosu N/A Tags: Adhoc, Data Structures, Greedy Wabbit osu!taiko HCI December Course Selection 2021 (bensonlzl) Batch 16
fertile N/A Tags: Binary Search, Data Structures, Dynamic Programming fertile RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 16
anutforajaroftuna N/A Tags: Dynamic Programming, Greedy A Nut For A Jar Of Tuna CF730J Batch 16
rangedeleting N/A Tags: Line Sweep/Sliding Window Range Deleting CF1167E Batch 16
factories N/A Tags: Data Structures, Divide and Conquer, Graph Theory, Trees factories JOI 2014 Open Interactive 16
arcade N/A Tags: Adhoc, Data Structures, Dynamic Programming arcade NOI 2020 Finals Batch 16
gohcart N/A Tags: Data Structures, Dynamic Programming, Graph Theory Goh Cart Codeforces 1715E (f0restf1re) Batch 16
hld N/A Tags: Graph Theory, Trees hld LOJ P139 Batch 16
robots N/A Tags: Binary Search, Greedy robots IOI 2013 Interactive 16
planning N/A Tags: Graph Theory, Greedy, Trees Company Planning TOKI Open 2014 Batch 16
colorgraph N/A Tags: Graph Theory colorgraph uwu (errorgorn) Batch 16
supperbox N/A Tags: Divide and Conquer, Dynamic Programming Estelle’s Supper Box RI-HCI NOI Selection Test 2018 Batch 16
excombo N/A Tags: Dynamic Programming, Greedy EX Combo RSA Fun Contest (oolimry) Batch 16
potatoqueue N/A Tags: Data Structures potatoqueue Dunjudge Archive Interactive 16
strawberry N/A Tags: Data Structures, Dynamic Programming Speedy Strawberries 2020 CNY (shenxy13) Batch 15
findinggrass N/A Tags: Data Structures, Greedy Finding Grass Dec Course 2022 BAPS (hmm) Batch 15
funfair N/A Tags: Dynamic Programming, Graph Theory, Trees Funfair Educational Round 5 (rs) Batch 15
lopov N/A Tags: Data Structures lopov COCI 2013/2014 Batch 15
minimetro N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Minimetro HCI December Course Selection 2021 (huangqr) Batch 15
flowering N/A Tags: Data Structures flowering COCI 2008/2009 Batch 15
cycling N/A Tags: Graph Theory, Trees cycling Dunjudge Archive Batch 15
solarstorm N/A Tags: Graph Theory, Line Sweep/Sliding Window, Trees Solar Storm NOI 2020 Prelims Batch 15
findandprevent N/A Tags: Graph Theory, Trees Find and Prevent Tuymaada 2021 Batch 15
duckwar N/A Tags: Binary Search, Greedy, Math duckwar Anderson Fluff Contest (shoryu386) Batch 15
jumps N/A Tags: Data Structures, Greedy Rainforest Jumps APIO 2021 (bensonlzl) Interactive 15
historical N/A Tags: Square Root Decomposition Historical JOI 2013/2014 Batch 15
goodgame N/A Tags: Explicitly Excluded (from IOI), Math goodgame ARC 072D Batch 15
bichrome N/A Tags: Graph Theory, Math, Trees bichrome Atcoder Batch 15
truck N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Math, Trees truck NOI 2021 Qualification Batch 15
rabbitlineup N/A Tags: Divide and Conquer, Dynamic Programming rabbitlineup Dunjudge Archive Batch 15
happyarrays N/A Tags: Dynamic Programming, Line Sweep/Sliding Window Happy Arrays Classic Problem (penguin133) Batch 15
mememagic N/A Tags: Dynamic Programming mememagic Dunjudge Archive Batch 15
catteams N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming catteams RI/RJC NOI Selection Test 2016 Batch 15
visitingsingapore N/A Tags: Dynamic Programming Visiting Singapore NOI 2020 Prelims Batch 15
inequality2 N/A Tags: Adhoc, Constructive Algorithms inequality2 Dec Course 2021 BAPS (zaneyu) Batch 15
robobear N/A Tags: Graph Theory The Maze of RoboBear Tuymaada 2021 Batch 15
equals N/A Tags: Graph Theory equals ARC 097 Batch 15
sonya N/A Tags: Dynamic Programming, Slope Trick Sonya and Problem Wihtout A Legend Codeforces 713C Batch 15
christmasturkeyfarm N/A Tags: Data Structures Christmas Turkey Farming Educational Round 2 (dillion) Batch 14
kickingshoes N/A Tags: Data Structures, Greedy, Math Kicking Shoes Educational Round 4 (maomao90) Batch 14
monochromecat N/A Tags: Graph Theory, Trees monochromecat ARC 097 Batch 14
delivery N/A Tags: Bitmask, Dynamic Programming, Graph Theory delivery Dunjudge Archive Batch 14
rating N/A Tags: Adhoc, Math Rating Changes Dec Trg 2019 (Elementary) Batch 14
events N/A Tags: Data Structures, Greedy events BOI 2022 Batch 14
baseplans N/A Tags: Adhoc Base Plans UWCOI 2020 (socho, astoria, kimbj0709) Batch 14
hotspot N/A Tags: Graph Theory hotspot NOI 2017 Batch 14
burger N/A Tags: Greedy burger Code Jam to I/O 2018 for Women Batch 14
cakerun N/A Tags: Data Structures Bowen's Cake Run December Course 2019 Advanced Final Contest (rs) Batch 14
laughter N/A Tags: Binary Search, Data Structures, Line Sweep/Sliding Window laughter Educational Codeforces Round 27 Batch 14
badknapsack N/A Tags: Brute Force, Dynamic Programming badknapsack Educational Round 3 (errorgorn) Batch 14
hipercijevi N/A Tags: Graph Theory hipercijevi COCI 2012/2013 Batch 14
island N/A Tags: Graph Theory, Math Island NOI 2018 Prelims Batch 14
rabbitmilk N/A Tags: Greedy rabbitmilk Dunjudge Archive Batch 14
molecules N/A Tags: Adhoc, Line Sweep/Sliding Window Detecting Molecules IOI 2016 Interactive 14
centroid N/A Tags: Brute Force, Graph Theory Centroid Dunjudge Archive Batch 14
more_lca N/A Tags: Dynamic Programming, Graph Theory, Trees More LCA Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 14
gap N/A Tags: Information Theory, Math Gap APIO 2016 Interactive 14
dreaming N/A Tags: Graph Theory dreaming IOI 2013 Interactive 14
seedflare N/A Tags: Information Theory Seed Flare SGP Sparring 2021 (lovemathboy) Interactive 14
candies2 N/A Tags: Greedy candies2 ARC 064A Batch 14
orangecollector N/A Tags: Bitmask, Data Structures, Dynamic Programming Orange Collector RI-HCI December Course Selection 2019 (rs) Batch 13
bubblesort N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Bubble Sort Educational Round 4 (jamessng, zaneyu, oolimry) Batch 13
distribution N/A Tags: Bitmask, Constructive Algorithms, Meet in the Middle Distribution Codechef January Cook-Off 2021 Batch 13
acorns N/A Tags: Data Structures acorns MCO 2016 Batch 13
island_boi N/A Tags: Graph Theory, Greedy, Trees island BOI 2022 Batch 13
newjeans N/A Tags: Divide and Conquer, Dynamic Programming Bob's New Jeans Codeforces 868F Batch 13
paint_apio N/A Tags: Adhoc, Line Sweep/Sliding Window, Square Root Decomposition paint_apio APIO 2020 Interactive 13
rabbittolls N/A Tags: Graph Theory rabbittolls Dunjudge Archive Batch 13
rabbitmeeting N/A Tags: Adhoc, Greedy RabbitMeeting December Course 2018 Advanced Final Contest Batch 13
duckwalk N/A Tags: Binary Search, Data Structures, Dynamic Programming duckwalk Codeforces 76F Batch 13
numbergame N/A Tags: Binary Search numbergame ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 13
supertrees N/A Tags: Adhoc, Constructive Algorithms, Graph Theory Connecting Supertrees IOI 2020 Interactive 13
aliens N/A Tags: Data Structures aliens Dunjudge Archive Batch 13
divsum_dec18 N/A Tags: Math Divsum RI Deccourse 2018 Selection Test (eutroph) Batch 13
shikandgame N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window shikandgame AGC 007 Batch 13
roots N/A Tags: Data Structures, Graph Theory, Trees roots Codeforces 695E Batch 13
repairs N/A Tags: Data Structures, Graph Theory, Trees repairs Dunjudge Archive Batch 13
rainbowroad N/A Tags: Bitmask, Dynamic Programming, Graph Theory, Trees Rainbow Road HCI-RI 2020 May Contest (bensonlzl) Batch 13
domine N/A Tags: Bitmask, Dynamic Programming domine COCI 2013/2014 Batch 13
surnames N/A Tags: Dynamic Programming, Graph Theory, Square Root Decomposition, Trees Surnames 2020 CNY (errorgorn) Batch 13
funnynim N/A Tags: Explicitly Excluded (from IOI), Math funnynim IMO Shortlist 2015 Batch 13
mergers N/A Tags: Adhoc, Data Structures, Graph Theory, Trees mergers JOI Batch 12
strangedevice N/A Tags: Data Structures, Math Strange Device APIO 2019 Batch 12
boxhaskey N/A Tags: Graph Theory Box Has Key HCI-RI 2020 May Contest (bensonlzl) Batch 12
cashmoney N/A Tags: Math Cash Money 2020 CNY Batch 12
radiance N/A Tags: Square Root Decomposition radiance RSA Fun Contest (oolimry) Batch 12
police N/A Tags: Dynamic Programming, Graph Theory Police Station CPSPC 2017 Batch 12
build N/A Tags: Graph Theory, Greedy build ABC 065D Batch 12
towers_noi N/A Tags: Constructive Algorithms, Data Structures, Greedy Towers NOI 2022 Finals Batch 12
mercurypoisoning N/A Tags: Graph Theory Mercury Poisoning UWCOI 2020 (socho, astoria, kimbj0709) Batch 12
routes N/A Tags: Adhoc, Graph Theory routes Dunjudge Archive Batch 12
lambsrespite N/A Tags: Data Structures Lamb's Respite XXII Open Cup. Grand Prix of Korea Batch 12
catgameshow N/A Tags: Data Structures catgameshow RI/RJC NOI Selection Test 2016 Batch 12
departure N/A Tags: Data Structures, Greedy departure NOI 2021 Qualification Batch 12
outing N/A Tags: Data Structures Outing Educational Round 10 (Goodbye cstuart and kai824) (kai824) Batch 12
segmentoperations N/A Tags: Data Structures, Dynamic Programming, Math Segment Operations Codeforces 1743F Batch 12
intercastellar N/A Tags: Adhoc Intercastellar JOI 2022 Final Round Batch 12
firecracker N/A Tags: Data Structures, Greedy firecracker CNY Contest 2019 Batch 12
more_lca2 N/A Tags: Graph Theory, Trees More LCA 2 Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 12
hacker N/A Tags: Data Structures, Greedy, Line Sweep/Sliding Window hacker BOI 2015 Batch 12
pandaski N/A Tags: Data Structures, Dynamic Programming pandaski NOI 2016 Batch 12
midas N/A Tags: Graph Theory, Trees Midas POI 2017 Round 3 Day 1 Q1 Batch 12
straight N/A Tags: Bitmask, Dynamic Programming Pure Straight ARC 126 Batch 12
valley N/A Tags: Divide and Conquer, Graph Theory, Trees Alpine valley BOI 2019 Day 1 Batch 12
streetlamps N/A Tags: Data Structures, Divide and Conquer Street Lamps APIO 2019 Batch 12
smokeflower N/A Tags: Data Structures, Divide and Conquer, Line Sweep/Sliding Window smokeflower Classic Problem Batch 12
orangeroad N/A Tags: Data Structures, Line Sweep/Sliding Window orangeroad Educational Round 9 (jamessng, jamielim) Batch 12
countinghaybales N/A Tags: Dynamic Programming countinghaybales USACO 2022 Jan, Platinum Batch 12
closedpath N/A Tags: Graph Theory, Trees closedpath Dunjudge Archive Batch 12
cousin N/A Tags: Graph Theory, Trees cousin Dunjudge Archive Interactive 12
archaeologist N/A Tags: Adhoc archaeologist NOI 2021 Finals Interactive 12
orchard2 N/A Tags: Dynamic Programming orchard2 RI NOI Selection Test 2015 Batch 12
cloudcomputing N/A Tags: Dynamic Programming Cloud computing CEOI 2018 Batch 12
bracketflip N/A Tags: Data Structures, Line Sweep/Sliding Window, Math bracketflip Dec Course 2020 BAPS (pavement) Batch 12
garden_ioi05 N/A Tags: Brute Force, Dynamic Programming Garden IOI 2005 Batch 12
duels N/A Tags: Adhoc, Data Structures duels Educational Round 9 (maomao90, jamessng) Batch 12
selfpermutation N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming selfpermutation TOKI KSN Day 2 Batch 12
scrivener N/A Tags: Data Structures Crayfish scrivener IOI 2012 Interactive 11
doubletrip N/A Tags: Brute Force, Constructive Algorithms, Graph Theory Double Trip Codeforces 1343E Batch 11
collectmushrooms5 N/A Tags: Greedy collectmushrooms5 Dunjudge Archive Batch 11
skyscraper_apio15 N/A Tags: Graph Theory, Square Root Decomposition Jakarta Skyscrapers APIO 2015 Batch 11
rockclimbing N/A Tags: Graph Theory rockclimbing NOI 2016 Batch 11
spiderweb N/A Tags: Dynamic Programming, Graph Theory spiderweb Dunjudge Archive Batch 11
placingrouters N/A Tags: Greedy Placing Routers Codeforces 1764E Batch 11
segmenttree3 N/A Tags: Data Structures, Line Sweep/Sliding Window segmenttree3 Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn, oolimry) Batch 11
badchef N/A Tags: Graph Theory Bad Chef NUS CS3233 2020 Batch 11
convention N/A Tags: Binary Search, Greedy convention USACO 2018 December Silver Batch 11
dragonfly N/A Tags: Data Structures, Graph Theory, Trees dragonfly NOI 2022 Qualification (bensonlzl) Batch 11
reachability N/A Tags: Dynamic Programming, Graph Theory reachability Classic Problem Batch 11
sawmills N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Two Sawmills CEOI 2004 Batch 11
istj N/A Tags: Data Structures, Trees ISTJ 2020 CNY, Classic Problem (0rang3, shenxy13) Batch 11
edgeflip N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Edge Flipping Educational Round 4 (jamessng) Batch 11
wall N/A Tags: Data Structures wall IOI 2014 Interactive 11
schedule N/A Tags: Dynamic Programming, Graph Theory schedule HCI NOI Selection Test 2014 Batch 11
christmastree N/A Tags: Graph Theory, Trees Christmas Tree Educational Round 2 (errorgorn, oolimry) Batch 11
specialmultiset N/A Tags: Data Structures specialmultiset Codeforces 981G Batch 11
bridges_apio19 N/A Tags: Graph Theory, Square Root Decomposition Bridges APIO 2019 Batch 11
shuffling N/A Tags: Dynamic Programming Shuffling ARC 065D Batch 11
rabbitroad N/A Tags: Binary Search, Graph Theory, Greedy, Trees RabbitRoad RI-HCI December Course Selection 2019 (bensonlzl) Batch 11
ragingthunder N/A Tags: Data Structures Raging Thunder Codeforces Batch 11
goodmorning N/A Tags: Graph Theory Good Morning ISC 2020 practice (errorgorn) Batch 11
pipes N/A Tags: Graph Theory Pipes CEOI 2015 Batch 11
invasion N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Line Sweep/Sliding Window, Trees invasion Dunjudge Archive Batch 11
jjooii2 N/A Tags: Adhoc jjooii2 JOI 2020 Final Round Batch 10
tickets N/A Tags: Adhoc, Data Structures Carnival Tickets IOI 2020 Interactive 10
mountainrange N/A Tags: Data Structures, Greedy mountainrange Codeforces 935F Batch 10
werewolf N/A Tags: Data Structures, Graph Theory, Trees Werewolf IOI 2018 Interactive 10
pekora N/A Tags: Greedy Pekora and Trampoline Educational Round 8 (Goodbye oolimry) (oolimry) Batch 10
thanossort N/A Tags: Adhoc, Divide and Conquer thanossort RSA Fun Contest (errorgorn) Interactive 10
flipthat N/A Tags: Dynamic Programming, Math Flip That Codeforces 1630D Batch 10
rabbitbridges N/A Tags: Binary Search, Graph Theory Rabbit Bridges Educational Round 5 (oolimry) Batch 10
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 10
wires N/A Tags: Adhoc Wires RI-HCI NOI Selection Test 2019 (bensonlzl) Interactive 10
magick N/A Tags: Adhoc, Information Theory, Math Magick RI-HCI NOI Selection Test 2019 Communication 10
aesthetic N/A Tags: Data Structures, Graph Theory aesthetic NOI 2020 Finals Batch 10
flood N/A Tags: Graph Theory, Math Flood POI 2018 Round 1 Q3 Batch 10
selfdefence N/A Tags: Dynamic Programming Self Defence TOKI KSN Day 1 Batch 10
rarwall N/A Tags: Data Structures rarwall Dunjudge Archive Interactive 10
digitsum N/A Tags: Dynamic Programming digitsum UOJ Easy Round #4 Batch 10
thunderstorm N/A Tags: Data Structures, Greedy Thunderstorm Dec Trg 2019 (Elementary) Batch 10
math N/A Tags: Brute Force, Math Primes Up April Fools Contest 2020 (shenxy13) Batch 10
toblerone N/A Tags: Brute Force, Dynamic Programming, Greedy toblerone HCI Mock NOI 2015 Batch 10
volcanic N/A Tags: Binary Search, Graph Theory Volcanic Travel ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 10
inequality N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming, Line Sweep/Sliding Window inequality RI-HCI NOI Selection Test 2020 (0rang3) Batch 10
stations N/A Tags: Graph Theory, Information Theory, Trees Stations IOI 2020 (Day 2) Communication 10
collaboration N/A Tags: Data Structures, Graph Theory, Trees Collaboration December Course 2019 Advanced Final Contest (0rang3) Interactive 10
stoningame N/A Tags: Math stoningame Valentine's Day Contest 2022 (maomao90) Batch 10
fireworks N/A Tags: Dynamic Programming, Graph Theory, Slope Trick, Trees Fireworks APIO 2016 Batch 10
cp2booksales N/A Tags: Line Sweep/Sliding Window cp2booksales Dunjudge Archive Batch 10
uniquepath N/A Tags: Graph Theory uniquepath AGC38D Batch 10
garden_ioi08 N/A Tags: Dynamic Programming Linear Garden IOI 2008 Batch 10
inequality3 N/A Tags: Data Structures Social Inequality TOKI Open 2014 Batch 10
mrbeancurd N/A Tags: Dynamic Programming mrbeancurd HCI Be A Problem Setter (BAPS) Contest 2017 Batch 10
colourblind N/A Tags: Graph Theory colourblind HCI NOI Selection Retest 2020 (bensonlzl) Interactive 10
secret N/A Tags: Divide and Conquer, Information Theory Secret JOI Open 2014 Interactive 10
blanko N/A Tags: Data Structures, Greedy blanko Dunjudge Archive Batch 10
threetowers N/A Tags: Brute Force, Greedy threetowers POI 2015 Round 2 Day 2 Q2 Batch 10
portals N/A Tags: Data Structures, Graph Theory portals USACO 2021 US Open, Gold Batch 9
askonegetonefree N/A Tags: Dynamic Programming AskOneGetOneFree NOI 2015 Interactive 9
robot N/A Tags: Data Structures Robots Educational Round 8 (Goodbye oolimry) (oolimry) Batch 9
grapevine N/A Tags: Data Structures, Divide and Conquer, Graph Theory, Trees Grapevine NOI 2022 Finals Batch 9
pastiri N/A Tags: Graph Theory, Greedy, Trees pastiri COI 2019/2020 Batch 9
roads N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Road Closures APIO 2021 Interactive 9
ballsofbuma N/A Tags: Adhoc Balls of Buma Dunjudge Archive Batch 9
sardines N/A Tags: Data Structures, Dynamic Programming sardines RI NOI Selection Test 2014 Batch 9
xortree N/A Tags: Data Structures xortree Classic Problem (errorgorn) Batch 9
snukethewizard N/A Tags: Adhoc, Binary Search snukethewizard AtCoder Batch 9
bitaro N/A Tags: Dynamic Programming, Graph Theory, Square Root Decomposition Bitaro's Party JOI 2017/2018 Spring Camp Batch 9
snakecode N/A Tags: Dynamic Programming snakecode Dunjudge Archive Interactive 9
pressstart N/A Tags: Data Structures, Graph Theory Press Start! HCI-RI 2020 May Contest (bensonlzl) Batch 9
ufo N/A Tags: Dynamic Programming ufo Dunjudge Archive Batch 9
kmxorm N/A Tags: Bitmask, Math, Meet in the Middle kmxorm ASEAN Sparring 2022 (zscoder) Batch 9
ohbabyntriples N/A Tags: Binary Search, Data Structures, Greedy Oh Baby, n Triples! IOI 2020 Practice Session Batch 9
datacenters N/A Tags: Adhoc Data Centers EGOI 2022 Day 2 Batch 9
badtree N/A Tags: Binary Search, Data Structures badtree RI-HCI December Course Selection 2019 (bensonlzl) Batch 9
wabot2 N/A Tags: Constructive Algorithms, Data Structures, Greedy wabot2 ASEAN Sparring 2022 (bensonlzl) Batch 9
makemst N/A Tags: Graph Theory, Math makemst Codeforces 1088F Batch 9
holdinghands N/A Tags: Graph Theory, Trees holdinghands Dec Course 2020 BAPS (jiahng) Batch 9
airline N/A Tags: Graph Theory, Information Theory airline JOISC 2018, Day 3 Communication 9
prisoners N/A Tags: Adhoc, Graph Theory, Information Theory prisoners APIO 2014 Mock Contest Communication 8
vault N/A Tags: Dynamic Programming, Greedy vault BOI 2022 Batch 8
christmasfiboseq N/A Tags: Math Chirstmas Fibonacci Sequence Educational Round 2 (errorgorn) Batch 8
trivialmaths N/A Tags: Explicitly Excluded (from IOI), Math trivialmaths Valentines Contest 2021 (errorgorn) Interactive 8
buildings N/A Tags: Data Structures, Line Sweep/Sliding Window Buildings Dunjudge Archive Batch 8
weightedguess N/A Tags: Dynamic Programming Weighted Guess Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 8
mobitel N/A Tags: Dynamic Programming, Square Root Decomposition Mobitel COCI 2018/2019 Batch 8
markinghouses N/A Tags: Bitmask, Dynamic Programming Marking Houses RI-HCI Final Contest 2022 Batch 8
funnytree N/A Tags: Graph Theory, Trees Funny Tree (Extreme Version) RuCode 2020 Div A (Extreme Version) (0rang3, rs) Batch 8
thanossort_st4 N/A Tags: Adhoc, Divide and Conquer, Explicitly Excluded (from IOI) thanossort_st4 RSA Fun Contest (errorgorn) Interactive 8
compact N/A Tags: Data Structures, Dynamic Programming compact Dunjudge Archive Batch 8
cakeslicing N/A Tags: Constructive Algorithms cakeslicing LOJ #6744 Batch 8
royalguards N/A Tags: Data Structures, Dynamic Programming royalguards AMOS OI 2022 (buffed) (shoryu386) Batch 8
sarenlist N/A Tags: Bitmask, Brute Force, Graph Theory, Trees sarenlist COCI 2021/2022 Batch 8
joke N/A Tags: Graph Theory Joke Dec Trg 2019 (Elementary) Batch 8
movingboxes N/A Tags: Data Structures, Greedy movingboxes Codeforces 1030F Batch 8
industriouslibrarian N/A Tags: Data Structures industriouslibrarian LOJ #2639 Batch 8
lightsflip N/A Tags: Adhoc, Dynamic Programming lightsflip Dunjudge Archive Batch 8
biscuits N/A Tags: Dynamic Programming, Math Packing Biscuits IOI 2020 (Day 2) Interactive 8
trains_mco N/A Tags: Graph Theory, Greedy trains_mco MCO 2015 Batch 8
redistributinggifts N/A Tags: Bitmask, Dynamic Programming redistributinggifts USACO 2022 Feb Gold Batch 8
colour N/A Tags: Data Structures colour December Course 2018 Elementary Final Contest Batch 8
passes N/A Tags: Bitmask, Brute Force, Greedy, Math passes BOI 2022 Batch 8
alien9 N/A Tags: Adhoc, Dynamic Programming, Math alien9 IMO Shortlist 1996 Batch 8
usefft1 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 1 Classic Problem Batch 8
haiku N/A Tags: Dynamic Programming Iroha and Haiku AtCoder Batch 8
frisbee N/A Tags: Data Structures, Dynamic Programming, Slope Trick Frisbee Training 2019 IOI Problem Setter Contest (0rang3) Batch 8
coolinteractive N/A Tags: Adhoc Cool Interactive Educational Round 8 (Goodbye oolimry) (errorgorn) Interactive 8
hop N/A Tags: Math hop COCI 2020/2021 Contest #4 Problem 3 Batch 8
wandering N/A Tags: Data Structures, Graph Theory, Trees wandering AGC 029 Batch 8
minerals N/A Tags: Information Theory minerals JOISC 2019 Interactive 8
catalansum N/A Tags: Explicitly Excluded (from IOI), Math catalansum (EE) Educational Round 3 (errorgorn, oolimry) Batch 8
passwords N/A Tags: Graph Theory passwords Dunjudge Archive Batch 8
servers N/A Tags: Graph Theory, Trees Inside information BOI 2021 Batch 8
flooding N/A Tags: Graph Theory flooding Dunjudge Archive Batch 7
aliens_ioi N/A Tags: Binary Search, Data Structures, Dynamic Programming Aliens IOI 2016 Interactive 7
harbingers N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees harbingers CEOI 2009 Batch 7
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 7
multiple N/A Tags: Graph Theory, Math multiple Dunjudge Archive Batch 7
tokitsukazeandexplosion N/A Tags: Binary Search, Greedy tokitsukazeandexplosion Codeforces 1190E Batch 7
subsetmex N/A Tags: Adhoc Subset Mex EGOI 2022 Day 1 Batch 7
learningtrack N/A Tags: Divide and Conquer learningtrack LOJ #2773 Batch 7
cards N/A Tags: Data Structures cards Dunjudge Archive Batch 7
doll N/A Tags: Adhoc, Constructive Algorithms Mechanical Doll IOI 2018 Interactive 7
books N/A Tags: Graph Theory, Greedy Ancient Books IOI 2017 Interactive 7
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 7
luckynumbers N/A Tags: Adhoc, Dynamic Programming Lucky Numbers Educational Round 8 (Goodbye oolimry) (oolimry) Batch 7
sumo N/A Tags: Binary Search, Graph Theory sumo COCI 2013/2014 Batch 7
notebook N/A Tags: Graph Theory notebook Dunjudge Archive Batch 7
leastround N/A Tags: Dynamic Programming leastround Codeforces 2B Batch 7
animaleditor N/A Tags: Data Structures animaleditor MCO Batch 7
cardgame2 N/A Tags: Dynamic Programming cardgame2 Dunjudge Archive Batch 7
shoes N/A Tags: Data Structures, Greedy Arranging Shoes IOI 2019 (Day 1) Interactive 7
dominoes N/A Tags: Binary Search, Data Structures, Square Root Decomposition dominoes Educational Round 9 (maomao90, zaneyu) Batch 7
cactus N/A Tags: Dynamic Programming, Graph Theory, Trees cactus LOJ #2250 Batch 7
squarerect N/A Tags: Adhoc, Information Theory Square or Rectangle? NOI 2019 Prelims Interactive 7
deda N/A Tags: Binary Search, Data Structures deda COCI 2017/2018 Batch 7
paintrectangles N/A Tags: Data Structures, Line Sweep/Sliding Window paintrectangles Codeforces 983D Batch 7
hld2 N/A Tags: Data Structures, Graph Theory, Trees hld2 LOJ P3532 Batch 7
palindromicfever N/A Tags: Dynamic Programming, Math Palindromic Fever ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 7
judgeantibreaker N/A Tags: Binary Search, Square Root Decomposition judgeantibreaker Educational Round 6 (oolimry) Batch 7
unitedcows N/A Tags: Data Structures, Line Sweep/Sliding Window United Cows USACO 2021 Open, Gold Batch 7
copyandpaste N/A Tags: Greedy Copy And Paste Codeforces 1688F Batch 7
personalspace N/A Tags: Binary Search, Dynamic Programming, Line Sweep/Sliding Window personalspace December Course 2018 Elementary Final Contest Batch 7
sandcity N/A Tags: Dynamic Programming sandcity Random Idea (shoryu386, Reverberate) Batch 7
permutationswap N/A Tags: Adhoc permutationswap Valentine's Day Contest 2022 (maomao90) Batch 7
clipboard N/A Tags: Adhoc, Data Structures Jianzhi’s Clipboard Sorting RI NOI Selection Test 2017 Batch 7
semafor N/A Tags: Explicitly Excluded (from IOI), Graph Theory, Math semafor COI 2020 Batch 7
clockpalindrome N/A Tags: Adhoc, Dynamic Programming clockpalindrome December Course 2019 Advanced Final Contest Batch 7
camels N/A Tags: Data Structures Guessing Camels NWERC 2015 Batch 7
killanton N/A Tags: Brute Force, Greedy Kill Anton Codeforces Round 723 (errorgorn) Batch 6
escape N/A Tags: Bitmask, Brute Force, Graph Theory Escape UWCOI 2020 (socho, astoria, kimbj0709) Batch 6
youngmaids N/A Tags: Data Structures youngmaids Dunjudge Archive Batch 6
qualitycontrol N/A Tags: Graph Theory, Trees Quality Control Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Batch 6
sale N/A Tags: Data Structures, Greedy sale Dunjudge Archive Batch 6
ktupleflip N/A Tags: Adhoc, Greedy K-tuple Flip TROC 24 (errorgorn) Batch 6
climatechange N/A Tags: Binary Search, Data Structures, Dynamic Programming climatechange Dunjudge Archive Batch 6
fabric N/A Tags: Data Structures, Dynamic Programming fabric NOI 2016 Batch 6
goodsubsegments N/A Tags: Data Structures goodsubsegments Codeforces Round #493 (Div. 1) Batch 6
banks N/A Tags: Graph Theory Banks IOI 2020 Practice Session Batch 6
fire N/A Tags: Data Structures, Line Sweep/Sliding Window fire JOI 2020 Final Round Batch 6
rabbitplane N/A Tags: Binary Search rabbitplane RI Problem Setter Contest 2019 (bensonlzl) Batch 6
split2 N/A Tags: Graph Theory, Greedy, Trees Split December Course 2018 Elementary Final Contest Batch 6
niangao N/A Tags: Data Structures Nian Gao 2020 CNY (errorgorn) Batch 6
multiplechoice N/A Tags: Constructive Algorithms multiplechoice USACO 2022 Jan, Platinum Batch 6
circleselection N/A Tags: Data Structures, Math Circle selection APIO 2018 Batch 6
sumzero N/A Tags: Adhoc, Binary Search, Dynamic Programming sumzero RMI 2020 Batch 6
destroy N/A Tags: Dynamic Programming, Graph Theory, Trees Destroy RI-HCI NOI Selection Test 2019 Batch 6
ponteng N/A Tags: Math, Square Root Decomposition Ponteng 2019 IOI Problem Setter Contest Batch 6
trekking N/A Tags: Bitmask, Dynamic Programming, Graph Theory Jungle Trekking HCI NOI Selection Test 2017 Batch 6
lctocd N/A Tags: Brute Force, Data Structures, Divide and Conquer, Graph Theory, Greedy, Trees LCT OCD Atcoder Nikkei Finals 2019 Batch 6
workload2 N/A Tags: Square Root Decomposition Workload 2 Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn) Batch 6
candies_ioi N/A Tags: Data Structures Distributing Candies IOI 2021 Interactive 6
citymapping N/A Tags: Information Theory, Trees CityMapping NOI 2018 Interactive 6
globalwarming_ex N/A Tags: Data Structures, Graph Theory globalwarming_ex Dunjudge Archive Batch 6
chemistry N/A Tags: Dynamic Programming, Joke chemistry April Fools Contest 2020 (0rang3) Batch 5
strangedevice2 N/A Tags: Binary Search, Graph Theory, Information Theory, Trees strangedevice2 Codeforces 1158E Interactive 5
newhome N/A Tags: Divide and Conquer, Slope Trick New Home APIO 2018 Batch 5
kronican N/A Tags: Bitmask, Dynamic Programming kronican COCI 2016/2017 Batch 5
cheaters N/A Tags: Explicitly Excluded (from IOI), Math cheaters Educational Round 3 (errorgorn) Batch 5
prefixsums2 N/A Tags: Math Prefix Sums 2 Educational Round 10 (Goodbye cstuart and kai824) (errorgorn) Batch 5
couples N/A Tags: Dynamic Programming couples December Course 2018 Advanced Final Contest Batch 5
doodles N/A Tags: Graph Theory, Math doodles December Course 2019 Advanced Final Contest (rs) Batch 5
trianglesum N/A Tags: Brute Force, Dynamic Programming trianglesum NOI 2010 Selection Test Batch 5
duathlon N/A Tags: Graph Theory, Trees Duathlon APIO 2018 Batch 5
monke N/A Tags: Math Monke Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 5
badnim3 N/A Tags: Bitmask, Explicitly Excluded (from IOI), Math Bad Nim 3 (EE) Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 5
sumalllis N/A Tags: Bitmask, Dynamic Programming, Joke Sum All LIS Luogu P4484 (modified) (zaneyu) Batch 5
bananadance N/A Tags: Math bananadance Dunjudge Archive Batch 5
bunchlocks N/A Tags: Graph Theory bunchlocks Dunjudge Archive Batch 5
wallisstop N/A Tags: Binary Search, Data Structures, Graph Theory Wall Is Stop Dunjudge Archive (bensonlzl) Batch 5
sculptures_apio15 N/A Tags: Bitmask, Dynamic Programming Bali Sculptures APIO 2015 Batch 5
messy N/A Tags: Binary Search Unscrambling a Messy Bug IOI 2016 Interactive 5
canbashsavetheday N/A Tags: Data Structures, Graph Theory, Trees canbashsavetheday Codeforces 757G Batch 5
tournament N/A Tags: Graph Theory, Trees tournament IOI 2012 Interactive 5
election_joi22 N/A Tags: Dynamic Programming Let's Win the Election JOI 2022 Final Round Batch 5
oenothera N/A Tags: Data Structures, Greedy, Square Root Decomposition oenothera Codeforces 1039E Batch 5
shopping N/A Tags: Dynamic Programming Shopping Dunjudge Archive Batch 5
sudoku N/A Tags: Constructive Algorithms, Greedy sudoku NOI 2015 Batch 5
learningtrack2 N/A Tags: Data Structures, Dynamic Programming learningtrack2 LOJ #3068 Batch 5
fencing2 N/A Tags: Data Structures fencing2 RI-HCI December Course Selection 2020 (errorgorn) Batch 5
garaza N/A Tags: Data Structures, Math garaza COCI Batch 5
ratar N/A Tags: Brute Force, Dynamic Programming ratar COCI 2013/2014 Batch 5
souvenirs N/A Tags: Data Structures souvenirs Codeforces 765F Batch 5
wiring N/A Tags: Adhoc, Greedy Fix Wiring Polish Collegiate Programming Contest 2021 Batch 5
friendlyrooks N/A Tags: Brute Force, Greedy Friendly Rooks 2022 December Course Diagnostic Test (errorgorn) Batch 5
streets N/A Tags: Data Structures, Graph Theory, Trees One-Way Streets CEOI 2017 Batch 5
woodenraft N/A Tags: Greedy, Math woodenraft Codeforces 1223G Batch 5
infinitezoo N/A Tags: Bitmask, Graph Theory, Greedy, Math Zookeeper and The Infinite Zoo Codeforces Global Round 13 (errorgorn) Batch 5
bracketcoloring N/A Tags: Dynamic Programming bracketcoloring Codeforces 149D Batch 5
latex N/A Tags: Data Structures, Dynamic Programming latex RI Deccourse 2018 Selection Test Batch 5
colouring N/A Tags: Graph Theory colouring AGC 012B Batch 5
switches2 N/A Tags: Dynamic Programming, Math switches2 Educational Round 7 (errorgorn) Batch 5
fun N/A Tags: Adhoc, Graph Theory, Information Theory, Trees Fun Tour APIO 2020 Interactive 5
perm N/A Tags: Constructive Algorithms Permutation APIO 2022 Interactive 5
sortedandsorted N/A Tags: Data Structures, Dynamic Programming sortedandsorted ARC 097 Batch 5
love N/A Tags: Bitmask, Dynamic Programming, Graph Theory, Trees What is love? Luogu P8280 Batch 5
graph N/A Tags: Graph Theory, Greedy, Trees graph Dunjudge Archive Batch 5
wavynumbers N/A Tags: Brute Force, Math, Meet in the Middle wavynumbers Codeforces 273E Batch 5
colourwalk N/A Tags: Graph Theory Colour Walk RI-HCI Final Contest 2022 Batch 5
christmaswall N/A Tags: Explicitly Excluded (from IOI), Math Christmas Wall (EE) Educational Round 2 (maomao90) Batch 5
sandwich N/A Tags: Divide and Conquer Sandwich HCI-NUSH NOI Selection 2022 (errorgorn, oolimry, yanhao) Batch 5
blocks N/A Tags: Information Theory, Math Blocks UWCOI 2020 (socho, astoria, kimbj0709) Interactive 5
relutree N/A Tags: Data Structures relutree Classic Problem (errorgorn) Batch 5
keys N/A Tags: Graph Theory, Trees Keys IOI 2021 Interactive 5
fish N/A Tags: Data Structures, Dynamic Programming Catfish Farm IOI 2022 (Day 1) (oolimry) Interactive 5
elca N/A Tags: Data Structures, Graph Theory, Trees elca Codeforces 482E Batch 4
osumnjiceni N/A Tags: Data Structures, Greedy, Trees Osumnjičeni COCI 2021/2022 Batch 4
collectingstamps3 N/A Tags: Dynamic Programming collectingstamps3 JOI 2020 Final Round Batch 4
rabbitradar N/A Tags: Data Structures, Dynamic Programming rabbitradar Dunjudge Archive (bensonlzl) Batch 4
packingpests N/A Tags: Data Structures, Dynamic Programming packingpests Kattis Batch 4
dzumbus N/A Tags: Dynamic Programming, Graph Theory, Trees Džumbus COCI 2019/2020 Batch 4
elephants N/A Tags: Binary Search, Square Root Decomposition Elephants IOI 2011 Interactive 4
changingcolours N/A Tags: Data Structures, Dynamic Programming changingcolours RI Problem Setter Contest 2019 (rs) Batch 4
4cuts N/A Tags: Adhoc, Brute Force 4cuts Dunjudge Archive Batch 4
birthday N/A Tags: Explicitly Excluded (from IOI), Math birthday RI Problem Setter Contest 2019 (syy) Batch 4
delegation N/A Tags: Dynamic Programming, Graph Theory, Trees Delegation USACO 2020 Feb, Gold Batch 4
marathon_usaco N/A Tags: Data Structures Marathon USACO 2014 Dec, Gold Batch 4
selfstudy N/A Tags: Binary Search, Greedy Self Study JOI 2022 Final Round Batch 4
tourists N/A Tags: Data Structures, Graph Theory, Trees Tourists EGOI 2022 Day 1 Batch 4
dinnerbox N/A Tags: Dynamic Programming, Greedy Jianzhi’s Dinner Box RI NOI Selection Test 2017 Batch 4
grazing N/A Tags: Bitmask, Brute Force, Graph Theory grazing USACO Bronze Jan 2012 Batch 4
bore N/A Tags: Brute Force Boring Dunjudge Archive Batch 4
superpozicija N/A Tags: Constructive Algorithms, Greedy superpozicija COI 2022 Batch 4
penghulu N/A Tags: Dynamic Programming, Graph Theory, Trees Penghulu MCO 2016 Batch 4
chess N/A Tags: Adhoc, Bitmask, Data Structures chess NUSH ISC 2018 Batch 4
persistentlists N/A Tags: Binary Search, Data Structures, Square Root Decomposition Persistent Lists Educational Round 6 (oolimry) Batch 4
suffixarray N/A Tags: Explicitly Excluded (from IOI), Math Oolimry and Suffix Array Codeforces Round 723 (zaneyu) Batch 4
tents N/A Tags: Dynamic Programming Tents JOI 2017/2018 Spring Camp Batch 4
sillysort N/A Tags: Math sillysort info(1) cup 2019 (modified) (errorgorn) Batch 4
dungeons2 N/A Tags: Binary Search, Data Structures dungeons2 AGM 2021, Final Round, Day 2 Batch 4
izbori N/A Tags: Adhoc, Data Structures, Math izbori COCI 2021/2022 Batch 4
kucice N/A Tags: Line Sweep/Sliding Window kucice COCI 2021/2022 Batch 4
queuestack N/A Tags: Adhoc, Data Structures Queuestack Educational Round 10 (Goodbye cstuart and kai824) (lida, oolimry, cstuart) Batch 4
badnim2 N/A Tags: Explicitly Excluded (from IOI), Math Bad Nim 2 (EE) Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 4
robot2 N/A Tags: Adhoc, Binary Search, Line Sweep/Sliding Window robot2 Dunjudge Archive Batch 4
souvenirs2 N/A Tags: Data Structures, Math souvenirs2 ARC 068C Batch 4
3dhistogram N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming 3D Histogram COCI 2020 Batch 4
dateornot N/A Tags: Binary Search, Information Theory Date Or Not? Dunjudge Archive Interactive 4
workload_ex N/A Tags: Explicitly Excluded (from IOI), Math workload_ex Classic Problem in China (Probably) (errorgorn) Batch 4
newlottery N/A Tags: Dynamic Programming New Lottery Google Code Jam 2014 Batch 4
boomerangs N/A Tags: Adhoc Bouncing Boomerangs Codeforces Raif Round 1 (bensonlzl) Batch 4
toy N/A Tags: Graph Theory, Trees toy ROI 2014 Batch 4
infiniteseq N/A Tags: Dynamic Programming infiniteseq AtCoder Regular Contest 071 Batch 4
pandasoldiers N/A Tags: Adhoc, Data Structures Soldiers Dunjudge Archive Batch 4
gravity N/A Tags: Graph Theory gravity USACO 2013 US Open, SIlver Batch 4
circuit N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Digital Circuit IOI 2022 (Day 2) Interactive 4
synchronization N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Synchronization JOI Open Contest 2013 Batch 4
lppfnlcst2 N/A Tags: Data Structures Lazy Propogation Persistant Fat Nodes Li Chao Segment Tree 2 Classic Problem (errorgorn) Batch 4
hungryrabbits3 N/A Tags: Binary Search, Greedy Hungry Rabbits 3 Dec Course 2022 BAPS (bensonlzl) Batch 4
voting N/A Tags: Data Structures, Greedy Voting Dunjudge Archive Batch 4
rainbow N/A Tags: Data Structures, Graph Theory, Math Land of the Rainbow Gold APIO 2017 Interactive 4
rainingseason N/A Tags: Data Structures, Graph Theory, Trees rainingseason Codeforces 1019E Batch 4
trivialmaths2 N/A Tags: Explicitly Excluded (from IOI), Math trivialmaths2 (EE) Educational Round 7 (errorgorn) Batch 4
manhattancompass N/A Tags: Binary Search, Graph Theory manhattancompass AtCoder Batch 4
devil N/A Tags: Constructive Algorithms, Graph Theory The Devil's Algorithm Hello 2022 (errorgorn) Batch 4
productcounting N/A Tags: Divide and Conquer, Square Root Decomposition Product Counting Educational Round 5 (errorgorn) Batch 4
flyingsquirrel N/A Tags: Data Structures, Dynamic Programming, Greedy, Slope Trick Flying Squirrel Korean IOI Selection Day 1 Batch 4
jedan N/A Tags: Dynamic Programming jedan COCI 2012/2013 Batch 4
fibotree N/A Tags: Data Structures, Explicitly Excluded (from IOI), Math fibotree Bubble Cup 14 (modified) Batch 4
efficientdelivery N/A Tags: Adhoc, Brute Force efficientdelivery UWCOI 2021 Batch 4
yabbitmeetup N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees yabbitmeetup HCI NOI Selection Retest 2020 (bensonlzl) Batch 4
gizmoguy N/A Tags: Slope Trick Gizmo Guy IOI 2020 Practice Session Batch 4
corporate N/A Tags: Data Structures, Divide and Conquer Corporate IOI 2020 Practice Session Batch 4
prison N/A Tags: Constructive Algorithms, Divide and Conquer Prisoner Challenge IOI 2022 (Day 1) Interactive 4
quality N/A Tags: Binary Search, Dynamic Programming Quality of Living IOI 2010 Interactive 4
escalation N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees escalation RI-HCI December Course Selection 2019 (bensonlzl) Batch 4
zhylanio N/A Tags: Binary Search, Brute Force, Data Structures zhylanio IZHO 2022 Batch 4
graphoverflow N/A Tags: Graph Theory, Math graphoverflow RI Deccourse 2018 Selection Test (jerryhanjt) Batch 4
legowall N/A Tags: Dynamic Programming, Math Lego Wall EGOI 2022 Day 1 Batch 4
seqtransform N/A Tags: Brute Force, Data Structures, Greedy seqtransform LOJ #3704 Batch 4
alice N/A Tags: Graph Theory, Information Theory Alice IMO Shortlist 2019 Interactive 4
cupboardjumps N/A Tags: Dynamic Programming, Slope Trick cupboardjumps Codeforces 1500F Batch 3
removemq N/A Tags: Brute Force, Data Structures, Greedy removemq ARC 098E Batch 3
mushrooms N/A Tags: Constructive Algorithms, Information Theory Counting Mushrooms IOI 2020 (Day 2) Interactive 3
merchant2 N/A Tags: Greedy merchant2 ABC 047D Batch 3
count1graphs N/A Tags: Math Count 1 Graphs Educational Round 4 (maomao90, errorgorn) Batch 3
rainbowroad_ex N/A Tags: Dynamic Programming, Graph Theory, Trees Rainbow Road (Extreme) HCI-RI 2020 May Contest (modified) (errorgorn) Batch 3
cross N/A Tags: Dynamic Programming Cross Dunjudge Archive Batch 3
greatmerge N/A Tags: Data Structures, Graph Theory, Trees greatmerge LOJ #2230 Batch 3
supermarkets N/A Tags: Data Structures Supermarkets IOI 2020 Practice Session Batch 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
bridge_cerc N/A Tags: Graph Theory, Square Root Decomposition Bridge CERC 2018 Batch 3
travelling N/A Tags: Math travelling ASEAN Sparring 2022 (kevinsogo) Batch 3
seats N/A Tags: Data Structures Seats IOI 2018 Interactive 3
tickets_loj N/A Tags: Divide and Conquer, Dynamic Programming, Trees tickets_loj LOJ #2249 Batch 3
superfanclub N/A Tags: Graph Theory, Trees Estelle’s Super Fan Club RI-HCI NOI Selection Test 2018 Interactive 3
islands N/A Tags: Graph Theory Thousands Islands IOI 2022 (Day 2) Interactive 3
plants N/A Tags: Binary Search, Data Structures Comparing Plants IOI 2020 Interactive 3
taxes N/A Tags: Data Structures, Dynamic Programming, Square Root Decomposition taxes December Course 2018 Advanced Final Contest, ROI 2018 Day 1 Batch 3
treepainting N/A Tags: Data Structures, Graph Theory, Trees treepainting LOJ #2001 Batch 3
socialdistance N/A Tags: Adhoc, Graph Theory, Trees Social Distance Codeforces 1381D Batch 3
switches N/A Tags: Explicitly Excluded (from IOI), Math switches Educational Round 7 (myrcella, errorgorn) Batch 3
diesel N/A Tags: Dynamic Programming, Graph Theory diesel NOI 2013 Batch 3
linearbasis N/A Tags: Explicitly Excluded (from IOI), Math linearbasis Hello 2022 (errorgorn) Batch 3
cardgame N/A Tags: Data Structures, Dynamic Programming cardgame Dunjudge Archive Batch 3
switches998244353 N/A Tags: Explicitly Excluded (from IOI), Math switches998244353 (EE) Educational Round 7 (errorgorn) Batch 3
addsubtract N/A Tags: Dynamic Programming, Greedy addsubtract Dunjudge Archive Batch 3
pawns N/A Tags: Adhoc, Explicitly Excluded (from IOI), Math e4e5 Ke2? Ke7? TROC 24 (maomao90, errorgorn) Batch 3
superpiece N/A Tags: Adhoc, Graph Theory Superpiece EGOI 2022 Day 2 Batch 3
orlando N/A Tags: Bitmask, Data Structures, Dynamic Programming, Graph Theory, Trees orlando RI Problem Setter Contest 2019 (zhuan, 0rang3) Batch 3
dynamicdiameter N/A Tags: Graph Theory, Trees Dynamic Diameter CEOI 2019 Batch 3
knapsack2 N/A Tags: Dynamic Programming knapsack2 David Pisinger (1995) Batch 3
boxoffice N/A Tags: Brute Force, Data Structures Box Office Dunjudge Archive Batch 3
hyperoperations N/A Tags: Math hyperoperations Dunjudge Archive Batch 3
spiraldance N/A Tags: Adhoc, Math Estelle’s Spiral Dance RI-HCI NOI Selection Test 2018 Batch 3
guards_easy N/A Tags: Binary Search, Data Structures, Dynamic Programming, Joke Guards (Easy) Dunjudge Archive (modified) (beepbeepsheep) Batch 3
urbanplanning N/A Tags: Graph Theory, Trees urbanplanning IZhO 2022 Batch 3
sjeckanje N/A Tags: Data Structures, Greedy sjeckanje COCI 2020/2021 Batch 3
fencing3 N/A Tags: Data Structures, Square Root Decomposition fencing3 Educational Round 3 (errorgorn, tqbfjotld) Batch 3
mirrortree N/A Tags: Graph Theory, Trees mirrortree BOI 2011, Day 2 Batch 3
wiring_ioi N/A Tags: Dynamic Programming Wiring IOI 2017 Interactive 3
constellation2 N/A Tags: Line Sweep/Sliding Window constellation2 JOISC 2014 Batch 3
mincross_usaco N/A Tags: Data Structures mincross_usaco USACO 2017 Feb, Platinum Batch 3
bodyguard N/A Tags: Dynamic Programming bodyguard JOISC 2021 Batch 3
letterstamper_ex N/A Tags: Dynamic Programming Letter Stamper (Extreme) Google Code Jam 2010 (modified) (ryangohca) Batch 3
split N/A Tags: Constructive Algorithms, Graph Theory, Trees Split the Attractions IOI 2019 (Day 1) Interactive 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
trackingtraining N/A Tags: Graph Theory, Math Tracking Training IOI 2020 Practice Session Batch 3
sequence N/A Tags: Adhoc, Greedy sequence AtCoder Batch 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
network2 N/A Tags: Data Structures, Graph Theory, Trees network Dunjudge Archive Batch 3
secret_mco N/A Tags: Adhoc Secret MCO 2015 Batch 3
bananaland N/A Tags: Dynamic Programming bananaland NUSH ISC 2018 Batch 3
walk N/A Tags: Graph Theory Sky Walking IOI 2019 Interactive 3
alphabrackets N/A Tags: Data Structures, Dynamic Programming alphabrackets Dec Course Final Contest 2017 Batch 3
earthwormlines N/A Tags: Data Structures earthwormlines LOJ #2303 Batch 3
notimetodry N/A Tags: Data Structures, Square Root Decomposition No Time to Dry USACO 2021 February Contest, Platinum Batch 3
foolpruf N/A Tags: Data Structures, Graph Theory, Greedy Foolprüf Security NERC 2019 Batch 3
timeleap N/A Tags: Data Structures timeleap JOI Batch 3
joker N/A Tags: Adhoc, Divide and Conquer, Graph Theory joker BOI 2020 Batch 3
marathon N/A Tags: Dynamic Programming, Graph Theory marathon RI Problem Setter Contest 2019 (Ziwyy) Batch 3
forensic N/A Tags: Brute Force, Graph Theory forensic NOI 2012 Batch 3
perishableroads N/A Tags: Graph Theory perishableroads Codeforces 773D Batch 3
escapesadland N/A Tags: Binary Search, Graph Theory Escape Sadland Dunjudge Archive Batch 3
meetings N/A Tags: Data Structures, Divide and Conquer Meetings IOI 2018 Interactive 3
cantor N/A Tags: Binary Search, Information Theory cantor TROC 24 (errorgorn) Interactive 3
vision N/A Tags: Adhoc, Constructive Algorithms, Information Theory Vision Program IOI 2019 Interactive 3
dahliahostels N/A Tags: Dynamic Programming, Math dahliahostels Valentines Contest 2021 (errorgorn) Batch 3
insects N/A Tags: Adhoc, Binary Search, Information Theory Rarest Insects IOI 2022 (Day 2) Interactive 3
semiconnected N/A Tags: Graph Theory semiconnected Dunjudge Archive Batch 3
rbpoints N/A Tags: Data Structures, Greedy rbpoints ABC 091C Batch 3
subwaytrip N/A Tags: Graph Theory subwaytrip Dunjudge Archive Batch 3
visiting N/A Tags: Graph Theory, Trees visiting Dunjudge Archive Batch 3
nutritionist N/A Tags: Data Structures nutritionist Dunjudge Archive Batch 3
shuffle N/A Tags: Constructive Algorithms, Graph Theory shuffle NOI 2019 Interactive 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
lamps N/A Tags: Graph Theory Lamps CF1290C Batch 3
friend N/A Tags: Adhoc friend IOI 2014 Interactive 3
mergecards N/A Tags: Adhoc, Dynamic Programming Merge Cards Google Kick Start 2020 Round G Batch 3
highway N/A Tags: Binary Search, Information Theory Highway Tolls IOI 2018 Interactive 3
parks N/A Tags: Adhoc, Constructive Algorithms, Graph Theory Fountain Parks IOI 2021 Interactive 3
morepaths N/A Tags: Dynamic Programming morepaths Dunjudge Archive Batch 3
ples N/A Tags: Greedy ples COCI 2011/2012 Batch 3
rect N/A Tags: Brute Force, Data Structures Rectangle IOI 2019 (Day 1) Interactive 2
harmony N/A Tags: Graph Theory harmony Dunjudge Archive 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
dungeons N/A Tags: Graph Theory Dungeons Game IOI 2021 Interactive 2
rarkids N/A Tags: Constructive Algorithms, Math rarkids IOI Sparring 2018 SGP Interactive 2
powersupply N/A Tags: Adhoc, Data Structures, Line Sweep/Sliding Window, Math Power Supply Educational Round 5 (cstuart) Batch 2
restoreroad N/A Tags: Graph Theory Restore Road ABC 074D Batch 2
weightlifting N/A Tags: Dynamic Programming weightlifting Google Code Jam 2022 Round 1A Batch 2
neila N/A Tags: Adhoc, Math neila RMM 2013/5 Batch 2
harvest N/A Tags: Data Structures Harvest JOI 2019/2020 Batch 2
registers N/A Tags: Bitmask, Constructive Algorithms Bit Shift Registers IOI 2021 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
railwaytrip2 N/A Tags: Data Structures Railway Trip 2 JOI 2022 Final Round Batch 2
streetlamps_ex N/A Tags: Data Structures, Divide and Conquer Street Lamps!! APIO 2019 but with more pain Batch 2
train_ioi N/A Tags: Graph Theory Toy Train IOI 2017 Interactive 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
election_joi N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Election Campaign JOI Open 2015 Batch 2
competitiveteams N/A Tags: Graph Theory, Square Root Decomposition Competitive Teams HackerRank Batch 2
synergies N/A Tags: Constructive Algorithms, Graph Theory Synergies IOI 2020 Practice Session Batch 2
rainbowfish N/A Tags: Dynamic Programming, Graph Theory, Trees Rainbow Fish Mock APIO 2015 Batch 2
zamjena N/A Tags: Graph Theory zamjena COCI 2018/2019 Batch 2
usefft4 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 4 Valentine's Day Contest 2022 (errorgorn) Batch 2
lost N/A Tags: Bitmask, Information Theory Jianzhi’s Lost RI NOI Selection Test 2017 Interactive 2
styles N/A Tags: Binary Search, Data Structures, Dynamic Programming Styles IOI 2020 Practice Session Batch 2
mars N/A Tags: Graph Theory, Information Theory Mars APIO 2022 Interactive 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
stagegames_part1 N/A Tags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 1 - 5) RI-HCI NOI Selection Test 2018 Interactive 2
paleta N/A Tags: Dynamic Programming, Graph Theory, Math paleta COCI 2013/2014 Batch 2
preciseforecast N/A Tags: Graph Theory preciseforecast LOJ #3101 Batch 2
coolslogans N/A Tags: Data Structures coolslogans LOJ #6288 Batch 2
valves N/A Tags: Data Structures Valves Dec Course 2022 BAPS (beepbeepsheep) Batch 2
presents N/A Tags: Explicitly Excluded (from IOI), Math presents (EE) Valentines Contest 2021 (maomao90) Batch 2
UCFJ N/A Tags: Data Structures UCFJ USACO 2021 US Open, Platinum Batch 2
killanton_ex N/A Tags: Bitmask, Dynamic Programming killanton_ex Valentine's Day Contest 2022 (errorgorn) Batch 2
tomskitchen N/A Tags: Dynamic Programming Tom’s Kitchen BOI 2019 Day 2 Batch 2
sandcastle2 N/A Tags: Bitmask, Dynamic Programming, Graph Theory Sandcastle 2 JOI 2022 Final Round Batch 2
boat N/A Tags: Dynamic Programming, Math Boat APIO 2016 Batch 2
friendcross N/A Tags: Data Structures friendcross USACO 2017 Feb Plat Batch 2
figures N/A Tags: Binary Search, Dynamic Programming Figures IOI 2020 Practice Session Batch 2
rabbitgifts N/A Tags: Data Structures, Math rabbitgifts December Course 2018 Advanced Final Contest Batch 2
springtrap N/A Tags: Data Structures springtrap Educational Round 1 (bensonlzl) Batch 2
koala N/A Tags: Binary Search, Constructive Algorithms, Divide and Conquer, Information Theory Koala Game APIO 2017 Interactive 2
papplesort N/A Tags: Data Structures papplesort Dunjudge Archive Batch 2
seabreakpath N/A Tags: Data Structures Seabreak Path SGP Sparring 2021 (lovemathboy) Batch 2
cakeatstake N/A Tags: Data Structures Cake at Stake IOI 2020 Practice Session Batch 2
phonenumbers N/A Tags: 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
ispit N/A Tags: Adhoc ispit COCI 2018/2019 Batch 2
kthpar N/A Tags: Explicitly Excluded (from IOI), Graph Theory, Trees JiaHng couldn’t solve this lol folklore (errorgorn) Batch 2
weddingcity N/A Tags: Constructive Algorithms, Graph Theory weddingcity IOI Sparring 2018 SGP Batch 2
cipele N/A Tags: Binary Search, Greedy cipele COCI 2018/2019 Batch 2
fiboregisters N/A Tags: Adhoc, Constructive Algorithms, Math IOI Registers: but epic TROC 24 (errorgorn) Batch 2
boarding N/A Tags: Graph Theory boarding NUSH ISC 2018 Batch 2
judgequeue N/A Tags: Data Structures judgequeue Dunjudge Archive Interactive 2
ninjaseasy N/A Tags: Data Structures Ninjas (Easy) TROC 24 (oolimry) Batch 2
paint_coi N/A Tags: Graph Theory, Square Root Decomposition paint_coi COI 2020 Batch 2
spotlights N/A Tags: Adhoc Estelle’s Concert Spotlights RI-HCI NOI Selection Test 2018 Batch 2
wearenumberone N/A Tags: Graph Theory We Are Number One IOI 2020 Practice Session Batch 2
stagegames_part2 N/A Tags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 6 - 10) RI-HCI NOI Selection Test 2018 Interactive 2
towers_ioi N/A Tags: Binary Search, Data Structures, Greedy Radio Towers IOI 2022 (Day 1) Interactive 2
lottery N/A Tags: Adhoc Lottery CEOI 2018 Batch 2
construction N/A Tags: Graph Theory, Trees Construction of Highway JOI 2017/2018 Spring Camp Batch 2
goneviral N/A Tags: Binary Search, Graph Theory Gone Viral IOI 2020 Practice Session Batch 2
minimax N/A Tags: Graph Theory, Trees minimax Hello 2020 (errorgorn) Batch 2
cantor_ex N/A Tags: Binary Search, Information Theory cantor_ex Valentine's Day Contest 2022 (errorgorn) Interactive 2
inversionsum N/A Tags: Dynamic Programming, Math inversionsum Dunjudge Archive Batch 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
nuskevsphantom N/A Tags: Graph Theory, Trees Nuske vs Phantom Thnook AGC 015C Batch 1
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
lightsout N/A Tags: Constructive Algorithms, Dynamic Programming, Graph Theory, Trees Light's Out Dunjudge Archive Interactive 1
cursordistance N/A Tags: Binary Search, Math cursordistance Codeforces 1246F Batch 1
trianglecraft N/A Tags: Math Trianglecraft HCI NOI Selection Test 2017 Batch 1
hanabi N/A Tags: Binary Search, Data Structures hanabi IOI Sparring 2018 SGP Batch 1
manymsts N/A Tags: Binary Search, Graph Theory manymsts LOJ #3635 Batch 1
usefft2 N/A Tags: Math Use FFT 2 Valentine's Day Contest 2022 (errorgorn) 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
redstonelamps N/A Tags: Explicitly Excluded (from IOI), Math Redstone Lamps HCI NOI Selection Test 2017 Batch 1
squaregraph N/A Tags: Graph Theory Square Graph AGC 011C Batch 1
consistency N/A Tags: Data Structures Consistency RI-HCI NOI Selection Test 2019 (bensonlzl) Batch 1
virus N/A Tags: Adhoc, Graph Theory, Line Sweep/Sliding Window virus JOISC 2017, Day 1 Batch 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
avoidcollision N/A Tags: Dynamic Programming, Graph Theory avoidcollision ARC 090C Batch 1
treeinteger N/A Tags: Graph Theory, Greedy, Trees treeinteger ARC 063E Batch 1
pond N/A Tags: Data Structures, Dynamic Programming pond NOI 2021 Finals Batch 1
watchmen N/A Tags: Graph Theory watchmen BOI 2021 Batch 1
switchandflip N/A Tags: Constructive Algorithms, Graph Theory, Math Switch and Flip Codeforces Global Round 13 (errorgorn, oolimry) 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
rookable N/A Tags: Graph Theory Rookable NUSH NOI Selection Test 2018 Batch 1
cellulardata N/A Tags: Bitmask, Dynamic Programming, Explicitly Excluded (from IOI), Math Cellular Data IOI 2020 Practice Session Batch 1
sherlockgraph N/A Tags: Graph Theory sherlockgraph HackerRank 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
gathering N/A Tags: Graph Theory, Greedy gathering USACO 2018 December Platinum Batch 1
hieroglyphs N/A Tags: Graph Theory, Math hieroglyphs ACM/ICPC World Finals 2011 Batch 1
shorten N/A Tags: Brute Force, Graph Theory, Trees shorten AGC 001C Batch 1
alternating N/A Tags: Dynamic Programming, Greedy alternating BOI 2018 Batch 1
minedges N/A Tags: Graph Theory Minimizing Edges USACO 2021 February Contest, Platinum Batch 1
fruits_noi N/A Tags: Data Structures, Dynamic Programming Fruits NOI 2022 Finals (bensonlzl) Batch 1
wakeup N/A Tags: Binary Search, Data Structures Wake Up IOI 2020 Practice Session Batch 1
dynamicdiameter2 N/A Tags: Graph Theory, Trees Dynamic Diameter 2 RMI 2020 Batch 1
naturalpark N/A Tags: Graph Theory, Information Theory naturalpark JOISC 2017 Interactive 1
usefft3 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 3 Valentine's Day Contest 2022 (errorgorn) Batch 1
evolution N/A Tags: Graph Theory, Trees Evolution Korean IOI Selection Day 1 Batch 1
arrangement N/A Tags: Data Structures, Dynamic Programming, Greedy arrangement LOJ #3327 Batch 1
idigit N/A Tags: Bitmask, Math I Dig It! IOI 2020 Practice Session Batch 1
mountain N/A Tags: Data Structures Mountain IOI 2005 Batch 1
binaryseq N/A Tags: Math BinarySeq Dunjudge Archive (bensonlzl) Batch 1
candycrush N/A Tags: Dynamic Programming Candy Crush Dunjudge Archive Batch 1
crab N/A Tags: Bitmask, Dynamic Programming Crab NUSH NOI Selection Test 2018 Batch 1
maxmex N/A Tags: Data Structures, Graph Theory, Trees Max Mex Dunjudge Archive Batch 1
lampice N/A Tags: Binary Search, Dynamic Programming, Graph Theory, Trees lampice COCI 2019/2020 Batch 1
wheelofmisfortune N/A Tags: Adhoc, Brute Force, Math Wheel of Misfortune IOI 2020 Practice Session Batch 1
obelisk N/A Tags: Graph Theory obelisk NOI 2014 Batch 1
cats N/A Tags: Adhoc cats NOI 2014 Batch 1
twoavenues N/A Tags: Data Structures, Graph Theory, Trees twoavenues Codeforces 1648F Batch 0