Filter Problems

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Problem ID
Your Score
Title
Source
Problem Type
#ACs
whackamole N/A Tags: Binary Search, Line Sweep/Sliding Window Whack-A-Mole CF 1852A Batch 24
binarylock N/A Tags: Bitmask, Meet in the Middle binarylock CF 1257F Batch 11
bossbattle N/A Tags: Brute Force, Data Structures Boss Battle Classic Problem in China Batch 10
OrXor N/A Tags: Bitmask, Syntax orxor Unknown Source Batch 10
SameMapInTheRpgWorld N/A Tags: Syntax samemap Unknown Source Batch 18
nextprime N/A Tags: Math, Syntax nextprime Unknown Source Batch 47
gentlepairs N/A Tags: Syntax gentlepairs Unknown Source Batch 43
slimes N/A Tags: Syntax slimes Unknown Source Batch 53
breakfast N/A Tags: Syntax breakfast Dunjudge Archive Batch 64
firstabc N/A Tags: Syntax firstabc Unknown Source Batch 57
chickensoup N/A Tags: Data Structures, Math chickensoup ABC 256F Batch 15
polyomino N/A Tags: Syntax polyomino ABC 322D Batch 5
monsters N/A Tags: Greedy Monsters Dec Course 2023 Selection Test (beepbeepsheep) Batch 51
flipcards N/A Tags: Binary Search, Dynamic Programming Cards Ucup Stage 8 M (modified) Batch 39
flip N/A Tags: Graph Theory Flipping Edges JOIG 2021 Batch 28
ippt N/A Tags: Syntax IPPT Dec Course 2023 Selection Test (errorgorn) Batch 99
staircase N/A Tags: Greedy Staircase ABC 148D Batch 90
plantingpotatoes N/A Tags: Adhoc, Binary Search Planting Potatoes ABC 300F Batch 15
humantrafficking N/A Tags: Graph Theory Human Trafficking Italian Informatics Olympiad Batch 10
sunshine N/A Tags: Dynamic Programming Sunshine RI Novcourse Final Contest 2023 (zixuan, ryangohca) Batch 19
conductslip N/A Tags: Greedy Conduct Slip RI Novcourse Final Contest 2023 (RandomPerson, Tyx2019) Batch 31
eeniemeenie N/A Tags: Syntax eeniemeenie HCI November Final Contest 2023 (shoryu386) Batch 90
mountainbridges N/A Tags: Data Structures, Dynamic Programming mountainbridges HCI November Final Contest 2023 (huangqr) Batch 30
sortingtrainers N/A Tags: Adhoc Sorting Trainers Bologna IOI in Teams 2017 Batch 48
deforestation N/A Tags: Binary Search, Greedy deforestation HCI November Final Contest 2023 (TheRaptor) Batch 46
boardvision N/A Tags: Syntax Board Vision RI Novcourse Final Contest 2023 (zixuan, nianhe) Batch 34
devour N/A Tags: Adhoc devour HCI November Final Contest 2023 (penguin133) Batch 62
candles N/A Tags: Adhoc candles ABC 107C Batch 62
game_ioi13 N/A Tags: Data Structures, Explicitly Excluded (from IOI) game IOI 2013 Interactive 1
robotcontest N/A Tags: Adhoc, Constructive Algorithms, Graph Theory Robot Contest IOI 2023 (Day 2) Interactive 1
seagame N/A Tags: Dynamic Programming, Graph Theory, Trees seagame ABC 218G Batch 13
fenwicktree_easy N/A Tags: Syntax fenwicktree_easy RI November Course 2023 Diagnostic Test (Potato3218, nianhe) Batch 57
beechtree N/A Tags: Graph Theory, Trees Beech Tree IOI 2023 (Day 2) Interactive 1
overtaking N/A Tags: Adhoc, Binary Search Overtaking IOI 2023 (Day 2) Interactive 1
flamethrower_ex N/A Tags: Data Structures, Line Sweep/Sliding Window flamethrower_ex RI November Course 2023 Diagnostic Test (Potato3218) Batch 26
gotoschool_ex N/A Tags: Syntax gotoschool_ex RI November Course 2023 Diagnostic Test (NeeNawAmbulance, nianhe) Batch 63
longesttrip N/A Tags: Graph Theory, Information Theory Longest Trip IOI 2023 (Day 1) Interactive 1
soccer N/A Tags: Data Structures, Dynamic Programming, Graph Theory Soccer Stadium IOI 2023 (Day 1) Interactive 2
closing N/A Tags: Data Structures, Graph Theory, Greedy, Trees Closing Time IOI 2023 (Day 1) Interactive 2
melons_joig N/A Tags: Binary Search, Dynamic Programming Melons JOIG 2021/2022 Batch 15
packingducks N/A Tags: Brute Force, Dynamic Programming packingducks Classic Problem Batch 20
magicspell N/A Tags: Line Sweep/Sliding Window magicspell AOI 2023 Day 2 (shoryu386) Batch 14
magicboard N/A Tags: Adhoc, Math magicboard AOI 2023 Day 2 (shoryu386) Batch 18
alienalien N/A Tags: Syntax alienalien AOI 2023 Day 1 (shoryu386) Batch 44
magicstring N/A Tags: Syntax magicstring AOI 2023 Day 2 (shoryu386) Batch 28
matsuri N/A Tags: Dynamic Programming matsuri AOI 2023 Day 1 (shoryu386) Batch 16
motivation N/A Tags: Greedy Motivation is Dead AOI 2023 Day 1 (shoryu386) Batch 30
threetwentyoneam N/A Tags: Dynamic Programming threetwentyoneam AOI 2023 Day 1 (shoryu386) Batch 9
galaxycollapse N/A Tags: Graph Theory galaxycollapse AOI 2023 Day 2 (shoryu386) Batch 8
kanji N/A Tags: Information Theory kanji Dunjudge Archive Communication 2
messenger N/A Tags: Information Theory messenger Dunjudge Archive Communication 3
abc_apio23 N/A Tags: Constructive Algorithms, Divide and Conquer, Information Theory, Joke Alice, Bob and Circuit APIO 2023 Batch 18
sequence_apio23 N/A Tags: Data Structures Sequence APIO 2023 Interactive 3
cyberland_apio23 N/A Tags: Graph Theory Cyberland APIO 2023 Interactive 11
realfun N/A Tags: Binary Search Real Fun CPSPC 2010 Batch 1
roadtrip N/A Tags: Dynamic Programming, Graph Theory, Trees Road Trip Classic Problem Batch 7
pandanumbers N/A Tags: Data Structures, Meet in the Middle Numbers Dunjudge Archive Batch 14
doors N/A Tags: Graph Theory Doors Dunjudge Archive Batch 8
treasures N/A Tags: Graph Theory Stolen Treasures Dunjudge Archive Batch 9
kamion N/A Tags: Dynamic Programming kamion COCI 2010/2011 Batch 1
morefun N/A Tags: Dynamic Programming Even more fun CPSPC 2010 Batch 1
thief N/A Tags: Dynamic Programming thief Dunjudge Archive Batch 1
conlang N/A Tags: Syntax conlang HCI EC³ Beginner Contest (geometric) Batch 57
noodlestore N/A Tags: Data Structures noodlestore HCI EC³ Beginner Contest (WH8) Batch 27
hackthectf N/A Tags: Binary Search, Greedy hackthectf HCI EC³ Beginner Contest (blackscreen1, shoryu386) Batch 6
waterbottles N/A Tags: Adhoc, Math waterbottles HCI EC³ Beginner Contest (AlphanumericUsername) Batch 35
parallelogramfest N/A Tags: Dynamic Programming parallelogramfest HCI EC³ Beginner Contest (Tyx2019) Batch 8
islands2 N/A Tags: Dynamic Programming, Graph Theory, Trees Islands IOI 2008 Batch 4
rooms N/A Tags: Dynamic Programming, Graph Theory, Trees rooms RI Mock NOI 2015 Batch 8
toxicwaste N/A Tags: Graph Theory Toxic Waste Dunjudge Archive Batch 1
steeple N/A Tags: Graph Theory Cow Steeplechase USACO 2011 Nov, Gold Batch 1
pancake_ex N/A Tags: Brute Force, Meet in the Middle Pancake (Extreme) Classic Problem Batch 1
expressways N/A Tags: Graph Theory expressways Dunjudge Archive Batch 8
gugdance N/A Tags: Constructive Algorithms, Graph Theory gugdance Dunjudge Archive Batch 2
kas N/A Tags: Dynamic Programming kas COCI 2016/2017 Round #4 Batch 8
towns N/A Tags: Graph Theory, Information Theory, Trees Towns IOI 2015 Interactive 1
sorting N/A Tags: Binary Search, Constructive Algorithms Sorting IOI 2015 Interactive 1
teams N/A Tags: Constructive Algorithms, Data Structures, Dynamic Programming Teams IOI 2015 Interactive 1
guessproblem4 N/A Tags: Explicitly Excluded (from IOI), Joke Guess Problem 4 April Fools 2023 (ryangohca, ecxx) Interactive 2
deciphering_zane_ex N/A Tags: Explicitly Excluded (from IOI), Joke Decusohrting Znakeje: extendied c34s8hb April Fools 2023 (ecxx, Xiaoyang, leyi) Interactive 5
scales N/A Tags: Brute Force, Information Theory Scales IOI 2015 Interactive 1
guessproblem3 N/A Tags: Joke Guess Problem 3 April Fools 2023 (ecxx) Batch 11
boxes N/A Tags: Dynamic Programming, Greedy Boxes with souvenirs IOI 2015 Interactive 4
qualityinspections N/A Tags: Data Structures qualityinspections ANDSS Coding Head Sel 2023 Duel (penguin133, shoryu386) Batch 12
trivialexam_ex_ex N/A Tags: Explicitly Excluded (from IOI), Joke trivialexam_ex_ex April Fools 2023 (oolimry, elainagrey, Xiaoyang) Batch 43
paint_ioi N/A Tags: Adhoc, Dynamic Programming Paint By Numbers IOI 2016 Interactive 2
shortcut N/A Tags: Binary Search, Graph Theory, Line Sweep/Sliding Window Shortcut IOI 2016 Interactive 1
ducktransport N/A Tags: Binary Search, Greedy ducktransport ANDSS Coding Head Sel 2023 Duel (bron, shoryu386) Batch 15
trivialexam_ex N/A Tags: Explicitly Excluded (from IOI), Joke trivialexam_ex April Fools 2023 (Xiaoyang) Batch 7
1402_2 N/A Tags: Graph Theory, Joke 1402_2 April Fools 2023 (blackscreen1) Batch 13
soos N/A Tags: Graph Theory, Joke, Math soos April Fools 2023 (hmm) Batch 8
findinggrass_ex N/A Tags: Joke Helping an ex-cs student touch grass while blindfolded with my insane programming skills in another world April Fools 2023 (siewjh) Batch 24
sniper N/A Tags: Math sniper ANDSS Coding Head Sel 2023 Duel (shoryu386) Batch 23
motest2 N/A Tags: Joke, Math MOtest2 April Fools 2023 (Tyx2019) Batch 24
onlineexam N/A Tags: Constructive Algorithms, Explicitly Excluded (from IOI), Information Theory, Joke, Math Online Exam April Fools 2023 (zengminghao) Interactive 3
trivialexam N/A Tags: Explicitly Excluded (from IOI), Joke 小菜一碟 April Fools 2023 (Xiaoyang) Batch 30
guessproblem2 N/A Tags: Explicitly Excluded (from IOI), Joke Guess Problem 2 April Fools 2023 (ryangohca) Batch 14
whatisthisactf N/A Tags: Explicitly Excluded (from IOI), Joke What is this, a CTF? April Fools 2023 (tux) Interactive 10
nevergiveup N/A Tags: Joke Never Give Up April Fools 2023 (bron, penguin133) Batch 45
hiddenarray N/A Tags: Joke, Math Hidden Array April Fools 2023 (ecxx) Batch 6
goodprogrammer N/A Tags: Explicitly Excluded (from IOI), Joke Be a Good Programmer April Fools 2023 (shoryu386) Batch 62
gerrymandering_ex N/A Tags: Greedy Gerrymandering (Extreme) Dec Course 2021 BAPS (modified) (beepbeepsheep) Batch 1
toxic N/A Tags: Binary Search, Information Theory Toxic Gene NOI 2023 Finals (bensonlzl) Interactive 7
topical N/A Tags: Adhoc Topical NOI 2023 Finals (bensonlzl) Batch 53
inspections N/A Tags: Data Structures Inspections NOI 2023 Finals (bensonlzl) Batch 23
airplane N/A Tags: Graph Theory, Greedy Airplane NOI 2023 Finals (bensonlzl, oolimry) Batch 25
curtains N/A Tags: Data Structures, Divide and Conquer Curtains NOI 2023 Finals (bensonlzl) Batch 23
pplow N/A Tags: Line Sweep/Sliding Window pplow Classic Problem Batch 13
deciphering_zane N/A Tags: Explicitly Excluded (from IOI), Joke Dceiprhenig Zane April Fools 2023 (zaneyu, Xiaoyang, leyi, ecxx, tux, Craftless, Gladius3482) Batch 20
simplebridges N/A Tags: Math, Syntax simplebridges ANDSS February 2023 Contest (shoryu386) Batch 115
network N/A Tags: Graph Theory, Greedy, Trees network NOI 2023 Qualification Contest (errorgorn) Batch 31
doll_noi N/A Tags: Data Structures, Greedy doll_noi NOI 2023 Qualification Contest (yanhao, oolimry) Batch 58
burgers N/A Tags: Binary Search, Data Structures, Math burgers NOI 2023 Qualification Contest (oolimry, bensonlzl, yanhao) Batch 57
swords N/A Tags: Syntax swords NOI 2023 Qualification Contest (yanhao) Batch 113
area_noi N/A Tags: Syntax area_noi NOI 2023 Qualification Contest (yanhao) Batch 199
railroad N/A Tags: Graph Theory, Greedy Roller Coaster Railroad IOI 2016 Interactive 2
simurgh N/A Tags: Graph Theory, Information Theory, Trees Simurgh IOI 2017 Interactive 1
iqtest4 N/A Tags: Math iqtest4 Valentine's Day Contest 2023 (zixuan) Batch 7
xorsplit N/A Tags: Bitmask, Divide and Conquer, Explicitly Excluded (from IOI) xorsplit Valentine's Day Contest 2023 (blackscreen1, pavement, maomao90, zaneyu) Batch 2
motest N/A Tags: Math MOtest Valentine's Day Contest 2023 (Tyx2019) Batch 18
messages N/A Tags: Information Theory Messages Valentine's Day Contest 2023 (beepbeepsheep) Communication 5
squidgame N/A Tags: Data Structures Squid Game 2: Hot Chocolate Valentine's Day Contest 2023 (Wenkai, beepbeepsheep) Batch 3
fractional_knapsack N/A Tags: Greedy fractional_knapsack Classic Problem Batch 13
magiccarps N/A Tags: Brute Force, Syntax magiccarps ANDSS Contest 2 (Greedy and Bruteforce) (shoryu386) Batch 32
binaryspells N/A Tags: Greedy, Math binaryspells ANDSS Contest 2 (Greedy and Bruteforce) (shoryu386) Batch 35
cny N/A Tags: Greedy cny ANDSS Contest 2 (Greedy and Bruteforce) (LCJLY) Batch 60
sandcity N/A Tags: Dynamic Programming sandcity Random Idea (shoryu386, Reverberate) Batch 16
experimentexplodeexpel N/A Tags: Explicitly Excluded (from IOI), Math Experiment. Explode. Expel. Dunjudge Archive Batch 9
lightsflip N/A Tags: Adhoc, Dynamic Programming lightsflip Dunjudge Archive Batch 10
happyarrays N/A Tags: Dynamic Programming, Line Sweep/Sliding Window Happy Arrays Classic Problem (penguin133) Batch 18
hieroglyphs N/A Tags: Graph Theory, Math hieroglyphs ACM/ICPC World Finals 2011 Batch 1
celldivision N/A Tags: Binary Search, Math celldivision Random Idea (shoryu386) Batch 28
numberfun N/A Tags: Dynamic Programming numberfun Dunjudge Archive Batch 37
lightsout N/A Tags: Constructive Algorithms, Dynamic Programming, Graph Theory, Trees Light's Out Dunjudge Archive Interactive 3
rbpoints N/A Tags: Data Structures, Greedy rbpoints ABC 091C Batch 9
removemq N/A Tags: Brute Force, Data Structures, Greedy removemq ARC 098E Batch 5
fliprect N/A Tags: Adhoc, Data Structures, Dynamic Programming fliprect ARC 081F Batch 1
candies2 N/A Tags: Greedy candies2 ARC 064A Batch 19
cipele N/A Tags: Binary Search, Greedy cipele COCI 2018/2019 Batch 2
merchant2 N/A Tags: Greedy merchant2 ABC 047D Batch 6
colouring N/A Tags: Graph Theory colouring AGC 012B Batch 6
zamjena N/A Tags: Graph Theory zamjena COCI 2018/2019 Batch 2
dogmonkey N/A Tags: Math dogmonkey ABC 065C Batch 38
goodgame N/A Tags: Explicitly Excluded (from IOI), Math goodgame ARC 072D Batch 17
split2 N/A Tags: Graph Theory, Greedy, Trees Split December Course 2018 Elementary Final Contest Batch 10
personalspace N/A Tags: Binary Search, Dynamic Programming, Line Sweep/Sliding Window personalspace December Course 2018 Elementary Final Contest Batch 12
nou N/A Tags: Adhoc no "u" December Course 2018 Elementary Final Contest (bensonlzl) Batch 39
socks N/A Tags: Adhoc, Syntax socks December Course 2018 Elementary Final Contest (Damian) Batch 39
souvenirs2 N/A Tags: Data Structures, Math souvenirs2 ARC 068C Batch 5
competitiveteams N/A Tags: Graph Theory, Square Root Decomposition Competitive Teams HackerRank Batch 2
avoidcollision N/A Tags: Dynamic Programming, Graph Theory avoidcollision ARC 090C Batch 1
build N/A Tags: Graph Theory, Greedy build ABC 065D Batch 18
nuskevsphantom N/A Tags: Graph Theory, Trees Nuske vs Phantom Thnook AGC 015C Batch 6
treeinteger N/A Tags: Graph Theory, Greedy, Trees treeinteger ARC 063E Batch 1
shorten N/A Tags: Brute Force, Graph Theory, Trees shorten AGC 001C Batch 9
squaregraph N/A Tags: Graph Theory Square Graph AGC 011C Batch 2
masquerade N/A Tags: Graph Theory, Math masquerade BZOJ 1064 Batch 1
restoreroad N/A Tags: Graph Theory Restore Road ABC 074D Batch 5
kfc N/A Tags: Math, Syntax kfc ANDSS Contest 1 (Syntax) (haydendoo) Batch 76
passwords N/A Tags: Graph Theory passwords Dunjudge Archive Batch 9
harmony N/A Tags: Graph Theory harmony Dunjudge Archive Batch 2
homeworkextension N/A Tags: Syntax homeworkextension ANDSS Contest 1 (Syntax) (Josh28) Batch 56
rabbitmilk N/A Tags: Greedy rabbitmilk Dunjudge Archive Batch 16
judgequeue N/A Tags: Data Structures judgequeue Dunjudge Archive Interactive 4
ultimateifelse N/A Tags: Syntax Ultimate ifelse (correct amount of 2s is 222222222222222222222) ANDSS Contest 1 (Syntax) (LCJLY) Batch 109
duckwander N/A Tags: Syntax duckwander ANDSS Contest 1 (Syntax) (shoryu386) Batch 77
guards_easy N/A Tags: Binary Search, Data Structures, Dynamic Programming, Joke Guards (Easy) Dunjudge Archive (modified) (beepbeepsheep) Batch 6
volcanic N/A Tags: Binary Search, Graph Theory Volcanic Travel ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 15
palindromicfever N/A Tags: Dynamic Programming, Math Palindromic Fever ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 10
belittle N/A Tags: Dynamic Programming belittle ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 28
numbergame N/A Tags: Binary Search numbergame ANDSS Welcome 2023 (Day 2) (shoryu386) Batch 27
snowball N/A Tags: Greedy, Syntax snowball ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 101
swayingflowers N/A Tags: Math, Syntax swayingflowers ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 110
telephone N/A Tags: Syntax Telephone Game ANDSS Welcome 2023 (Day 1) (shoryu386) Batch 82
modulochain N/A Tags: Math, Syntax modulochain Anderson Trg (shoryu386) Batch 73
perfectprimes N/A Tags: Math perfectprimes Anderson Fluff Contest (Josh28, shoryu386) Batch 37
duckwar N/A Tags: Binary Search, Greedy, Math duckwar Anderson Fluff Contest (shoryu386) Batch 20
nicenumber N/A Tags: Joke nicenumber Anderson Fluff Contest (haydendoo) Batch 87
football N/A Tags: Dynamic Programming football Anderson Fluff Contest (LCJLY) Batch 19
veryeasyproblem N/A Tags: Joke veryeasyproblem Anderson Fluff Contest (shoryu386) Batch 222
royalguards N/A Tags: Data Structures, Dynamic Programming royalguards AMOS OI 2022 (buffed) (shoryu386) Batch 11
guards_ex N/A Tags: Adhoc, Greedy, Joke Guards (Extreme) Zane (zaneyu, ryangohca) Batch 43
nostatement N/A Tags: Joke, Math nostatement Dunjudge Archive Batch 24
guessproblem N/A Tags: Information Theory, Joke Guess Problem peepeepoopoo (Potato3218, ryangohca) Batch 33
reopening N/A Tags: Constructive Algorithms, Graph Theory, Trees Reopening Shop Dec Course 2022 BAPS (errorgorn, Halogen) Batch 24
kthpar N/A Tags: Divide and Conquer, Explicitly Excluded (from IOI), Graph Theory, Trees JiaHng couldn’t solve this lol folklore (errorgorn) Batch 2
removalcosts N/A Tags: Adhoc, Greedy, Math Removal Costs Dec Course 2022 BAPS (maomao90) Batch 19
findinggrass N/A Tags: Data Structures, Greedy Finding Grass Dec Course 2022 BAPS (hmm) Batch 16
valves N/A Tags: Data Structures Valves Dec Course 2022 BAPS (beepbeepsheep) Batch 2
hungryrabbits3 N/A Tags: Binary Search, Greedy Hungry Rabbits 3 Dec Course 2022 BAPS (bensonlzl) Batch 4
lctocd N/A Tags: Brute Force, Data Structures, Divide and Conquer, Graph Theory, Greedy, Trees LCT OCD Atcoder Nikkei Finals 2019 Batch 7
gohcart N/A Tags: Data Structures, Dynamic Programming, Graph Theory Goh Cart Codeforces 1715E (f0restf1re) Batch 18
newjeans N/A Tags: Divide and Conquer, Dynamic Programming Bob's New Jeans Codeforces 868F Batch 16
pipes N/A Tags: Graph Theory Pipes CEOI 2015 Batch 20
sherlockgraph N/A Tags: Graph Theory sherlockgraph HackerRank Batch 2
semiconnected N/A Tags: Graph Theory semiconnected Dunjudge Archive Batch 9
police N/A Tags: Dynamic Programming, Graph Theory Police Station CPSPC 2017 Batch 17
reachability N/A Tags: Dynamic Programming, Graph Theory reachability Classic Problem Batch 15
gotoubun N/A Tags: Data Structures, Dynamic Programming gotoubun folklore (errorgorn) Batch 35
hld2 N/A Tags: Data Structures, Graph Theory, Trees hld2 LOJ P3532 Batch 9
dynamicdiameter2 N/A Tags: Graph Theory, Trees Dynamic Diameter 2 RMI 2020 Batch 1
letterstamper_ex N/A Tags: Dynamic Programming Letter Stamper (Extreme) Google Code Jam 2010 (modified) (ryangohca) Batch 5
rainbowroad_ex N/A Tags: Dynamic Programming, Graph Theory, Trees Rainbow Road (Extreme) HCI-RI 2020 May Contest (modified) (errorgorn) Batch 4
socialdistance N/A Tags: Adhoc, Graph Theory, Trees Social Distance Codeforces 1381D Batch 4
rootedlca N/A Tags: Graph Theory, Trees Rooted LCA folklore (errorgorn) Batch 45
dynamicdiameter N/A Tags: Graph Theory, Trees Dynamic Diameter CEOI 2019 Batch 4
jumpontree N/A Tags: Graph Theory, Trees jumpontree yosupo's judge Batch 47
candyboxes N/A Tags: Data Structures candyboxes Rujia Liu's Present 3 (Kattis) Batch 43
iqtest3 N/A Tags: Constructive Algorithms, Graph Theory iqtest3 AGC 50A Batch 57
hld N/A Tags: Data Structures, Graph Theory, Trees hld LOJ P139 Batch 22
splittingtree N/A Tags: Graph Theory, Trees Splitting Tree LOJ P3213 Batch 1
love N/A Tags: Bitmask, Dynamic Programming, Graph Theory, Trees What is love? Luogu P8280 Batch 6
sumalllis N/A Tags: Bitmask, Dynamic Programming, Joke Sum All LIS Luogu P4484 (modified) (zaneyu) Batch 7
feelgood N/A Tags: Dynamic Programming, Math Feel Good Luogu P2602 Batch 25
closingshop N/A Tags: Dynamic Programming, Graph Theory Closing Shop Codeforces 721C Batch 28
redblacktree N/A Tags: Adhoc, Graph Theory, Trees redblacktree Codeforces 1156D Batch 41
obstacletree N/A Tags: Dynamic Programming, Graph Theory, Greedy, Trees obstacletree Codeforces 1528A Batch 37
treepruning2 N/A Tags: Graph Theory, Greedy, Trees Pruning Trees Codeforces 1593E (modified) (ecxx) Batch 31
treepruning N/A Tags: Brute Force, Graph Theory, Trees Tree Pruning Codeforces 1593E Batch 50
arraypartition N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window arraypartition Codeforces 487B Batch 27
bracketcoloring N/A Tags: Dynamic Programming bracketcoloring Codeforces 149D Batch 5
segmentoperations N/A Tags: Data Structures, Dynamic Programming, Math Segment Operations Codeforces 1743F Batch 14
paintrectangles N/A Tags: Data Structures, Line Sweep/Sliding Window paintrectangles Codeforces 983D Batch 7
specialmultiset N/A Tags: Data Structures specialmultiset Codeforces 981G Batch 12
shuffling N/A Tags: Dynamic Programming Shuffling ARC 065D Batch 12
obstacles N/A Tags: Binary Search, Dynamic Programming obstacles Codeforces 360B Batch 27
simpletask N/A Tags: Data Structures A Simple Task Codeforces 558E Batch 35
purplecandy N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Purple Candy Classic Problem (shenxy13, ryangohca) Batch 64
exhibition N/A Tags: Greedy Exhibition JOI 2018/2019 Final Round Batch 43
copyandpaste N/A Tags: Greedy Copy And Paste Codeforces 1688F Batch 9
packingpests N/A Tags: Data Structures, Dynamic Programming packingpests Kattis Batch 9
flipthat N/A Tags: Dynamic Programming, Math Flip That Codeforces 1630D Batch 11
lualectures N/A Tags: Constructive Algorithms, Greedy Lua Lectures Classic Problem Batch 66
luarulers N/A Tags: Greedy Lua Rulers Codeforces 1748C Batch 55
placingrouters N/A Tags: Greedy Placing Routers Codeforces 1764E Batch 14
movingboxes N/A Tags: Data Structures, Greedy movingboxes Codeforces 1030F Batch 12
mountainrange N/A Tags: Data Structures, Greedy mountainrange Codeforces 935F Batch 12
buygifts N/A Tags: Binary Search buygifts Codeforces 1619D Batch 58
addk N/A Tags: Data Structures, Math addk EJOI 2021 Batch 36
buycoke N/A Tags: Dynamic Programming Buying Coke Kattis Batch 29
letterstamper N/A Tags: Dynamic Programming Letter Stamper Google Code Jam 2010 (modified) Batch 48
lratio N/A Tags: Data Structures, Dynamic Programming L + Ratio Алгоритм 2022 Batch 24
weightlifting N/A Tags: Dynamic Programming weightlifting Google Code Jam 2022 Round 1A Batch 3
lamps N/A Tags: Graph Theory Lamps CF1290C Batch 6
friendlyrooks N/A Tags: Brute Force, Greedy Friendly Rooks 2022 December Course Diagnostic Test (errorgorn) Batch 13
badchef N/A Tags: Graph Theory Bad Chef NUS CS3233 2020 (Kattis) Batch 14
rangedeleting N/A Tags: Line Sweep/Sliding Window Range Deleting CF1167E Batch 19
anutforajaroftuna N/A Tags: Dynamic Programming, Greedy A Nut For A Jar Of Tuna CF730J Batch 21
stories N/A Tags: Dynamic Programming, Graph Theory Stories Cat RI November Course Stage 2 Selection Test 2022 (AJR) Batch 47
garden N/A Tags: Graph Theory Garden Cat RI November Course Stage 2 Selection Test 2022 (tux, ryangohca) Batch 44
routine N/A Tags: Binary Search Routine Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 101
eating N/A Tags: Data Structures Eating Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 95
reading N/A Tags: Math, Syntax Reading Cat RI November Course Stage 2 Selection Test 2022 (wangy412) Batch 113
choochoo N/A Tags: Syntax Choo Choo RI-HCI Final Contest 2022 (bensonlzl) Batch 207
superpiece N/A Tags: Adhoc, Graph Theory Superpiece EGOI 2022 Day 2 Batch 4
datacenters N/A Tags: Adhoc Data Centers EGOI 2022 Day 2 Batch 12
tourists N/A Tags: Data Structures, Graph Theory, Trees Tourists EGOI 2022 Day 1 Batch 5
subsetmex N/A Tags: Adhoc Subset Mex EGOI 2022 Day 1 Batch 17
legowall N/A Tags: Dynamic Programming, Math Lego Wall EGOI 2022 Day 1 Batch 7
candycrush N/A Tags: Dynamic Programming Candy Crush Dunjudge Archive Batch 2
alternating N/A Tags: Dynamic Programming, Greedy alternating BOI 2018 Batch 1
lampice N/A Tags: Binary Search, Dynamic Programming, Graph Theory, Trees lampice COCI 2019/2020 Batch 2
naturalpark N/A Tags: Graph Theory, Information Theory naturalpark JOISC 2017 Interactive 1
evolution N/A Tags: Graph Theory, Trees Evolution Korean IOI Selection Day 1 Batch 1
dzumbus N/A Tags: Dynamic Programming, Graph Theory, Trees Džumbus COCI 2019/2020 Batch 6
unitedcows N/A Tags: Data Structures, Line Sweep/Sliding Window United Cows USACO 2021 Open, Gold Batch 10
flyingsquirrel N/A Tags: Data Structures, Dynamic Programming, Greedy, Slope Trick Flying Squirrel Korean IOI Selection Day 1 Batch 6
delegation N/A Tags: Dynamic Programming, Graph Theory, Trees Delegation USACO 2020 Feb, Gold Batch 4
sjeckanje N/A Tags: Data Structures, Greedy sjeckanje COCI 2020/2021 Batch 3
joker N/A Tags: Adhoc, Divide and Conquer, Graph Theory joker BOI 2020 Batch 3
sumzero N/A Tags: Adhoc, Binary Search, Dynamic Programming sumzero RMI 2020 Batch 8
izbori N/A Tags: Adhoc, Data Structures, Math izbori COCI 2021/2022 Batch 4
sandcastle2 N/A Tags: Bitmask, Dynamic Programming, Graph Theory Sandcastle 2 JOI 2022 Final Round Batch 2
railwaytrip2 N/A Tags: Data Structures Railway Trip 2 JOI 2022 Final Round Batch 2
election_joi22 N/A Tags: Dynamic Programming Let's Win the Election JOI 2022 Final Round Batch 9
selfstudy N/A Tags: Binary Search, Greedy Self Study JOI 2022 Final Round Batch 9
intercastellar N/A Tags: Adhoc Intercastellar JOI 2022 Final Round Batch 14
islands N/A Tags: Graph Theory Thousands Islands IOI 2022 (Day 2) Interactive 3
insects N/A Tags: Adhoc, Binary Search, Information Theory Rarest Insects IOI 2022 (Day 2) Interactive 3
circuit N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Digital Circuit IOI 2022 (Day 2) Interactive 5
towers_ioi N/A Tags: Binary Search, Data Structures, Greedy Radio Towers IOI 2022 (Day 1) Interactive 2
prison N/A Tags: Constructive Algorithms, Divide and Conquer Prisoner Challenge IOI 2022 (Day 1) Interactive 4
fish N/A Tags: Data Structures, Dynamic Programming Catfish Farm IOI 2022 (Day 1) (oolimry) Interactive 6
shopping_joi N/A Tags: Binary Search, Data Structures, Divide and Conquer, Information Theory shopping_joi JOISC 2021 Communication 1
bodyguard N/A Tags: Dynamic Programming bodyguard JOISC 2021 Batch 3
rainingseason N/A Tags: Data Structures, Graph Theory, Trees rainingseason Codeforces 1019E Batch 4
minerals N/A Tags: Information Theory minerals JOISC 2019 Interactive 8
computergame N/A Tags: Binary Search, Dynamic Programming, Greedy computergame Codeforces 1067D Batch 2
woodenraft N/A Tags: Greedy, Math woodenraft Codeforces 1223G Batch 5
doubletrip N/A Tags: Brute Force, Constructive Algorithms, Graph Theory Double Trip Codeforces 1343E Batch 15
pizzeria N/A Tags: Data Structures Pizzeria Queries CSES Batch 51
fever N/A Tags: Graph Theory, Greedy fever JOISC 2021 Batch 2
canbashsavetheday N/A Tags: Data Structures, Graph Theory, Trees canbashsavetheday Codeforces 757G Batch 5
cupboardjumps N/A Tags: Dynamic Programming, Slope Trick cupboardjumps Codeforces 1500F Batch 3
colourwalk N/A Tags: Graph Theory Colour Walk RI-HCI Final Contest 2022 Batch 6
markinghouses N/A Tags: Bitmask, Dynamic Programming Marking Houses RI-HCI Final Contest 2022 Batch 9
bigbinarytree N/A Tags: Greedy Big Binary Tree RI-HCI Final Contest 2022 (bensonlzl) Batch 19
hungryrabbits2 N/A Tags: Data Structures Hungry Rabbits 2 RI-HCI Final Contest 2022 (bensonlzl) Batch 48
hungryrabbits1 N/A Tags: Brute Force, Greedy Hungry Rabbits 1 RI-HCI Final Contest 2022 (bensonlzl) Batch 78
elca N/A Tags: Data Structures, Graph Theory, Trees elca Codeforces 482E Batch 4
tokitsukazeandexplosion N/A Tags: Binary Search, Greedy tokitsukazeandexplosion Codeforces 1190E Batch 7
cursordistance N/A Tags: Binary Search, Math cursordistance Codeforces 1246F Batch 1
twoavenues N/A Tags: Data Structures, Graph Theory, Trees twoavenues Codeforces 1648F Batch 2
strangedevice2 N/A Tags: Binary Search, Graph Theory, Information Theory, Trees strangedevice2 Codeforces 1158E Interactive 5
oenothera N/A Tags: Data Structures, Greedy, Square Root Decomposition oenothera Codeforces 1039E Batch 5
learningtrack2 N/A Tags: Data Structures, Dynamic Programming learningtrack2 LOJ #3068 Batch 5
industriouslibrarian N/A Tags: Data Structures industriouslibrarian LOJ #2639 Batch 8
sarenlist N/A Tags: Bitmask, Brute Force, Graph Theory, Trees sarenlist COCI 2021/2022 Batch 8
beacon N/A Tags: Dynamic Programming, Math Beacon Towers Grand Prix of Seoul Batch 21
cactus N/A Tags: Dynamic Programming, Graph Theory, Trees cactus LOJ #2250 Batch 7
superpozicija N/A Tags: Constructive Algorithms, Greedy superpozicija COI 2022 Batch 4
passes N/A Tags: Bitmask, Brute Force, Greedy, Math passes BOI 2022 Batch 9
deletingnumbers N/A Tags: Constructive Algorithms, Greedy Deleting Numbers Grand Prix of Urals Batch 46
preciseforecast N/A Tags: Graph Theory preciseforecast LOJ #3101 Batch 3
sequence_loj N/A Tags: Graph Theory, Greedy sequence_loj LOJ #3158 Batch 1
flowercards N/A Tags: Graph Theory flowercards LOJ #536 Batch 2
wavynumbers N/A Tags: Brute Force, Math, Meet in the Middle wavynumbers Codeforces 273E Batch 5
perishableroads N/A Tags: Graph Theory perishableroads Codeforces 773D Batch 3
cakeslicing N/A Tags: Constructive Algorithms cakeslicing LOJ #6744 Batch 8
gate N/A Tags: Data Structures, Graph Theory, Trees gate LOJ #2474 Batch 1
greatmerge N/A Tags: Data Structures, Graph Theory, Trees greatmerge LOJ #2230 Batch 3
rainbowfish N/A Tags: Dynamic Programming, Graph Theory, Trees Rainbow Fish Mock APIO 2015 Batch 11
treepainting N/A Tags: Data Structures, Graph Theory, Trees treepainting LOJ #2001 Batch 3
kucice N/A Tags: Line Sweep/Sliding Window kucice COCI 2021/2022 Batch 4
multiplechoice N/A Tags: Constructive Algorithms multiplechoice USACO 2022 Jan, Platinum Batch 6
constellation2 N/A Tags: Line Sweep/Sliding Window constellation2 JOISC 2014 Batch 3
winetasting N/A Tags: Data Structures winetasting LOJ #2133 Batch 3
earthwormlines N/A Tags: Data Structures earthwormlines LOJ #2303 Batch 3
coolslogans N/A Tags: Data Structures coolslogans LOJ #6288 Batch 2
spiderclimb N/A Tags: Dynamic Programming, Trees spiderclimb LOJ #3661 Batch 2
tickets_loj N/A Tags: Divide and Conquer, Dynamic Programming, Trees tickets_loj LOJ #2249 Batch 3
learningtrack N/A Tags: Divide and Conquer learningtrack LOJ #2773 Batch 7
buildings N/A Tags: Data Structures, Line Sweep/Sliding Window Buildings Dunjudge Archive Batch 11
thesis N/A Tags: Binary Search, Dynamic Programming, Graph Theory, Trees thesis LOJ #511 Batch 1
paintbyrectangles N/A Tags: Graph Theory, Line Sweep/Sliding Window paintbyrectangles USACO 2022 Feb, Platinum Batch 1
servers N/A Tags: Graph Theory, Trees Inside information BOI 2021 Batch 10
present N/A Tags: Math present RMI 2021 Batch 1
nom N/A Tags: Dynamic Programming, Math nom RMI 2021 Batch 3
semafor N/A Tags: Explicitly Excluded (from IOI), Graph Theory, Math semafor COI 2020 Batch 7
mars N/A Tags: Graph Theory, Information Theory Mars APIO 2022 Interactive 2
paint_coi N/A Tags: Graph Theory, Square Root Decomposition paint_coi COI 2020 Batch 2
manymsts N/A Tags: Binary Search, Graph Theory manymsts LOJ #3635 Batch 1
souvenirs N/A Tags: Data Structures souvenirs Codeforces 765F Batch 6
packaging N/A Tags: Data Structures, Greedy, Math Packaging Codeforces 1690E Batch 22
pastiri N/A Tags: Graph Theory, Greedy, Trees pastiri COI 2019/2020 Batch 9
edgeremove N/A Tags: Dynamic Programming, Graph Theory, Trees edgeremove LOJ #3705 Batch 2
redistributinggifts N/A Tags: Bitmask, Dynamic Programming redistributinggifts USACO 2022 Feb Gold Batch 8
travelling N/A Tags: Math travelling ASEAN Sparring 2022 (kevinsogo) Batch 3
wabot2 N/A Tags: Constructive Algorithms, Data Structures, Greedy wabot2 ASEAN Sparring 2022 (bensonlzl) Batch 9
kmxorm N/A Tags: Bitmask, Math, Meet in the Middle kmxorm ASEAN Sparring 2022 (zscoder) Batch 10
events N/A Tags: Data Structures, Greedy events BOI 2022 Batch 15
arrangement N/A Tags: Data Structures, Dynamic Programming, Greedy arrangement LOJ #3327 Batch 1
seqtransform N/A Tags: Brute Force, Data Structures, Greedy seqtransform LOJ #3704 Batch 4
smokeflower N/A Tags: Data Structures, Divide and Conquer, Line Sweep/Sliding Window smokeflower Classic Problem Batch 13
zhylanio N/A Tags: Binary Search, Brute Force, Data Structures zhylanio IZHO 2022 Batch 4
index N/A Tags: Binary Search, Data Structures index COCI 2020/2021 Contest 6 Batch 24
urbanplanning N/A Tags: Graph Theory, Trees urbanplanning IZhO 2022 Batch 3
island_boi N/A Tags: Graph Theory, Greedy, Trees island BOI 2022 Batch 19
watchmen N/A Tags: Graph Theory watchmen BOI 2021 Batch 1
vault N/A Tags: Dynamic Programming, Greedy vault BOI 2022 Batch 8
countinghaybales N/A Tags: Dynamic Programming countinghaybales USACO 2022 Jan, Platinum Batch 12
phonenumbers N/A Tags: Bitmask, Dynamic Programming phonenumbers USACO 2022 Feb, Platinum Batch 2
perm N/A Tags: Constructive Algorithms Permutation APIO 2022 Interactive 5
game N/A Tags: Graph Theory Game APIO 2022 Interactive 3
prize N/A Tags: Binary Search, Information Theory The Big Prize IOI 2017 Interactive 3
bingo N/A Tags: Adhoc, Constructive Algorithms Bingo Grand Prix of Daejeon Batch 38
sculptures_apio15 N/A Tags: Bitmask, Dynamic Programming Bali Sculptures APIO 2015 Batch 10
train_ioi N/A Tags: Graph Theory Toy Train IOI 2017 Interactive 2
wiring_ioi N/A Tags: Dynamic Programming Wiring IOI 2017 Interactive 4
gap N/A Tags: Information Theory, Math Gap APIO 2016 Interactive 18
boat N/A Tags: Dynamic Programming, Math Boat APIO 2016 Batch 2
koala N/A Tags: Binary Search, Constructive Algorithms, Divide and Conquer, Information Theory Koala Game APIO 2017 Interactive 2
rainbow N/A Tags: Data Structures, Graph Theory, Math Land of the Rainbow Gold APIO 2017 Interactive 5
alien10 N/A Tags: Explicitly Excluded (from IOI), Math alien10 uwu (errorgorn) Batch 1
tomskitchen N/A Tags: Dynamic Programming Tom’s Kitchen BOI 2019 Day 2 Batch 2
visiting N/A Tags: Graph Theory, Trees visiting Dunjudge Archive Batch 4
coingame N/A Tags: Adhoc, Explicitly Excluded (from IOI) coingame NTST 2015 Batch 19
funnynim N/A Tags: Explicitly Excluded (from IOI), Math funnynim IMO Shortlist 2015 Batch 22
neila N/A Tags: Adhoc, Math neila RMM 2013/5 Batch 3
osumnjiceni N/A Tags: Data Structures, Greedy, Trees Osumnjičeni COCI 2021/2022 Batch 6
alien9 N/A Tags: Adhoc, Dynamic Programming, Math alien9 IMO Shortlist 1996 Batch 9
streetlamps_ex N/A Tags: Data Structures, Divide and Conquer Street Lamps!! APIO 2019 but with more pain Batch 2
alice N/A Tags: Graph Theory, Information Theory Alice IMO Shortlist 2019 Interactive 6
factories N/A Tags: Data Structures, Divide and Conquer, Graph Theory, Trees factories JOI 2014 Open Interactive 25
firecracker N/A Tags: Data Structures, Greedy firecracker CNY Contest 2019 Batch 21
bananadance N/A Tags: Math bananadance Dunjudge Archive Batch 5
sumo N/A Tags: Binary Search, Graph Theory sumo COCI 2013/2014 Batch 11
election_joi N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Election Campaign JOI Open 2015 Batch 4
valley N/A Tags: Divide and Conquer, Graph Theory, Trees Alpine valley BOI 2019 Day 1 Batch 14
binaryseq N/A Tags: Math BinarySeq Dunjudge Archive (bensonlzl) Batch 3
kusac N/A Tags: Math, Syntax kusac COCI 2013/2014 Batch 31
gathering N/A Tags: Graph Theory, Greedy gathering USACO 2018 December Platinum Batch 1
ples N/A Tags: Greedy ples COCI 2011/2012 Batch 3
convention N/A Tags: Binary Search, Greedy convention USACO 2018 December Silver Batch 17
sequence N/A Tags: Adhoc, Greedy sequence AtCoder Batch 7
iqtest2 N/A Tags: Math iqtest2 April Fools' 2022 (errorgorn) Batch 40
kronican N/A Tags: Bitmask, Dynamic Programming kronican COCI 2016/2017 Batch 5
maxmex N/A Tags: Data Structures, Graph Theory, Trees Max Mex Dunjudge Archive Batch 1
paleta N/A Tags: Dynamic Programming, Graph Theory, Math paleta COCI 2013/2014 Batch 2
closedpath N/A Tags: Graph Theory, Trees closedpath Dunjudge Archive Batch 18
mountain N/A Tags: Data Structures Mountain IOI 2005 Batch 5
papplesort N/A Tags: Data Structures papplesort Dunjudge Archive Batch 4
camels N/A Tags: Data Structures Guessing Camels NWERC 2015 Batch 12
flowering N/A Tags: Data Structures flowering COCI 2008/2009 Batch 18
inversionsum N/A Tags: Dynamic Programming, Math inversionsum Dunjudge Archive Batch 2
rabbitradar N/A Tags: Data Structures, Dynamic Programming rabbitradar Dunjudge Archive (bensonlzl) Batch 5
manhattancompass N/A Tags: Binary Search, Graph Theory manhattancompass AtCoder Batch 4
graph N/A Tags: Graph Theory, Greedy, Trees graph Dunjudge Archive Batch 10
decayedbridges N/A Tags: Graph Theory decayedbridges Dunjudge Archive Batch 44
goodseq N/A Tags: Data Structures goodseq Dunjudge Archive Batch 76
ballsofbuma N/A Tags: Adhoc Balls of Buma Dunjudge Archive Batch 10
ispit N/A Tags: Adhoc ispit COCI 2018/2019 Batch 7
mathtest N/A Tags: Math, Syntax mathtest Dunjudge Archive Batch 26
network2 N/A Tags: Data Structures, Graph Theory, Trees network Dunjudge Archive Batch 6
repairs N/A Tags: Data Structures, Graph Theory, Trees repairs Dunjudge Archive Batch 19
grassplant N/A Tags: Data Structures, Graph Theory, Trees Grass Planting Dunjudge Archive Batch 47
cowland N/A Tags: Data Structures, Graph Theory, Trees Cow Land USACO 2019 February Contest, Gold Batch 32
foodchain N/A Tags: Math, Syntax Food Chain Dec Trg 2019 (Elementary) Batch 224
rating N/A Tags: Adhoc, Math Rating Changes Dec Trg 2019 (Elementary) Batch 19
cross N/A Tags: Dynamic Programming Cross Dunjudge Archive Batch 7
trespasser N/A Tags: Bitmask, Information Theory ADVANCED Trespasser 2019 IOI Problem Setter Contest (bensonlzl) Interactive 2
enumeratingbrackets N/A Tags: Dynamic Programming Enumerating Brackets Waterloo Programming Contest 2016-10-01 Batch 3
fruits_noi N/A Tags: Data Structures, Dynamic Programming Fruits NOI 2022 Finals (bensonlzl) Batch 1
grapevine N/A Tags: Data Structures, Divide and Conquer, Graph Theory, Trees Grapevine NOI 2022 Finals Batch 11
towers_noi N/A Tags: Constructive Algorithms, Data Structures, Greedy Towers NOI 2022 Finals Batch 14
gymbadges N/A Tags: Dynamic Programming, Greedy Gym Badges NOI 2022 Finals Batch 46
votingcities N/A Tags: Bitmask, Graph Theory Voting Cities NOI 2022 Finals Batch 48
rarkids N/A Tags: Constructive Algorithms, Math rarkids IOI Sparring 2018 SGP Interactive 7
hanabi N/A Tags: Binary Search, Data Structures hanabi IOI Sparring 2018 SGP Batch 1
weddingcity N/A Tags: Constructive Algorithms, Graph Theory weddingcity IOI Sparring 2018 SGP Batch 4
wheelofmisfortune N/A Tags: Adhoc, Brute Force, Math Wheel of Misfortune IOI 2020 Practice Session Batch 1
cakeatstake N/A Tags: Data Structures Cake at Stake IOI 2020 Practice Session Batch 2
triumvirate N/A Tags: Dynamic Programming Triumvirate IOI 2020 Practice Session Batch 2
cellulardata N/A Tags: Bitmask, Dynamic Programming, Explicitly Excluded (from IOI), Math Cellular Data IOI 2020 Practice Session Batch 1
trackingtraining N/A Tags: Graph Theory, Math Tracking Training IOI 2020 Practice Session Batch 4
goneviral N/A Tags: Binary Search, Graph Theory Gone Viral IOI 2020 Practice Session Batch 2
wakeup N/A Tags: Binary Search, Data Structures Wake Up IOI 2020 Practice Session Batch 4
wearenumberone N/A Tags: Graph Theory We Are Number One IOI 2020 Practice Session Batch 2
powerpoints N/A Tags: Constructive Algorithms Power Points IOI 2020 Practice Session Batch 2
idigit N/A Tags: Bitmask, Math I Dig It! IOI 2020 Practice Session Batch 4
styles N/A Tags: Binary Search, Data Structures, Dynamic Programming Styles IOI 2020 Practice Session Batch 6
synergies N/A Tags: Constructive Algorithms, Graph Theory Synergies IOI 2020 Practice Session Batch 2
supermarkets N/A Tags: Data Structures Supermarkets IOI 2020 Practice Session Batch 3
filibuster N/A Tags: Data Structures Filibuster IOI 2020 Practice Session Batch 2
firing N/A Tags: Data Structures Firing IOI 2020 Practice Session Batch 2
figures N/A Tags: Binary Search, Dynamic Programming Figures IOI 2020 Practice Session Batch 2
banks N/A Tags: Graph Theory Banks IOI 2020 Practice Session Batch 9
generosity N/A Tags: Joke Generosity April Fools' 2022 (oolimry) Batch 165
alphabrackets N/A Tags: Data Structures, Dynamic Programming alphabrackets Dec Course Final Contest 2017 Batch 8
luckynumbers2 N/A Tags: Math luckynumbers2 Dec Course Final Contest 2017 Batch 42
cattown N/A Tags: Graph Theory Cat Town RI/RJC NOI Selection Test 2016 Batch 1
trekking N/A Tags: Bitmask, Dynamic Programming, Graph Theory Jungle Trekking HCI NOI Selection Test 2017 Batch 9
builderswand N/A Tags: Dynamic Programming Builder’s Wand HCI NOI Selection Test 2017 Batch 2
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 2
trianglecraft N/A Tags: Math Trianglecraft HCI NOI Selection Test 2017 Batch 3
hop N/A Tags: Math hop COCI 2020/2021 Contest #4 Problem 3 Batch 8
dinnerbox N/A Tags: Dynamic Programming, Greedy Jianzhi’s Dinner Box RI NOI Selection Test 2017 Batch 5
lost N/A Tags: Bitmask, Information Theory Jianzhi’s Lost RI NOI Selection Test 2017 Interactive 5
clipboard N/A Tags: Adhoc, Data Structures Jianzhi’s Clipboard Sorting RI NOI Selection Test 2017 Batch 8
mushroomfarm N/A Tags: Binary Search, Dynamic Programming Jianzhi’s Mushroom Farm RI NOI Selection Test 2017 Batch 21
spiraldance N/A Tags: Adhoc, Math Estelle’s Spiral Dance RI-HCI NOI Selection Test 2018 Batch 8
spotlights N/A Tags: Adhoc Estelle’s Concert Spotlights RI-HCI NOI Selection Test 2018 Batch 4
superfanclub N/A Tags: Graph Theory, Trees Estelle’s Super Fan Club RI-HCI NOI Selection Test 2018 Interactive 4
stagegames_part2 N/A Tags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 6 - 10) RI-HCI NOI Selection Test 2018 Interactive 2
stagegames_part1 N/A Tags: Adhoc, Information Theory Estelle’s Stage Games (Subtasks 1 - 5) RI-HCI NOI Selection Test 2018 Interactive 3
rookable N/A Tags: Graph Theory Rookable NUSH NOI Selection Test 2018 Batch 2
crab N/A Tags: Bitmask, Dynamic Programming Crab NUSH NOI Selection Test 2018 Batch 7
secret_mco N/A Tags: Adhoc, Explicitly Excluded (from IOI) Secret MCO 2015 Batch 3
penghulu N/A Tags: Dynamic Programming, Graph Theory, Trees Penghulu MCO 2016 Batch 14
chefmala N/A Tags: Data Structures chefmala CodeChef February Lunchtime 2022 (errorgorn) Batch 1
centroid N/A Tags: Brute Force, Graph Theory Centroid Dunjudge Archive Batch 17
forkintheroad N/A Tags: Dynamic Programming, Graph Theory, Math forkintheroad AtCoder Batch 2
shortest N/A Tags: Explicitly Excluded (from IOI), Math shortest Dunjudge Archive Batch 54
harvest N/A Tags: Data Structures Harvest JOI 2019/2020 Batch 3
cantor_ex N/A Tags: Binary Search, Information Theory cantor_ex Valentine's Day Contest 2022 (errorgorn) Interactive 2
cantor N/A Tags: Binary Search, Information Theory cantor TROC 24 (errorgorn) Interactive 3
killanton_ex N/A Tags: Bitmask, Dynamic Programming killanton_ex Valentine's Day Contest 2022 (errorgorn) Batch 2
kronecker N/A Tags: Math kronecker Valentine's Day Contest 2022 (errorgorn) Batch 1
lboard N/A Tags: Brute Force, Dynamic Programming L-Board NOI 2022 Qualification Batch 95
dragonfly N/A Tags: Data Structures, Graph Theory, Trees dragonfly NOI 2022 Qualification (bensonlzl) Batch 17
treecutting N/A Tags: Brute Force, Graph Theory, Trees Tree Cutting NOI 2022 Qualification Batch 43
usefft3 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 3 Valentine's Day Contest 2022 (errorgorn) Batch 1
iqtest N/A Tags: Math iqtest Valentine's Day Contest 2022 (errorgorn) Batch 71
usefft1 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 1 Classic Problem Batch 9
stoningame N/A Tags: Math stoningame Valentine's Day Contest 2022 (maomao90) Batch 11
permutationswap N/A Tags: Adhoc permutationswap Valentine's Day Contest 2022 (maomao90) Batch 8
usefft2 N/A Tags: Math Use FFT 2 Valentine's Day Contest 2022 (errorgorn) Batch 2
pandasoldiers N/A Tags: Adhoc, Data Structures Soldiers Dunjudge Archive Batch 10
rabbitgifts N/A Tags: Data Structures, Math rabbitgifts December Course 2018 Advanced Final Contest Batch 3
rabbitmeeting N/A Tags: Adhoc, Greedy RabbitMeeting December Course 2018 Advanced Final Contest Batch 17
taxes N/A Tags: Data Structures, Dynamic Programming, Square Root Decomposition taxes December Course 2018 Advanced Final Contest, ROI 2018 Day 1 Batch 5
couples N/A Tags: Dynamic Programming couples December Course 2018 Advanced Final Contest Batch 6
addsubtract N/A Tags: Dynamic Programming, Greedy addsubtract Dunjudge Archive Batch 3
deda N/A Tags: Binary Search, Data Structures deda COCI 2017/2018 Batch 11
snakecode N/A Tags: Dynamic Programming snakecode Dunjudge Archive Interactive 9
colour N/A Tags: Data Structures colour December Course 2018 Elementary Final Contest Batch 18
bunchlocks N/A Tags: Graph Theory bunchlocks Dunjudge Archive Batch 6
dateornot N/A Tags: Binary Search, Information Theory Date Or Not? Dunjudge Archive Interactive 4
thunderstorm N/A Tags: Data Structures, Greedy Thunderstorm Dec Trg 2019 (Elementary) Batch 11
multiple N/A Tags: Graph Theory, Math multiple Dunjudge Archive Batch 8
globalwarming_ex N/A Tags: Data Structures, Graph Theory globalwarming_ex Dunjudge Archive Batch 7
climatechange N/A Tags: Binary Search, Data Structures, Dynamic Programming climatechange Dunjudge Archive Batch 9
notebook N/A Tags: Graph Theory notebook Dunjudge Archive Batch 10
ratar N/A Tags: Brute Force, Dynamic Programming ratar COCI 2013/2014 Batch 8
morepaths N/A Tags: Dynamic Programming morepaths Dunjudge Archive Batch 10
dquery N/A Tags: Data Structures, Square Root Decomposition dquery Classic Problem Batch 52
hipercijevi N/A Tags: Graph Theory hipercijevi COCI 2012/2013 Batch 15
math N/A Tags: Brute Force, Math Primes Up April Fools Contest 2020 (shenxy13) Batch 15
4cuts N/A Tags: Adhoc, Brute Force 4cuts Dunjudge Archive Batch 5
robot2 N/A Tags: Adhoc, Binary Search, Line Sweep/Sliding Window robot2 Dunjudge Archive Batch 10
joke N/A Tags: Graph Theory Joke Dec Trg 2019 (Elementary) Batch 12
nutritionist N/A Tags: Data Structures nutritionist Dunjudge Archive Batch 8
bore N/A Tags: Brute Force Boring Dunjudge Archive Batch 5
subwaytrip N/A Tags: Graph Theory subwaytrip Dunjudge Archive Batch 12
compact N/A Tags: Data Structures, Dynamic Programming compact Dunjudge Archive Batch 10
trianglesum N/A Tags: Brute Force, Dynamic Programming trianglesum NOI 2010 Selection Test Batch 5
mrbeancurd N/A Tags: Dynamic Programming mrbeancurd HCI Be A Problem Setter (BAPS) Contest 2017 (jzh, caffeine) Batch 13
walk N/A Tags: Graph Theory Sky Walking IOI 2019 Interactive 3
vision N/A Tags: Adhoc, Constructive Algorithms, Information Theory Vision Program IOI 2019 Interactive 5
rect N/A Tags: Brute Force, Data Structures Rectangle IOI 2019 (Day 1) Interactive 4
shoes N/A Tags: Data Structures, Greedy Arranging Shoes IOI 2019 (Day 1) Interactive 18
planning N/A Tags: Graph Theory, Greedy, Trees Company Planning TOKI Open 2014 Batch 17
prisoners N/A Tags: Adhoc, Graph Theory, Information Theory prisoners APIO 2014 Mock Contest Communication 12
inequality3 N/A Tags: Data Structures Social Inequality TOKI Open 2014 Batch 11
rolling N/A Tags: Dynamic Programming, Graph Theory, Trees Rolling Dunjudge Archive Batch 28
triusis N/A Tags: Data Structures, Dynamic Programming Rabbit Carrot Lithuanian Olympiad in Informatics 2019 Batch 24
secret N/A Tags: Divide and Conquer, Information Theory Secret JOI Open 2014 Interactive 16
grazing N/A Tags: Bitmask, Brute Force, Graph Theory grazing USACO Bronze Jan 2012 Batch 8
wallisstop N/A Tags: Binary Search, Data Structures, Graph Theory Wall Is Stop Dunjudge Archive (bensonlzl) Batch 5
youngmaids N/A Tags: Data Structures youngmaids Dunjudge Archive Batch 9
toy N/A Tags: Graph Theory, Trees toy ROI 2014 Batch 4
stations N/A Tags: Graph Theory, Information Theory, Trees Stations IOI 2020 (Day 2) Communication 11
3dhistogram N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming 3D Histogram COCI 2020 Batch 4
outing N/A Tags: Data Structures Outing Educational Round 10 (Goodbye cstuart and kai824) (kai824) Batch 16
devil N/A Tags: Constructive Algorithms, Graph Theory The Devil's Algorithm Hello 2022 (errorgorn) Batch 5
prefixsums2 N/A Tags: Math Prefix Sums 2 Educational Round 10 (Goodbye cstuart and kai824) (errorgorn) Batch 6
qualitycontrol N/A Tags: Graph Theory, Trees Quality Control Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Batch 7
inequality2 N/A Tags: Adhoc, Constructive Algorithms inequality2 Dec Course 2021 BAPS (zaneyu) Batch 15
prefixgcd N/A Tags: Adhoc, Brute Force, Math prefixgcd Dec Course 2021 BAPS (jiahng) Batch 22
eexploration N/A Tags: Graph Theory Elementary Exploration Dec Course 2021 Elementary Final Contest (shenxy13) Batch 30
eeducation N/A Tags: Syntax Elementary Education Dec Course 2021 Elementary Final Contest (shenxy13) Batch 196
eevacuation N/A Tags: Dynamic Programming, Graph Theory Elementary Evacuation Dec Course 2021 Elementary Final Contest (shenxy13) Batch 83
eescapism N/A Tags: Adhoc, Math Elementary Escapism Dec Course 2021 Elementary Final Contest (shenxy13) Batch 115
eelimination N/A Tags: Data Structures Elementary Elimination Dec Course 2021 Elementary Final Contest (shenxy13) Batch 127
dice N/A Tags: Math Dice Dec Course 2021 BAPS (origami100, dillion) Batch 28
openingshop N/A Tags: Greedy Opening Shop Dec Course 2021 BAPS (Halogen) Batch 21
gerrymandering N/A Tags: Dynamic Programming Gerrymandering Dec Course 2021 BAPS (beepbeepsheep) Batch 21
bitaro N/A Tags: Dynamic Programming, Graph Theory, Square Root Decomposition Bitaro's Party JOI 2017/2018 Spring Camp Batch 10
triangles N/A Tags: Graph Theory, Square Root Decomposition Counting Triangles Classic Problem Batch 23
more_lca2 N/A Tags: Graph Theory, Trees More LCA 2 Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 14
selfpermutation N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming selfpermutation TOKI KSN Day 2 Batch 12
linearbasis N/A Tags: Explicitly Excluded (from IOI), Math linearbasis Hello 2022 (errorgorn) Batch 3
frog3 N/A Tags: Dynamic Programming Frog 3 Atcoder Educational DP Contest Batch 49
rabbitbars N/A Tags: Binary Search, Data Structures, Divide and Conquer, Dynamic Programming rabbitbars Dunjudge Archive (bensonlzl) Batch 20
queuestack N/A Tags: Adhoc, Data Structures Queuestack Educational Round 10 (Goodbye cstuart and kai824) (lida, oolimry, cstuart) Batch 6
addition2 N/A Tags: Joke Addition? Hello 2022 (oolimry) Batch 326
helloworld2 N/A Tags: Joke Hello World? Hello 2022 (jamessng) Batch 188
fiboregisters N/A Tags: Adhoc, Constructive Algorithms, Math IOI Registers: but epic TROC 24 (errorgorn) Batch 2
shopping N/A Tags: Dynamic Programming Shopping Dunjudge Archive Batch 10
pawns N/A Tags: Adhoc, Explicitly Excluded (from IOI), Math e4e5 Ke2? Ke7? TROC 24 (maomao90, errorgorn) Batch 3
ninjashard N/A Tags: Data Structures Ninjas (Hard) TROC 24 (oolimry, errorgorn) Batch 2
ninjaseasy N/A Tags: Data Structures Ninjas (Easy) TROC 24 (oolimry) Batch 2
ktupleflip N/A Tags: Adhoc, Greedy K-tuple Flip TROC 24 (errorgorn) Batch 8
doubleflip N/A Tags: Adhoc Double Flip TROC 24 (errorgorn) Batch 28
singleflip N/A Tags: Syntax Single Flip TROC 24 (maomao90) Batch 57
newlottery N/A Tags: Dynamic Programming New Lottery Google Code Jam 2014 Batch 6
domine N/A Tags: Bitmask, Dynamic Programming domine COCI 2013/2014 Batch 15
boxoffice N/A Tags: Brute Force, Data Structures Box Office Dunjudge Archive Batch 3
more_lca N/A Tags: Dynamic Programming, Graph Theory, Trees More LCA Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 19
weightedguess N/A Tags: Dynamic Programming Weighted Guess Educational Round 10 (Goodbye cstuart and kai824) (cstuart) Interactive 11
power N/A Tags: Dynamic Programming, Graph Theory, Trees power JOI Batch 20
mergers N/A Tags: Adhoc, Data Structures, Graph Theory, Trees mergers JOI Batch 13
wandering N/A Tags: Data Structures, Graph Theory, Trees wandering AGC 029 Batch 9
hoofpaperscissor N/A Tags: Dynamic Programming Hoof, Paper, Scissors USACO 2017 January Contest, Gold Batch 49
grid N/A Tags: Dynamic Programming Grid Atcoder Educational DP Contest Batch 117
pythonindentation N/A Tags: Dynamic Programming pythonindentation Codeforces 909C Batch 38
straight N/A Tags: Bitmask, Dynamic Programming Pure Straight ARC 126 Batch 12
digitsum N/A Tags: Dynamic Programming digitsum UOJ Easy Round #4 Batch 11
peddler N/A Tags: Dynamic Programming, Graph Theory Peddler ABC 188 Batch 61
bank N/A Tags: Bitmask, Dynamic Programming Bank IZhO 2014 Day 1 Batch 42
01knapsack N/A Tags: Dynamic Programming 0-1 Knapsack Classic problem (Atcoder Educational DP Contest) Batch 195
voting N/A Tags: Data Structures, Greedy Voting Dunjudge Archive Batch 7
leave N/A Tags: Data Structures leave Dunjudge Archive Batch 82
guessqueue N/A Tags: Brute Force, Data Structures Guess the Queue Kattis (modified) (ryangohca) Batch 73
woodcutter N/A Tags: Brute Force, Data Structures Woodcutter Codeforces 527C (modified) Interactive 21
sandwich N/A Tags: Divide and Conquer Sandwich HCI-NUSH NOI Selection 2022 (errorgorn, oolimry, yanhao) Batch 5
battleship N/A Tags: Bitmask, Constructive Algorithms, Divide and Conquer Battleship HCI-NUSH NOI Selection 2022 (errorgorn) Interactive 19
jumper N/A Tags: Brute Force, Data Structures, Line Sweep/Sliding Window Manhattan Jumper HCI-NUSH NOI Selection 2022 (errorgorn) Batch 19
boundedpermutation N/A Tags: Adhoc, Dynamic Programming, Math Bounded Permutation HCI-NUSH NOI Selection 2022 (maomao90) Batch 61
flappyrabbit N/A Tags: Greedy Flappy Rabbit HCI-NUSH NOI Selection 2022 (pavement) Interactive 77
727 N/A Tags: Greedy, Math 727 HCI-NUSH NOI Selection 2022 (errorgorn) Batch 91
uniquepath N/A Tags: Graph Theory uniquepath AGC38D Batch 12
spy N/A Tags: Data Structures, Graph Theory, Trees spy 2013 IOI Japan National Team Selection Test Day 2 Batch 18
redblue N/A Tags: Constructive Algorithms, Graph Theory, Trees redblue Dunjudge Archive Batch 1
bosses N/A Tags: Brute Force, Graph Theory, Greedy, Trees bosses BOI 2016 Batch 57
roots N/A Tags: Data Structures, Graph Theory, Trees roots Codeforces 695E Batch 14
typicalstairs N/A Tags: Dynamic Programming Typical Stairs ABC 129 Batch 140
vainish N/A Tags: Dynamic Programming Vanish 2015-2016 NOI Training Diagnostic Test Batch 68
postcard N/A Tags: Dynamic Programming postcard Codeforces 4D Batch 31
duckwalk N/A Tags: Binary Search, Data Structures, Dynamic Programming duckwalk Codeforces 76F Batch 16
selfdefence N/A Tags: Dynamic Programming Self Defence TOKI KSN Day 1 Batch 11
deque N/A Tags: Dynamic Programming Deque AtCoder Educational DP Contest Batch 83
partitiongame N/A Tags: Data Structures, Dynamic Programming Partition Game Codeforces 1527E Batch 27
stringsofimpurity N/A Tags: Binary Search stringsofimpurity AtCoder Batch 27
logs N/A Tags: Binary Search logs AtCoder Batch 74
snukethewizard N/A Tags: Adhoc, Binary Search snukethewizard AtCoder Batch 11
library N/A Tags: Binary Search, Information Theory Library JOI 2018/2019 Spring Camp Day 4 Interactive 1
potatoqueue N/A Tags: Data Structures potatoqueue Dunjudge Archive Interactive 19
minstack N/A Tags: Data Structures minstack Dunjudge Archive Interactive 106
knapsack2 N/A Tags: Dynamic Programming knapsack2 David Pisinger (1995) Batch 3
wiring N/A Tags: Adhoc, Greedy Fix Wiring Polish Collegiate Programming Contest 2021 Batch 8
stickytape N/A Tags: Greedy Sticky Tape Classic Problem Batch 77
cp2booksales N/A Tags: Line Sweep/Sliding Window cp2booksales Dunjudge Archive Batch 13
sale N/A Tags: Data Structures, Greedy sale Dunjudge Archive Batch 8
brackets N/A Tags: Greedy, Slope Trick Bracket Subsequence Classic Problem (zengminghao) Batch 41
travel N/A Tags: Greedy Travel CCO 2015 Batch 56
relutree N/A Tags: Data Structures relutree Classic Problem (errorgorn) Batch 6
hacking N/A Tags: Graph Theory Hacking Classic problem (fyss006) Batch 73
hamster1 N/A Tags: Dynamic Programming Hamster's Journey Atcoder Educational DP Contest Batch 133
fractions N/A Tags: Syntax fractions Classic Problem (YeoBL20) Batch 141
medianstring N/A Tags: Syntax medianstring Dunjudge Archive Batch 335
descsort N/A Tags: Syntax descsort Dunjudge Archive Batch 345
xortree N/A Tags: Data Structures xortree Classic Problem (errorgorn) Batch 11
fibotree N/A Tags: Data Structures, Explicitly Excluded (from IOI), Math fibotree Bubble Cup 14 (modified) Batch 6
stackweights N/A Tags: Data Structures stackweights CSES Problem Set Batch 30
synchronization N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Synchronization JOI Open Contest 2013 Batch 4
rectangleoutline N/A Tags: Dynamic Programming, Line Sweep/Sliding Window Rectangle Outline USACO 2016 January Contest, Platinum Batch 53
picnic N/A Tags: Binary Search, Greedy Picnic Codeforces Global Round 17 Batch 77
management N/A Tags: Syntax Management ABC163C Batch 232
gotoschool N/A Tags: Syntax Go To School ABC142 Batch 379
typo N/A Tags: Syntax Typo ABC221 Batch 301
workload_ex N/A Tags: Explicitly Excluded (from IOI), Math workload_ex Classic Problem in China (Probably) (errorgorn) Batch 4
gravity N/A Tags: Graph Theory gravity USACO 2013 US Open, SIlver Batch 6
eatcake N/A Tags: Divide and Conquer Eating Cake Educational Codeforces Round 94 Batch 56
workload2 N/A Tags: Square Root Decomposition Workload 2 Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn) Batch 6
christmaxtrees N/A Tags: Graph Theory, Greedy christmaxtrees Codeforces 1283D Batch 35
distribution N/A Tags: Bitmask, Constructive Algorithms, Meet in the Middle Distribution Codechef January Cook-Off 2021 Batch 16
segmenttree3 N/A Tags: Data Structures, Line Sweep/Sliding Window segmenttree3 Dec Course 2021 Intermediate Contest 4 (Data Structures III) (errorgorn, oolimry) Batch 11
problematicjourney N/A Tags: Binary Search, Graph Theory Problematic Journey Classic Problem Batch 95
zooqueue N/A Tags: Data Structures Zoo Queue NUS December Training 2021 Diagnostic Test (shenxy13) Batch 95
workload N/A Tags: Dynamic Programming December Training Workload Classic Problem Batch 98
fizzbuzz N/A Tags: Math, Syntax FizzBuzz Classic Problem Batch 718
aircon N/A Tags: Data Structures aircon Codeforces Round #757 (Div. 2) Batch 45
cups N/A Tags: Data Structures cups Deccourse 2021 DS II Contest (errorgorn) Batch 148
lambsrespite N/A Tags: Data Structures Lamb's Respite XXII Open Cup. Grand Prix of Korea Batch 15
digits N/A Tags: Data Structures digits Deccourse 2021 DS II Contest (errorgorn) Batch 77
wall N/A Tags: Data Structures wall IOI 2014 Interactive 18
rabbitpainting N/A Tags: Greedy rabbitpainting Dunjudge Archive (bensonlzl) Batch 23
vouchers N/A Tags: Dynamic Programming vouchers Dunjudge Archive Batch 24
lps N/A Tags: Dynamic Programming lps Dunjudge Archive Batch 59
entropy2 N/A Tags: Adhoc, Brute Force entropy2 RI December Course Selection Test 2021 (kym) Batch 67
feedthewallabies N/A Tags: Graph Theory Feed the Wallabies RI December Course Selection Test 2021 (syy) Batch 39
clocktower N/A Tags: Math, Syntax Clock Tower RI December Course Selection Test 2021 (Deadeye) Batch 172
pillars N/A Tags: Data Structures Pillars RI December Course Selection Test 2021 (rs) Batch 23
wallabyhop N/A Tags: Data Structures, Line Sweep/Sliding Window Wallaby Hop RI December Course Selection Test 2021 (jiahng) Batch 34
summarizing2021 N/A Tags: Explicitly Excluded (from IOI) 🗿🗿🗿 Hello 2022 (errorgorn) Interactive 19
wabbitosu N/A Tags: Adhoc, Data Structures, Greedy Wabbit osu!taiko HCI December Course Selection 2021 (bensonlzl) Batch 19
minimetro N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window Minimetro HCI December Course Selection 2021 (huangqr) Batch 15
drones N/A Tags: Graph Theory Drones HCI December Course Selection 2021 (cstuart) Batch 66
pavement N/A Tags: Constructive Algorithms, Greedy Painting Pavements HCI December Course Selection 2021 (pavement) Batch 25
swapsort N/A Tags: Adhoc Swap Sort HCI December Course Selection 2021 (kai824, pavement) Batch 177
reciprocals N/A Tags: Constructive Algorithms, Syntax Reciprocals HCI December Course Selection 2021 (huangqr, pavement) Batch 144
ladybugs N/A Tags: Dynamic Programming ladybugs Dunjudge Archive Batch 59
letters N/A Tags: Dynamic Programming letters Dunjudge Archive Batch 91
lol N/A Tags: Dynamic Programming lol Dunjudge Archive Batch 109
exoticplants N/A Tags: Graph Theory Exotic Plants Luogu P4568 [JLOI2011] Batch 28
razlika N/A Tags: Data Structures, Line Sweep/Sliding Window razlika COCI 2013 Batch 130
prefixsums N/A Tags: Dynamic Programming, Syntax prefixsums Classic Problem (YeoBL20) Batch 381
equals N/A Tags: Graph Theory equals ARC 097 Batch 28
kthsubstring N/A Tags: Adhoc kthsubstring ARC 097 Batch 46
dominoes N/A Tags: Binary Search, Data Structures, Square Root Decomposition dominoes Educational Round 9 (maomao90, zaneyu) Batch 8
coins N/A Tags: Information Theory Coins IOI 2017 Practice Communication 5
binomial N/A Tags: Math binomial Dunjudge Archive Batch 25
boxes_hkicpc N/A Tags: Graph Theory, Trees Boxes 2016 ACM ICPC Asia Hong Kong Regional Batch 26
hunter N/A Tags: Graph Theory, Trees Hunter Dunjudge Archive (bensonlzl) Interactive 21
closedrooms N/A Tags: Adhoc, Graph Theory closedrooms AtCoder Grand Contest 014 Batch 50
gridgame N/A Tags: Graph Theory gridgame Dunjudge Archive Batch 48
fireandbeary N/A Tags: Graph Theory fireandbeary Dunjudge Archive (jamielim) Batch 67
workoutplan N/A Tags: Greedy Workout plan Bubble Cup 12 Div 1 Batch 80
primesort N/A Tags: Graph Theory, Math Prime Sort Dunjudge Archive Batch 47
spiderweb N/A Tags: Dynamic Programming, Graph Theory spiderweb Dunjudge Archive Batch 11
cookieclickeralpha N/A Tags: Math, Syntax cookieclickeralpha Google Code Jam 2014 Batch 70
boring N/A Tags: Dynamic Programming boring Dunjudge Archive Batch 23
area N/A Tags: Syntax area Dunjudge Archive Batch 283
solonim N/A Tags: Explicitly Excluded (from IOI), Math, Syntax Solo Nim Dunjudge Archive Batch 126
sardines N/A Tags: Data Structures, Dynamic Programming sardines RI NOI Selection Test 2014 Batch 17
deliveroo N/A Tags: Data Structures, Greedy Deliveroo RI November Course Stage 2 Selection Test 2021 (Deadeye) Batch 35
levelingup N/A Tags: Dynamic Programming Leveling Up RI November Course Stage 2 Selection Test 2021 (ryangohca) Batch 70
greenbeans N/A Tags: Adhoc, Math, Syntax Green Beans Mayhem RI November Course Stage 2 Selection Test 2021 (ryangohca, kym) Batch 63
coinjourney N/A Tags: Binary Search Coin Journey RI November Course Stage 2 Selection Test 2021 (kym) Batch 85
timeexam N/A Tags: Math, Syntax What's the Time? RI November Course Stage 2 Selection Test 2021 (ryangohca) Batch 485
duels N/A Tags: Adhoc, Data Structures duels Educational Round 9 (maomao90, jamessng) Batch 14
orangeroad N/A Tags: Data Structures, Line Sweep/Sliding Window orangeroad Educational Round 9 (jamessng, jamielim) Batch 15
portals N/A Tags: Data Structures, Graph Theory portals USACO 2021 US Open, Gold Batch 10
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
spellofweakness N/A Tags: Binary Search, Greedy, Line Sweep/Sliding Window Spell Of Weakness Dunjudge Archive (dantoh) Batch 94
bananasmoothie N/A Tags: Greedy Banana Smoothie Dunjudge Archive (shenxy13) Batch 170
adjacentswaps N/A Tags: Brute Force, Greedy Adjacent Swaps Dunjudge Archive (shenxy13) Batch 44
jedan N/A Tags: Dynamic Programming jedan COCI 2012/2013 Batch 4
stones N/A Tags: Graph Theory, Trees stones Dunjudge Archive Batch 57
hyperoperations N/A Tags: Math hyperoperations Dunjudge Archive Batch 3
pigeons N/A Tags: Brute Force pigeons Classic Problem Batch 307
diamond N/A Tags: Syntax diamond Classic Problem Batch 369
psle N/A Tags: Syntax Old PSLE Grading System Classic Problem Batch 792
3nplus1II N/A Tags: Syntax 3nplus1II Classic Problem Batch 385
3nplus1 N/A Tags: Syntax 3nplus1 Classic Problem Batch 878
rightangtri N/A Tags: Syntax rightangtri Classic Problem Batch 671
evenorodd N/A Tags: Syntax evenorodd Classic Problem Batch 805
boxhaskey N/A Tags: Graph Theory Box Has Key HCI-RI 2020 May Contest (bensonlzl) Batch 19
rainbowroad N/A Tags: Bitmask, Dynamic Programming, Graph Theory, Trees Rainbow Road HCI-RI 2020 May Contest (bensonlzl) Batch 15
pressstart N/A Tags: Data Structures, Graph Theory Press Start! HCI-RI 2020 May Contest (bensonlzl) Batch 10
bracketsyndrome N/A Tags: Adhoc, Data Structures Bracket Syndrome RI-HCI NOI Selection Test 2019 Batch 121
destroy N/A Tags: Dynamic Programming, Graph Theory, Trees Destroy RI-HCI NOI Selection Test 2019 Batch 11
wires N/A Tags: Adhoc Wires RI-HCI NOI Selection Test 2019 (bensonlzl) Interactive 18
usefft4 N/A Tags: Explicitly Excluded (from IOI), Math Use FFT 4 Valentine's Day Contest 2022 (errorgorn) Batch 2
consistency N/A Tags: Data Structures Consistency RI-HCI NOI Selection Test 2019 (bensonlzl) Batch 2
rainbowrabbit N/A Tags: Adhoc, Greedy rainbowrabbit RI-HCI December Course Selection 2019 (bensonlzl) Batch 46
rabbitroad N/A Tags: Binary Search, Graph Theory, Greedy, Trees RabbitRoad RI-HCI December Course Selection 2019 (bensonlzl) Batch 19
badtree N/A Tags: Binary Search, Data Structures badtree RI-HCI December Course Selection 2019 (bensonlzl) Batch 16
orangecollector N/A Tags: Bitmask, Data Structures, Dynamic Programming Orange Collector RI-HCI December Course Selection 2019 (rs) Batch 18
escalation N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees escalation RI-HCI December Course Selection 2019 (bensonlzl) Batch 8
circleselection N/A Tags: Data Structures, Math Circle selection APIO 2018 Batch 6
duathlon N/A Tags: Graph Theory, Trees Duathlon APIO 2018 Batch 8
f7 N/A Tags: Greedy F7 COCI 2012/2013 Batch 110
forensic N/A Tags: Brute Force, Graph Theory forensic NOI 2012 Batch 4
modsum N/A Tags: Dynamic Programming, Math modsum NOI 2012 Batch 51
diesel N/A Tags: Dynamic Programming, Graph Theory diesel NOI 2013 Batch 4
obelisk N/A Tags: Graph Theory obelisk NOI 2014 Batch 2
cats N/A Tags: Adhoc cats NOI 2014 Batch 3
island N/A Tags: Graph Theory, Math, Trees Island NOI 2018 Prelims Batch 17
snail N/A Tags: Adhoc, Syntax Snail NOI 2018 Prelims Batch 38
robot N/A Tags: Data Structures Robots Educational Round 8 (Goodbye oolimry) (oolimry) Batch 11
badnim3 N/A Tags: Bitmask, Explicitly Excluded (from IOI), Math Bad Nim 3 (EE) Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 5
monke N/A Tags: Math Monke Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 5
badnim2 N/A Tags: Explicitly Excluded (from IOI), Math Bad Nim 2 (EE) Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 4
mamamintaplusa N/A Tags: Greedy mama MINta PLUSa Educational Round 8 (Goodbye oolimry) (errorgorn) Batch 19
coolinteractive N/A Tags: Adhoc Cool Interactive Educational Round 8 (Goodbye oolimry) (errorgorn) Interactive 8
epicinteractive N/A Tags: Adhoc, Information Theory, Math Epic Interactive Educational Round 8 (Goodbye oolimry) (errorgorn, oolimry) Interactive 3
suffixarray N/A Tags: Explicitly Excluded (from IOI), Math Oolimry and Suffix Array Codeforces Round 723 (zaneyu) Batch 4
killanton N/A Tags: Brute Force, Greedy Kill Anton Codeforces Round 723 (errorgorn) Batch 6
potionshard N/A Tags: Greedy Potions (Hard Version) Codeforces Round 723 (errorgorn, oolimry) Batch 36
potionseasy N/A Tags: Dynamic Programming, Greedy Potions (Easy Version) Codeforces Round 723 (errorgorn, oolimry) Batch 37
ihate1111 N/A Tags: Adhoc, Math I Hate 1111 Codeforces Round 723 (errorgorn) Batch 111
switchandflip N/A Tags: Constructive Algorithms, Graph Theory, Math Switch and Flip Codeforces Global Round 13 (errorgorn, oolimry) Batch 1
infinitezoo N/A Tags: Bitmask, Graph Theory, Greedy, Math Zookeeper and The Infinite Zoo Codeforces Global Round 13 (errorgorn) Batch 11
ruler N/A Tags: Brute Force, Data Structures Ruler Of The Zoo Educational Round 8 (Goodbye oolimry) (oolimry) Batch 3
pekora N/A Tags: Greedy Pekora and Trampoline Educational Round 8 (Goodbye oolimry) (oolimry) Batch 11
palindromicfizzbuzz N/A Tags: Syntax Palindromic FizzBuzz NOI 2019 Prelims Batch 167
lostarray N/A Tags: Adhoc, Constructive Algorithms Lost Array NOI 2019 Prelims Batch 86
squarerect N/A Tags: Adhoc, Information Theory Square or Rectangle? NOI 2019 Prelims Interactive 12
virus N/A Tags: Adhoc, Graph Theory, Line Sweep/Sliding Window virus JOISC 2017, Day 1 Batch 1
mirrortree N/A Tags: Graph Theory, Trees mirrortree BOI 2011, Day 2 Batch 3
airline N/A Tags: Graph Theory, Information Theory airline JOISC 2018, Day 3 Communication 9
dungeons2 N/A Tags: Binary Search, Data Structures dungeons2 AGM 2021, Final Round, Day 2 Batch 4
sillysort N/A Tags: Math sillysort info(1) cup 2019 (modified) (errorgorn) Batch 5
trivialmaths2 N/A Tags: Explicitly Excluded (from IOI), Math trivialmaths2 (EE) Educational Round 7 (errorgorn) Batch 5
oridance N/A Tags: Dynamic Programming Orientation Dance Codeforces 1509C Batch 75
addone N/A Tags: Dynamic Programming Add One Codeforces 1513C Batch 33
switches N/A Tags: Explicitly Excluded (from IOI), Math switches Educational Round 7 (myrcella, errorgorn) Batch 4
bosubaiko N/A Tags: Adhoc, Greedy Bosu Baiko Educational Round 6 (errorgorn) Batch 29
robobear N/A Tags: Graph Theory The Maze of RoboBear Tuymaada 2021 Batch 19
findandprevent N/A Tags: Graph Theory, Trees Find and Prevent Tuymaada 2021 Batch 19
judgeantibreaker N/A Tags: Binary Search, Square Root Decomposition judgeantibreaker Educational Round 6 (oolimry) Batch 8
fourbuckets N/A Tags: Adhoc, Math Four Buckets Educational Round 6 (oolimry) Batch 25
persistentlists N/A Tags: Binary Search, Data Structures, Square Root Decomposition Persistent Lists Educational Round 6 (oolimry) Batch 5
hellokitty N/A Tags: Binary Search, Data Structures, Math hellokitty Dunjudge Archive Batch 26
cudak N/A Tags: Binary Search, Dynamic Programming cudak COCI 2007/2008 Batch 31
routes N/A Tags: Adhoc, Graph Theory routes Dunjudge Archive Batch 16
quality N/A Tags: Binary Search, Dynamic Programming Quality of Living IOI 2010 Interactive 6
flooding N/A Tags: Graph Theory flooding Dunjudge Archive Batch 9
burger N/A Tags: Greedy burger Code Jam to I/O 2018 for Women Batch 21
toblerone N/A Tags: Brute Force, Dynamic Programming, Greedy toblerone HCI Mock NOI 2015 Batch 11
twomeals N/A Tags: Brute Force, Dynamic Programming, Greedy twomeals Dunjudge Archive Batch 140
badnim N/A Tags: Explicitly Excluded (from IOI), Math badnim Educational Round 7 (errorgorn) Batch 44
pancake N/A Tags: Brute Force, Graph Theory pancake NOI 2012 Batch 22
switches2 N/A Tags: Dynamic Programming, Math switches2 Educational Round 7 (errorgorn) Batch 8
switches998244353 N/A Tags: Explicitly Excluded (from IOI), Math switches998244353 (EE) Educational Round 7 (errorgorn) Batch 4
cashmoney N/A Tags: Math Cash Money 2020 CNY Batch 12
parade N/A Tags: Dynamic Programming, Graph Theory, Trees parade Dunjudge Archive Batch 34
productcounting N/A Tags: Divide and Conquer, Square Root Decomposition Product Counting Educational Round 5 (errorgorn) Batch 5
lottery N/A Tags: Adhoc Lottery CEOI 2018 Batch 5
cloudcomputing N/A Tags: Dynamic Programming Cloud computing CEOI 2018 Batch 17
mandarins N/A Tags: Math Mandarins 2020 CNY Batch 63
friendcross N/A Tags: Data Structures friendcross USACO 2017 Feb Plat Batch 2
supplies N/A Tags: Graph Theory supplies Dunjudge Archive Batch 81
knightmoves N/A Tags: Graph Theory knightmoves Dunjudge Archive Batch 125
mining N/A Tags: Graph Theory mining Dunjudge Archive Batch 28
erp N/A Tags: Graph Theory erp Dunjudge Archive Batch 71
heatwv N/A Tags: Graph Theory Heat Wave Dunjudge Archive Batch 105
party N/A Tags: Data Structures, Graph Theory party Dunjudge Archive Batch 176
marathon_usaco N/A Tags: Data Structures Marathon USACO 2014 Dec, Gold Batch 4
schedule N/A Tags: Dynamic Programming, Graph Theory schedule HCI NOI Selection Test 2014 Batch 13
streets N/A Tags: Data Structures, Graph Theory, Trees One-Way Streets CEOI 2017 Batch 11
friend N/A Tags: Adhoc friend IOI 2014 Interactive 6
tournament N/A Tags: Graph Theory, Trees tournament IOI 2012 Interactive 6
registers N/A Tags: Bitmask, Constructive Algorithms Bit Shift Registers IOI 2021 Interactive 2
dungeons N/A Tags: Graph Theory Dungeons Game IOI 2021 Interactive 2
dna_ioi N/A Tags: Adhoc Mutating DNA IOI 2021 Interactive 52
candies_ioi N/A Tags: Data Structures Distributing Candies IOI 2021 Interactive 6
parks N/A Tags: Adhoc, Constructive Algorithms, Graph Theory Fountain Parks IOI 2021 Interactive 3
keys N/A Tags: Graph Theory, Trees Keys IOI 2021 Interactive 5
graphoverflow N/A Tags: Graph Theory, Math graphoverflow RI Deccourse 2018 Selection Test (jerryhanjt) Batch 7
divsum_dec18 N/A Tags: Math Divsum RI Deccourse 2018 Selection Test (eutroph) Batch 14
askonegetonefree N/A Tags: Binary Search, Dynamic Programming AskOneGetOneFree NOI 2015 Interactive 12
elephants N/A Tags: Binary Search, Square Root Decomposition Elephants IOI 2011 Interactive 7
newhome N/A Tags: Divide and Conquer, Slope Trick New Home APIO 2018 Batch 5
bridge_cerc N/A Tags: Graph Theory, Square Root Decomposition Bridge CERC 2018 Batch 4
ponteng N/A Tags: Math, Square Root Decomposition Ponteng 2019 IOI Problem Setter Contest Batch 9
mobitel N/A Tags: Dynamic Programming, Square Root Decomposition Mobitel COCI 2018/2019 Batch 10
historical N/A Tags: Square Root Decomposition Historical JOI 2013/2014 Batch 22
mathtree N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Math Tree SGP Sparring 2021 (lovemathboy) Batch 27
seedflare N/A Tags: Information Theory Seed Flare SGP Sparring 2021 (lovemathboy) Interactive 14
seabreakpath N/A Tags: Data Structures Seabreak Path SGP Sparring 2021 (lovemathboy) Batch 2
sonya N/A Tags: Dynamic Programming, Slope Trick Sonya and Problem Wihtout A Legend Codeforces 713C Batch 27
minimum N/A Tags: Syntax minimum Classic Problem Interactive 530
indivisibility N/A Tags: Math indivisibility Dunjudge Archive Batch 34
thanossort_st4 N/A Tags: Adhoc, Divide and Conquer, Explicitly Excluded (from IOI) thanossort_st4 RSA Fun Contest (errorgorn) Interactive 9
thanossort N/A Tags: Adhoc, Divide and Conquer thanossort RSA Fun Contest (errorgorn) Interactive 11
fireworks N/A Tags: Dynamic Programming, Graph Theory, Slope Trick, Trees Fireworks APIO 2016 Batch 15
warp N/A Tags: Bitmask, Dynamic Programming warp HCI NOI Selection Retest 2020 (bensonlzl) Batch 39
skyline N/A Tags: Graph Theory, Greedy skyline HCI NOI Selection Retest 2020 (bensonlzl) Batch 38
colourblind N/A Tags: Graph Theory colourblind HCI NOI Selection Retest 2020 (bensonlzl) Interactive 13
meetings N/A Tags: Data Structures, Divide and Conquer Meetings IOI 2018 Interactive 4
doll N/A Tags: Adhoc, Constructive Algorithms Mechanical Doll IOI 2018 Interactive 8
highway N/A Tags: Binary Search, Information Theory Highway Tolls IOI 2018 Interactive 3
race N/A Tags: Divide and Conquer, Trees Race IOI 2011 Interactive 32
mushrooms N/A Tags: Constructive Algorithms, Information Theory Counting Mushrooms IOI 2020 (Day 2) Interactive 3
promotion N/A Tags: Data Structures, Graph Theory, Trees Promotion Counting USACO 2017 Jan, Platinum Batch 35
rabbitbridges N/A Tags: Binary Search, Graph Theory Rabbit Bridges Educational Round 5 (oolimry) Batch 12
powersupply N/A Tags: Adhoc, Data Structures, Line Sweep/Sliding Window, Math Power Supply Educational Round 5 (cstuart) Batch 3
lfs N/A Tags: Dynamic Programming, Math Longest Factor Subsequence Educational Round 5 (errorgorn) Batch 37
funfair N/A Tags: Dynamic Programming, Graph Theory, Trees Funfair Educational Round 5 (rs) Batch 19
supertrees N/A Tags: Adhoc, Constructive Algorithms, Graph Theory Connecting Supertrees IOI 2020 Interactive 16
plants N/A Tags: Binary Search, Data Structures Comparing Plants IOI 2020 Interactive 3
midas N/A Tags: Graph Theory, Trees Midas POI 2017 Round 3 Day 1 Q1 Batch 14
molecules N/A Tags: Adhoc, Line Sweep/Sliding Window Detecting Molecules IOI 2016 Interactive 20
flood N/A Tags: Graph Theory, Math Flood POI 2018 Round 1 Q3 Batch 10
container N/A Tags: Square Root Decomposition Shipping Containers POI 2017 Round 2 Day 2 Q1 Batch 30
threetowers N/A Tags: Brute Force, Greedy threetowers POI 2015 Round 2 Day 2 Q2 Batch 10
wombats N/A Tags: Data Structures wombats IOI 2013 Interactive 3
dreaming N/A Tags: Graph Theory dreaming IOI 2013 Interactive 17
animaleditor N/A Tags: Data Structures animaleditor MCO Batch 11
cave N/A Tags: Binary Search cave IOI 2013 Interactive 28
leastround N/A Tags: Dynamic Programming leastround Codeforces 2B Batch 8
garden_ioi05 N/A Tags: Brute Force, Dynamic Programming Garden IOI 2005 Batch 15
garden_ioi08 N/A Tags: Dynamic Programming Linear Garden IOI 2008 Batch 13
umbrella N/A Tags: Dynamic Programming umbrella USACO Silver Dec 2011 Batch 23
robots N/A Tags: Binary Search, Greedy robots IOI 2013 Interactive 21
fruits N/A Tags: Data Structures, Greedy fruits Dunjudge Archive Batch 32
tourist N/A Tags: Data Structures, Greedy tourist IOI 2012 Practice Tasks Batch 47
convexhull N/A Tags: Data Structures Convex Hull Classic Problem (ryangohca) Batch 50
roads N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Road Closures APIO 2021 Interactive 10
collectingstamps3 N/A Tags: Dynamic Programming collectingstamps3 JOI 2020 Final Round Batch 5
jjooii2 N/A Tags: Adhoc jjooii2 JOI 2020 Final Round Batch 14
infiniteseq N/A Tags: Dynamic Programming infiniteseq AtCoder Regular Contest 071 Batch 4
tents N/A Tags: Dynamic Programming Tents JOI 2017/2018 Spring Camp Batch 4
changingcolours N/A Tags: Data Structures, Dynamic Programming changingcolours RI Problem Setter Contest 2019 (rs) Batch 8
orlando N/A Tags: Bitmask, Data Structures, Dynamic Programming, Graph Theory, Trees orlando RI Problem Setter Contest 2019 (zhuan, 0rang3) Batch 4
birthday N/A Tags: Explicitly Excluded (from IOI), Math birthday RI Problem Setter Contest 2019 (syy) Batch 5
marathon N/A Tags: Dynamic Programming, Graph Theory marathon RI Problem Setter Contest 2019 (Ziwyy) Batch 5
rabbitplane N/A Tags: Binary Search, Greedy rabbitplane RI Problem Setter Contest 2019 (bensonlzl) Batch 7
lineup2 N/A Tags: Syntax Lineup RI Problem Setter Contest 2019 (rs) Batch 81
kickingshoes N/A Tags: Data Structures, Greedy, Math Kicking Shoes Educational Round 4 (maomao90) Batch 15
7up N/A Tags: Syntax 7up RI November Course Stage 2 Selection Test 2019 Batch 134
scrivener N/A Tags: Data Structures Crayfish scrivener IOI 2012 Interactive 18
cousin N/A Tags: Graph Theory, Trees cousin Dunjudge Archive Interactive 14
candyshop N/A Tags: Data Structures candyshop Classic Problem Batch 38
construction N/A Tags: Graph Theory, Trees Construction of Highway JOI 2017/2018 Spring Camp Batch 7
jumps N/A Tags: Data Structures, Greedy Rainforest Jumps APIO 2021 (bensonlzl) Interactive 20
hexagon N/A Tags: Graph Theory, Math Hexagonal Territory APIO 2021 Interactive 1
count1graphs N/A Tags: Math Count 1 Graphs Educational Round 4 (maomao90, errorgorn) Batch 3
gwynethandtree N/A Tags: Divide and Conquer, Graph Theory, Trees Gwyneth and Tree Codeforces 342E Batch 38
chemistry N/A Tags: Dynamic Programming, Joke chemistry April Fools Contest 2020 (0rang3) Batch 9
wormholes N/A Tags: Dynamic Programming wormholes Dunjudge Archive Batch 122
istj N/A Tags: Data Structures, Trees ISTJ 2020 CNY, Classic Problem (0rang3, shenxy13) Batch 14
bookshelf N/A Tags: Data Structures bookshelf Dunjudge Archive Batch 54
bombing N/A Tags: Graph Theory bombing Dunjudge Archive Batch 21
atm N/A Tags: Graph Theory The Great ATM Robbery APIO 2009 Batch 26
mice N/A Tags: Graph Theory mice Dunjudge Archive Batch 20
bombing2 N/A Tags: Graph Theory bombing2 Dunjudge Archive Batch 22
sailor N/A Tags: Graph Theory sailor CPSPC 2010 Batch 25
doodles N/A Tags: Graph Theory, Math doodles December Course 2019 Advanced Final Contest (rs) Batch 5
clockpalindrome N/A Tags: Adhoc, Dynamic Programming clockpalindrome December Course 2019 Advanced Final Contest Batch 7
hdb N/A Tags: Data Structures, Dynamic Programming hdb Dunjudge Archive Batch 30
skyscraper_apio15 N/A Tags: Graph Theory, Square Root Decomposition Jakarta Skyscrapers APIO 2015 Batch 17
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 11
edgeflip N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Edge Flipping Educational Round 4 (jamessng) Batch 13
bubblesort N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Bubble Sort Educational Round 4 (jamessng, zaneyu, oolimry) Batch 16
boarding N/A Tags: Graph Theory boarding NUSH ISC 2018 Batch 2
chess N/A Tags: Adhoc, Bitmask, Data Structures chess NUSH ISC 2018 Batch 8
bananaland N/A Tags: Dynamic Programming bananaland NUSH ISC 2018 Batch 6
strangedevice N/A Tags: Data Structures, Math Strange Device APIO 2019 Batch 18
sandd N/A Tags: Binary Search sandd Classic Problem Interactive 137
mugger N/A Tags: Dynamic Programming mugger RI Problem Setter Contest 2019 (ngmh) Batch 36
bridges_apio19 N/A Tags: Graph Theory, Square Root Decomposition Bridges APIO 2019 Batch 14
badknapsack N/A Tags: Brute Force, Dynamic Programming badknapsack Educational Round 3 (errorgorn) Batch 15
inversemax N/A Tags: Bitmask, Dynamic Programming inversemax Educational Round 3 (errorgorn) Batch 24
cheaters N/A Tags: Explicitly Excluded (from IOI), Math cheaters Educational Round 3 (errorgorn) Batch 6
fencing3 N/A Tags: Data Structures, Square Root Decomposition fencing3 Educational Round 3 (errorgorn, tqbfjotld) Batch 4
catalansum N/A Tags: Explicitly Excluded (from IOI), Math catalansum (EE) Educational Round 3 (errorgorn, oolimry) Batch 12
cardgame2 N/A Tags: Dynamic Programming cardgame2 Dunjudge Archive Batch 8
cardgame N/A Tags: Data Structures, Dynamic Programming cardgame Dunjudge Archive Batch 5
primepie N/A Tags: Math primepie Dunjudge Archive Interactive 46
orchard2 N/A Tags: Dynamic Programming orchard2 RI NOI Selection Test 2015 Batch 14
hacker N/A Tags: Data Structures, Greedy, Line Sweep/Sliding Window hacker BOI 2015 Batch 13
sawmills N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Two Sawmills CEOI 2004 Batch 13
scanner N/A Tags: Dynamic Programming scanner Dunjudge Archive Batch 43
jumping2 N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming Jumping Dunjudge Archive Batch 25
ballot N/A Tags: Data Structures ballot Dunjudge Archive Batch 113
UCFJ N/A Tags: Data Structures UCFJ USACO 2021 US Open, Platinum Batch 2
corporate N/A Tags: Data Structures, Divide and Conquer Corporate IOI 2020 Practice Session Batch 5
sequence_apio N/A Tags: Dynamic Programming Split the sequence APIO 2014 Batch 26
sort N/A Tags: Adhoc sort Classic Problem? Batch 134
aliens N/A Tags: Data Structures aliens Dunjudge Archive Batch 19
GSS N/A Tags: Greedy GSS Dunjudge Archive Batch 271
scalars N/A Tags: Greedy scalars Dunjudge Archive Batch 165
chinese N/A Tags: Syntax chinese Dunjudge Archive Batch 106
potatosalad N/A Tags: Greedy potatosalad Classic Problem Batch 549
skillmoves N/A Tags: Data Structures, Greedy skillmoves RI November Course Stage 2 Selection Test 2019 Batch 61
cuberoot N/A Tags: Binary Search, Math, Syntax cuberoot Classic Problem Batch 424
sudoku N/A Tags: Constructive Algorithms, Greedy sudoku NOI 2015 Batch 5
shuffle N/A Tags: Constructive Algorithms, Graph Theory shuffle NOI 2019 Interactive 3
citymapping N/A Tags: Constructive Algorithms, Graph Theory, Information Theory, Trees CityMapping NOI 2018 Interactive 8
lampposts N/A Tags: Binary Search lampposts Dunjudge Archive Interactive 23
cards N/A Tags: Data Structures cards Dunjudge Archive Batch 17
chunlian N/A Tags: Data Structures chunlian Dunjudge Archive Batch 34
1402 N/A Tags: Adhoc, Joke 1402 April Fools' 2021 (bensonlzl) Batch 50
aliens_ioi N/A Tags: Binary Search, Data Structures, Dynamic Programming Aliens IOI 2016 Interactive 11
countedges N/A Tags: Dynamic Programming, Graph Theory, Math Counting Edges USACO 2021 February Contest, Platinum Batch 1
minedges N/A Tags: Graph Theory Minimizing Edges USACO 2021 February Contest, Platinum Batch 1
notimetodry N/A Tags: Data Structures, Square Root Decomposition No Time to Dry USACO 2021 February Contest, Platinum Batch 3
escapesadland N/A Tags: Binary Search, Graph Theory Escape Sadland Dunjudge Archive Batch 3
snack N/A Tags: Dynamic Programming, Greedy snack Dunjudge Archive Batch 214
stepgame N/A Tags: Dynamic Programming, Greedy stepgame Classic Problem Batch 259
badpotato N/A Tags: Dynamic Programming badpotato Dunjudge Archive Batch 136
malcolm N/A Tags: Line Sweep/Sliding Window malcolm COCI 2012/2013 Batch 42
squidzofrenzic N/A Tags: Binary Search squidzofrenzic Dunjudge Archive Batch 238
restaurant N/A Tags: Greedy restaurant Dunjudge Archive Batch 66
carpark N/A Tags: Greedy carpark Dunjudge Archive Batch 178
explosion N/A Tags: Math explosion Classic Problem Batch 121
countalp N/A Tags: Syntax countalp Classic Problem Batch 223
pigeonhole N/A Tags: Data Structures pigeonhole Dunjudge Archive Batch 123
uniquenumbers N/A Tags: Data Structures uniquenumbers Classic Problem Batch 380
reflection N/A Tags: Constructive Algorithms, Math reflection RI-HCI NOI Selection Test 2020 (eutroph) Batch 1
solarstorm N/A Tags: Graph Theory, Line Sweep/Sliding Window, Trees Solar Storm NOI 2020 Prelims Batch 16
harbingers N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees harbingers CEOI 2009 Batch 9
gizmoguy N/A Tags: Slope Trick Gizmo Guy IOI 2020 Practice Session Batch 6
housevisit N/A Tags: Dynamic Programming, Graph Theory, Trees housevisit CNY Contest 2019 (bensonlzl) Batch 25
1821 N/A Tags: Constructive Algorithms, Graph Theory, Joke, Trees 1821 April Fools' 2021 (zaneyu) Batch 124
0405 N/A Tags: Joke, Math 0405 April Fools' 2021 (zaneyu) Batch 80
1503 N/A Tags: Adhoc, Joke 1503 April Fools' 2021 (jamielim) Batch 57
pond N/A Tags: Data Structures, Dynamic Programming pond NOI 2021 Finals Batch 1
archaeologist N/A Tags: Adhoc archaeologist NOI 2021 Finals Interactive 15
tiles N/A Tags: Bitmask, Data Structures, Dynamic Programming tiles NOI 2021 Finals Batch 26
fraud N/A Tags: Adhoc, Math fraud NOI 2021 Finals Batch 86
password N/A Tags: Data Structures, Dynamic Programming, Greedy, Slope Trick password NOI 2021 Finals Batch 31
1609 N/A Tags: Joke 1609 April Fools' 2021 (0rang3) Batch 216
colorgraph N/A Tags: Graph Theory colorgraph uwu (errorgorn) Batch 16
latex N/A Tags: Data Structures, Dynamic Programming latex RI Deccourse 2018 Selection Test Batch 6
acorns N/A Tags: Data Structures acorns MCO 2016 Batch 15
lppfnlcst2 N/A Tags: Data Structures Lazy Propogation Persistant Fat Nodes Li Chao Segment Tree 2 Classic Problem (errorgorn) 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 5
mememagic N/A Tags: Dynamic Programming mememagic Dunjudge Archive Batch 19
train_ex N/A Tags: Dynamic Programming train_ex Dunjudge Archive Batch 37
train N/A Tags: Dynamic Programming train Dunjudge archive Batch 87
commando N/A Tags: Data Structures, Dynamic Programming commando APIO 2010 Batch 69
foolpruf N/A Tags: Data Structures, Graph Theory, Greedy Foolprüf Security NERC 2019 Batch 3
supperbox N/A Tags: Divide and Conquer, Dynamic Programming Estelle’s Supper Box RI-HCI NOI Selection Test 2018 Batch 44
catgameshow N/A Tags: Data Structures catgameshow RI/RJC NOI Selection Test 2016 Batch 13
guards N/A Tags: Divide and Conquer, Dynamic Programming Guards Dunjudge archive Batch 48
truck N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Math, Trees truck NOI 2021 Qualification Batch 17
departure N/A Tags: Data Structures, Greedy departure NOI 2021 Qualification Batch 15
competition N/A Tags: Greedy competition NOI 2021 Qualification Batch 238
bracketcount N/A Tags: Dynamic Programming, Explicitly Excluded (from IOI) bracketcount Valentines Contest 2021 (errorgorn) Batch 3
dahliahostels N/A Tags: Dynamic Programming, Math dahliahostels Valentines Contest 2021 (errorgorn) Batch 3
ducknuggetconvention N/A Tags: Data Structures, Divide and Conquer Duck Nugget Convention Valentines Contest 2021 (oolimry) Batch 30
trivialmaths N/A Tags: Explicitly Excluded (from IOI), Math trivialmaths Valentines Contest 2021 (errorgorn) Interactive 17
catteams N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming catteams RI/RJC NOI Selection Test 2016 Batch 15
rarsum N/A Tags: Dynamic Programming rarsum Raffles Cat Helping Contest 2013 Batch 31
rarwall N/A Tags: Data Structures rarwall Dunjudge Archive Interactive 19
troubles N/A Tags: Adhoc, Data Structures, Dynamic Programming troubles Dunjudge Archive Batch 31
snakesnack2 N/A Tags: Line Sweep/Sliding Window snakesnack2 RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 35
rebuild N/A Tags: Constructive Algorithms, Graph Theory, Greedy rebuild RI-HCI-NUSH NOI Selection Test 2021 (shenxy13) Interactive 16
fertile N/A Tags: Binary Search, Data Structures, Dynamic Programming fertile RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 19
bunnyscore N/A Tags: Adhoc, Data Structures bunnyscore RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Interactive 29
armpit N/A Tags: Adhoc armpit RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 41
construct N/A Tags: Dynamic Programming, Graph Theory Constructing Birthday Presents RI-HCI-NUSH NOI Selection Test 2021 (0rang3) Batch 60
bucketstacking N/A Tags: Adhoc, Greedy Bucket Stacking RI-HCI-NUSH NOI Selection Test 2021 (oolimry) Batch 27
swimming N/A Tags: Graph Theory Constructing a Swimming Pool RI-HCI-NUSH NOI Selection Test 2021 (0rang3) Batch 38
wabbit N/A Tags: Greedy wabbit RI-HCI-NUSH NOI Selection Test 2021 (oolimry) Batch 94
fencing N/A Tags: Data Structures, Line Sweep/Sliding Window, Square Root Decomposition fencing RI-HCI-NUSH NOI Selection Test 2021 (errorgorn) Batch 24
magick N/A Tags: Adhoc, Information Theory, Math Magick RI-HCI NOI Selection Test 2019 Communication 11
combo N/A Tags: Adhoc Combo IOI 2018 Interactive 38
werewolf N/A Tags: Data Structures, Graph Theory, Trees Werewolf IOI 2018 Interactive 11
nian N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees Nian 2020 CNY (oolimry) Batch 18
summarising2020 N/A Tags: Information Theory, Joke Summarising 2020 Hello 2021 (shenxy13) Interactive 65
hashcollision N/A Tags: Joke Hash Collision Hello 2021 (shenxy13) Interactive 106
samelength N/A Tags: Joke Same Length Hello 2021 (errorgorn) Batch 68
holdinghands N/A Tags: Graph Theory, Trees holdinghands Dec Course 2020 BAPS (jiahng) Batch 11
quillvsowl N/A Tags: Adhoc, Line Sweep/Sliding Window Quill Vs Owl Dec Course 2020 BAPS (jamielim) Batch 55
dna N/A Tags: Dynamic Programming DNA APIO 2008 Batch 24
girlfriend N/A Tags: Dynamic Programming, Graph Theory girlfriend Dunjudge Archive Batch 41
tour N/A Tags: Bitmask, Dynamic Programming, Graph Theory tour NOI 2011 Batch 30
variety N/A Tags: Dynamic Programming variety RI November Course Stage 2 Selection Test 2019 Batch 64
appletree N/A Tags: Graph Theory appletree Dunjudge Archive Batch 30
bananafever N/A Tags: Dynamic Programming, Graph Theory, Trees bananafever Dunjudge Archive Batch 24
delivery N/A Tags: Bitmask, Dynamic Programming, Graph Theory delivery Dunjudge Archive Batch 16
graphcraft N/A Tags: Graph Theory graphcraft Dunjudge Archive Interactive 60
numbers N/A Tags: Dynamic Programming Palindrome-Free Numbers BOI 2013 Batch 62
assembly N/A Tags: Dynamic Programming assembly Dunjudge Archive Batch 96
lazycat N/A Tags: Bitmask, Dynamic Programming, Graph Theory lazycat Dunjudge Archive Batch 36
makemst N/A Tags: Graph Theory, Math makemst Codeforces 1088F Batch 11
haiku N/A Tags: Dynamic Programming Iroha and Haiku AtCoder Batch 9
padoru N/A Tags: Graph Theory Hashire Sori Yo! Dec Course 2020 BAPS (peaceknight05) Batch 59
bracketflip N/A Tags: Data Structures, Line Sweep/Sliding Window, Math bracketflip Dec Course 2020 BAPS (pavement) Batch 13
split N/A Tags: Constructive Algorithms, Graph Theory, Trees Split the Attractions IOI 2019 (Day 1) Interactive 4
village N/A Tags: Graph Theory, Greedy, Trees village BOI 2020 Batch 21
monochromecat N/A Tags: Graph Theory, Trees monochromecat ARC 097 Batch 16
invasion N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Line Sweep/Sliding Window, Trees invasion Dunjudge Archive Batch 17
multipaths N/A Tags: Dynamic Programming, Graph Theory, Trees Multiple Paths Dunjudge Archive Batch 29
oranges2 N/A Tags: Graph Theory, Trees oranges2 RI Deccourse 2018 Selection Test (0rang3) Batch 112
railway N/A Tags: Graph Theory, Trees railway CPSPC 2004 Batch 81
ancestor N/A Tags: Dynamic Programming, Graph Theory, Trees ancestor Classic problem Batch 141
employee N/A Tags: Graph Theory, Trees employee Dunjudge Archive Batch 82
countingagain N/A Tags: Dynamic Programming, Math Counting Again ARC 104D Batch 24
localexpress N/A Tags: Dynamic Programming localexpress AtCoder Typical DP Contest Batch 79
towers N/A Tags: Data Structures, Dynamic Programming towers Codeforces 474E Batch 59
snowcow N/A Tags: Data Structures, Graph Theory, Trees Snowcow USACO 2019 December Contest Platinum Batch 29
guessarray N/A Tags: Adhoc 4sadfaces Guessing an Array Dec Course 2020 BAPS (zaneyu) Interactive 25
ants N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees ants Dunjudge Archive Interactive 28
smurfpaths N/A Tags: Data Structures, Graph Theory, Trees smurfpaths RI-HCI NOI Selection Test 2020 (rs) Batch 74
payraise N/A Tags: Graph Theory payraise Dunjudge Archive Batch 112
selectingintervals N/A Tags: Binary Search, Dynamic Programming selectingintervals Codeforces 1055E Batch 25
globalwarming_ceoi N/A Tags: Data Structures, Dynamic Programming Global warming CEOI 2018 Batch 23
orchard N/A Tags: Dynamic Programming, Line Sweep/Sliding Window orchard NOI 2014 Batch 82
installingapps N/A Tags: Dynamic Programming, Greedy Installing Apps NWERC 2017 Batch 30
christmaswall N/A Tags: Explicitly Excluded (from IOI), Math Christmas Wall Educational Round 2 (maomao90) Batch 7
duckduckgo N/A Tags: Greedy duckduckgo Codeforces 1091F Batch 34
visitingsingapore N/A Tags: Dynamic Programming Visiting Singapore NOI 2020 Prelims Batch 17
llis N/A Tags: Dynamic Programming Longest LIS NUSH NOI Selection Test 2018 Batch 39
election N/A Tags: Data Structures, Dynamic Programming election Dunjudge Archive Batch 36
modules N/A Tags: Binary Search, Data Structures, Dynamic Programming, Line Sweep/Sliding Window modules NUSH NOI Selection Test 2018 Batch 31
4russians N/A Tags: Dynamic Programming 4russians RI-HCI NOI Selection Test 2020 (jamielim) Batch 90
nis N/A Tags: Data Structures, Dynamic Programming nis Dunjudge Archive Batch 76
stamps N/A Tags: Dynamic Programming stamps Dunjudge Archive Batch 72
assignpaths N/A Tags: Binary Search, Graph Theory, Greedy, Trees assignpaths USACO 2020 February Contest, Platinum Batch 29
manycolours N/A Tags: Data Structures, Dynamic Programming, Graph Theory, Trees manycolours ABC 133 Batch 45
merchant_o N/A Tags: Dynamic Programming, Slope Trick Merchant Otter Dec Course 2020 BAPS (myrcella) Batch 27
arrayproblem N/A Tags: Greedy arrayproblem Codeforces Batch 127
cheerleaders N/A Tags: Dynamic Programming cheerleaders Atcoder Educational DP Contest Batch 59
snakesnack N/A Tags: Dynamic Programming, Greedy snakesnack Codeforces 1239E Batch 23
neckties N/A Tags: Data Structures, Greedy Just Long Neckties JOI 2020 Final Round Batch 99
laughter N/A Tags: Binary Search, Data Structures, Line Sweep/Sliding Window laughter Educational Codeforces Round 27 Batch 18
smurfberries N/A Tags: Binary Search smurfberries All-Ukrainian School Olympiad in Informatics 2011 Batch 25
smallprimes_ex N/A Tags: Meet in the Middle Small Primes? Classic Problem? Batch 38
removeedges N/A Tags: Graph Theory removeedges Atcoder Batch 25
bichrome N/A Tags: Graph Theory, Math, Trees bichrome Atcoder Batch 15
funnytree N/A Tags: Graph Theory, Trees Funny Tree (Extreme Version) RuCode 2020 Div A (Extreme Version) (0rang3, rs) Batch 10
christmasturkeyfarm N/A Tags: Data Structures Christmas Turkey Farming Educational Round 2 (dillion) Batch 18
christmastree N/A Tags: Graph Theory, Trees Christmas Tree Educational Round 2 (errorgorn, oolimry) Batch 14
pairs N/A Tags: Binary Search pairs AtCoder Beginner Contest 155 Batch 58
christmasfiboseq N/A Tags: Math Chirstmas Fibonacci Sequence Educational Round 2 (errorgorn) Batch 9
candies_joi N/A Tags: Adhoc, Greedy candies_joi JOI 2017/2018 Spring Camp Batch 32
blocks N/A Tags: Information Theory, Math Blocks UWCOI 2020 (socho, astoria, kimbj0709) Interactive 5
books N/A Tags: Graph Theory, Greedy Ancient Books IOI 2017 Interactive 8
escape N/A Tags: Bitmask, Brute Force, Graph Theory Escape UWCOI 2020 (socho, astoria, kimbj0709) Batch 6
naan N/A Tags: Greedy, Math naan JOI 2018/2019 Spring Camp Batch 21
baseplans N/A Tags: Adhoc Base Plans UWCOI 2020 (socho, astoria, kimbj0709) Batch 18
merchant N/A Tags: Binary Search, Dynamic Programming, Graph Theory Travelling Merchant APIO 2017 Batch 23
runway N/A Tags: Binary Search, Graph Theory Jianzhi’s Runway Show RI NOI Selection Test 2017 Batch 79
rabbitlineup N/A Tags: Divide and Conquer, Dynamic Programming rabbitlineup Dunjudge Archive Batch 15
globalwarming N/A Tags: Line Sweep/Sliding Window Global Warming NOI 2013 Batch 129
justright N/A Tags: Binary Search justright Dunjudge Archive Batch 75
lunchcombo N/A Tags: Binary Search, Greedy lunchcombo RI November Course Stage 2 Selection Test 2019 Batch 70
rubies N/A Tags: Binary Search rubies Dunjudge Archive (pwypeanut) Batch 49
summit N/A Tags: Binary Search summit Dunjudge Archive Batch 164
nonboringsequences N/A Tags: Divide and Conquer nonboringsequences Dunjudge Archive Batch 47
ljubomora N/A Tags: Binary Search ljubomora COCI 2012/2013 Batch 192
inversions N/A Tags: Data Structures, Divide and Conquer inversions Dunjudge Archive Batch 103
fuel N/A Tags: Greedy fuel Dunjudge Archive Batch 160
harddisk N/A Tags: Bitmask, Brute Force, Meet in the Middle harddisk 2015 NOI Training Problem-Setter Contest Batch 82
catfight N/A Tags: Line Sweep/Sliding Window catfight Dunjudge Archive Batch 254
bobek N/A Tags: Bitmask, Meet in the Middle bobek CEOI 2015 Batch 91
4sum N/A Tags: Meet in the Middle 4sum NOI 2008 Batch 193
flamethrower N/A Tags: Brute Force Flame Thrower Dunjudge Archive Batch 630
candymountain_ex N/A Tags: Data Structures, Dynamic Programming candymountain_ex Dunjudge Archive Batch 174
christmasfeast N/A Tags: Adhoc Christmas Feast Educational Round 2 (errorgorn) Batch 68
baseplans_ex N/A Tags: Data Structures baseplans_ex UWCOI 2020 (socho, astoria, kimbj0709) Batch 24
omnomnom2 N/A Tags: Graph Theory, Trees omnomnom2 Classic Problem Batch 114
toll N/A Tags: Data Structures, Dynamic Programming toll BOI 2017 Batch 24
lcm N/A Tags: Math lcm Classic Problem Batch 142
segmenttree2 N/A Tags: Data Structures Segment Tree 2 Classic Problem Batch 164
omnomnom N/A Tags: Dynamic Programming, Graph Theory, Trees omnomnom Classic Problem Batch 151
replacedigits N/A Tags: Data Structures Replace Digits ACL Beginner Contest Batch 68
ragingthunder N/A Tags: Data Structures Raging Thunder Codeforces Batch 14
goodsubsegments N/A Tags: Data Structures goodsubsegments Codeforces Round #493 (Div. 1) Batch 6
fire N/A Tags: Data Structures, Line Sweep/Sliding Window fire JOI 2020 Final Round Batch 9
garaza N/A Tags: Data Structures, Math garaza COCI Batch 5
collaboration N/A Tags: Data Structures, Graph Theory, Trees Collaboration December Course 2019 Advanced Final Contest (0rang3) Interactive 14
optimalsubseq N/A Tags: Binary Search, Data Structures optimalsubseq Codeforces 1227D2 Batch 49
sightseeing2 N/A Tags: Graph Theory, Trees sightseeing2 RI NOI Selection Test 2015 Batch 71
examinations N/A Tags: Data Structures, Line Sweep/Sliding Window examinations JOI Batch 43
bacteria N/A Tags: Data Structures bacteria Dunjudge Archive Batch 49
sherlockinversions N/A Tags: Data Structures, Square Root Decomposition sherlockinversions Dunjudge Archive Batch 55
timeleap N/A Tags: Data Structures timeleap JOI Batch 3
streetlamps N/A Tags: Data Structures, Divide and Conquer Street Lamps APIO 2019 Batch 13
sterilizing N/A Tags: Data Structures sterilizing JOI 2014/15 Batch 51
ohbabyntriples N/A Tags: Binary Search, Data Structures, Greedy Oh Baby, n Triples! IOI 2020 Practice Session Batch 10
collectmushrooms5 N/A Tags: Greedy collectmushrooms5 Dunjudge Archive Batch 18
collectmushrooms4 N/A Tags: Data Structures, Dynamic Programming collectmushrooms4 Dunjudge Archive Batch 19
collectmushrooms3 N/A Tags: Data Structures collectmushrooms3 Dunjudge Archive Batch 62
collectmushrooms N/A Tags: Syntax collectmushrooms Dunjudge Archive Batch 121
sortbooks N/A Tags: Data Structures sortbooks IZhO 2019 Batch 36
poklon N/A Tags: Data Structures, Square Root Decomposition poklon COCI 2016/2017 Batch 63
cake N/A Tags: Brute Force, Data Structures cake CEOI 2014 Batch 29
flights N/A Tags: Graph Theory flights Dunjudge Archive Batch 62
simp N/A Tags: Adhoc, Brute Force Simp Codeforces 1033A Batch 363
trains_mco N/A Tags: Graph Theory, Greedy trains_mco MCO 2015 Batch 11
removeelements N/A Tags: Binary Search, Data Structures removeelements Codeforces Round #668 Batch 28
fortunetelling N/A Tags: Data Structures Fortune Telling 2 JOI 2014 Batch 31
ferries N/A Tags: Graph Theory ferries NOI 2013 Batch 43
inheritance N/A Tags: Binary Search, Graph Theory inheritance JOI 2014/2015 Batch 75
rblock N/A Tags: Graph Theory rblock USACO 2011 December Contest, Silver Division Batch 70
towerdefense N/A Tags: Graph Theory towerdefense Dunjudge Archive Batch 70
boundlessboxes N/A Tags: Graph Theory boundlessboxes Dunjudge Archive Batch 141
snakenladder N/A Tags: Dynamic Programming snakenladder Dunjudge Archive Batch 72
universe N/A Tags: Graph Theory, Trees universe Dunjudge Archive Batch 136
subgraphs N/A Tags: Graph Theory Subgraphs Dunjudge Archive Batch 363
splithunny N/A Tags: Graph Theory splithunny Dunjudge Archive Batch 331
magicwand N/A Tags: Graph Theory magicwand Dunjudge Archive Batch 141
milkweed N/A Tags: Graph Theory milkweed Dunjudge Archive Batch 229
adjmatrix N/A Tags: Graph Theory Adjacency Matrix Dunjudge Archive Batch 583
adjlist N/A Tags: Graph Theory Adjacency List Dunjudge Archive Batch 520
dijkstra N/A Tags: Graph Theory dijkstra Dunjudge Archive Batch 233
bracketsuperseq N/A Tags: Dynamic Programming Shortest Bracket Supersequence Codeforces 1272F Batch 35
beautifulbrackets N/A Tags: Dynamic Programming Beautiful Bracket Sequence Codeforces 1264D1 Batch 29
fractionalmultiset N/A Tags: Dynamic Programming Fractional Multiset ARC 107 Batch 39
hedgehogcrimes_easy N/A Tags: Dynamic Programming Hedgehog Crimes (Easy Version) Classic Problem Batch 141
unmerge N/A Tags: Dynamic Programming Unmerge Codeforces 1381B Batch 66
infiniteloop N/A Tags: Graph Theory Infinite Looping Sequence 2017 RI Dec Course Sel (pwypeanut) Batch 20
arrangetoys N/A Tags: Graph Theory, Math Arranging Toy Displays AGC 016D Batch 20
catchingcheaters N/A Tags: Dynamic Programming Catching Cheaters Codeforces Round 683 (Div 1) Batch 57
subknapsack N/A Tags: Dynamic Programming Knapsack for All Subsets Atcoder Beginner Contest 169 Batch 40
moosic N/A Tags: Data Structures moosic Codeforces Round #386 Batch 27
conversations N/A Tags: Data Structures Zookeeper's Conversations Singapore Zoo (shenxy13) Batch 94
berlandtaxi N/A Tags: Data Structures Berland.Taxi NEERC 2017 Southern Subregional Contest Batch 21
frogs N/A Tags: Syntax Frogs Winter Computer School 2010/11 Team Contest #1 Batch 203
smallprimes N/A Tags: Brute Force, Math Small Primes Classic Problem Batch 104
beareatrabbit N/A Tags: Dynamic Programming Bear Eat Rabbit Classic Problem Batch 272
fibo N/A Tags: Dynamic Programming, Math Fibonacci Classic Problem Batch 682
mercurypoisoning N/A Tags: Graph Theory Mercury Poisoning UWCOI 2020 (socho, astoria, kimbj0709) Batch 12
pairsums N/A Tags: Syntax Button Pairs UWCOI 2020 (socho, astoria, kimbj0709) Batch 293
peakfinding N/A Tags: Syntax Peak Finding UWCOI 2020 (socho, astoria, kimbj0709) Batch 162
mountains N/A Tags: Data Structures Mountains NOI 2020 Prelims Batch 128
snapknack N/A Tags: Dynamic Programming snapknack Dunjudge Archive Batch 55
rabbiteatrabbit N/A Tags: Dynamic Programming rabbiteatrabbit Dec Trg 2019 (Elementary) (jamielim) Batch 96
trains N/A Tags: Dynamic Programming trains Dunjudge Archive Batch 166
walking N/A Tags: Dynamic Programming walking NOI 2012 Batch 63
lis_easy N/A Tags: Dynamic Programming lis_easy Classic problem Batch 474
moneychanger N/A Tags: Dynamic Programming moneychanger Dunjudge Archive Batch 286
speakers N/A Tags: Greedy speakers Dunjudge Archive Batch 153
routers N/A Tags: Greedy routers Dunjudge Archive Batch 92
pandaeyes N/A Tags: Greedy pandaeyes Dunjudge Archive Batch 198
blanko N/A Tags: Data Structures, Greedy blanko Dunjudge Archive Batch 13
weddingcoins N/A Tags: Greedy weddingcoins Dunjudge Archive Batch 368
numericalstrings N/A Tags: Greedy, Math numericalstrings RI November Course Stage 2 Selection Test 2019 Batch 58
binarycoins N/A Tags: Bitmask, Greedy, Syntax binarycoins Dunjudge Archive Batch 324
lemonadestand N/A Tags: Greedy lemonadestand Dunjudge Archive Batch 24
change N/A Tags: Greedy change NOI 2011 Batch 43
lopov N/A Tags: Data Structures lopov COCI 2013/2014 Batch 17
bridge_apio15 N/A Tags: Data Structures Palembang Bridges APIO 2015 Batch 28
ballgame N/A Tags: Data Structures, Dynamic Programming ballgame Dunjudge Archive Interactive 47
optmilk N/A Tags: Data Structures, Dynamic Programming Optimal Milking Dunjudge Archive Batch 87
clique N/A Tags: Data Structures clique Algorithm Class Mini-Contest 8 Batch 64
jams N/A Tags: Data Structures Jams Algorithm Class Mini-Contest 8 Batch 28
penguinfood N/A Tags: Data Structures penguinfood Dunjudge Archive Batch 73
illuminate N/A Tags: Math, Syntax Illuminate RI-HCI NOI Selection Test 2020 (bensonlzl) Batch 194
wabot N/A Tags: Greedy wabot December Course 2019 Advanced Final Contest (bensonlzl) Batch 213
boxispull N/A Tags: Adhoc, Syntax Box is Pull Codeforces Raif Round 1 (bensonlzl) Batch 555
artswap N/A Tags: Data Structures artswap HCI NOI Selection Retest 2020 (bensonlzl) Interactive 20
smurf N/A Tags: Brute Force, Syntax smurf RI Deccourse 2018 Selection Test (tch1001) Batch 462
paint_apio N/A Tags: Adhoc, Line Sweep/Sliding Window, Square Root Decomposition paint_apio APIO 2020 Interactive 15
swap N/A Tags: Graph Theory, Trees Swapping Cities APIO 2020 Interactive 26
fun N/A Tags: Adhoc, Graph Theory, Information Theory, Trees Fun Tour APIO 2020 Interactive 7
bracketex N/A Tags: Data Structures, Syntax bracketex Dunjudge Archive Batch 408
lineup N/A Tags: Line Sweep/Sliding Window lineup USACO Silver Nov 2011 Batch 169
poi N/A Tags: Syntax poi IOI 2009 Batch 128
catlunch N/A Tags: Data Structures, Greedy catlunch RI/RJC NOI Selection Test 2016 Batch 286
ccs N/A Tags: Binary Search, Data Structures ccs Dunjudge Archive Batch 239
medianheap N/A Tags: Data Structures medianheap Dunjudge Archive Batch 179
supermarket N/A Tags: Data Structures, Line Sweep/Sliding Window supermarket RI Dec Course Sel 2017 Batch 55
lengthsort N/A Tags: Syntax lengthsort Dunjudge Archive Batch 383
arrayfind N/A Tags: Binary Search arrayfind Dunjudge Archive Batch 327
contestcalc N/A Tags: Math, Syntax contestcalc Dunjudge Archive Batch 388
lvm N/A Tags: Brute Force, Data Structures lvm NOI 2008 Batch 284
brick N/A Tags: Data Structures brick Dunjudge Archive Batch 510
guanine N/A Tags: Data Structures guanine Dunjudge Archive Batch 346
puttingstrings N/A Tags: Constructive Algorithms, Graph Theory puttingstrings RI-HCI December Course Selection 2020 (rs) Batch 19
springtrap N/A Tags: Data Structures springtrap Educational Round 1 (bensonlzl) Batch 3
lppfnlcst N/A Tags: Binary Search, Data Structures Lazy Propagation Persistant Fat Nodes Li Chao Segment Tree Educational Round 1 (errorgorn) Batch 24
lemmas N/A Tags: Graph Theory lemmas Educational Round 1 (errorgorn) Batch 35
spaceinvaders N/A Tags: Brute Force, Data Structures, Dynamic Programming, Line Sweep/Sliding Window spaceinvaders Educational Round 1 (bensonlzl) Batch 44
seats N/A Tags: Data Structures Seats IOI 2018 Interactive 3
divsum N/A Tags: Math Divisor Sum Educational Round 1 (errorgorn) Batch 18
cakerun N/A Tags: Data Structures Bowen's Cake Run December Course 2019 Advanced Final Contest (rs) Batch 20
messy N/A Tags: Binary Search Unscrambling a Messy Bug IOI 2016 Interactive 5
maximum N/A Tags: Syntax Maximum Dunjudge Archive Batch 1010
sumint N/A Tags: Syntax Sum of Integers Dunjudge Archive Batch 1039
segmenttree N/A Tags: Data Structures Segment Tree Classic problem Batch 283
naptime N/A Tags: Graph Theory, Greedy naptime RI-HCI December Course Selection 2020 (cstuart) Batch 39
conversations_easy N/A Tags: Data Structures Zookeeper's Conversations (Easy Version) RI-HCI December Course Selection 2020 (shenxy13) Batch 124
interestring N/A Tags: Dynamic Programming, Math interestring RI-HCI December Course Selection 2020 (cstuart) Batch 19
square_ioi N/A Tags: Dynamic Programming square_ioi IOI 2014 Practice Interactive 41
tickets N/A Tags: Adhoc, Data Structures Carnival Tickets IOI 2020 Interactive 11
horses N/A Tags: Data Structures, Math horses IOI 2015 Interactive 24
fencing2 N/A Tags: Data Structures fencing2 RI-HCI December Course Selection 2020 (errorgorn) Batch 6
xorb N/A Tags: Math, Syntax xorb Dunjudge Archive Batch 52
fruitsequences N/A Tags: Adhoc, Data Structures Fruit Sequences Codeforces Raif Round 1 (bensonlzl) Batch 56
bracketscore N/A Tags: Greedy bracketscore AGC48 Batch 46
growingtrees N/A Tags: Binary Search, Data Structures growingtrees BOI 2011 Batch 40
singlefile N/A Tags: Data Structures singlefile Dunjudge Archive Batch 72
taxcollection N/A Tags: Greedy, Syntax taxcollection RI-HCI December Course Selection 2020 (JustAWallaby) Batch 114
entropy N/A Tags: Greedy, Syntax entropy RI-HCI December Course Selection 2020 (0rang3) Batch 114
applefarm N/A Tags: Graph Theory applefarm NUSH ISC 2020 (oolimry) Batch 70
basketball N/A Tags: Binary Search, Greedy basketball NUSH ISC 2020 (dantoh) Batch 45
coke N/A Tags: Dynamic Programming, Greedy Coke NUSH ISC 2020 (errorgorn) Batch 91
ljll N/A Tags: Math LJLL NUSH ISC 2020 (errorgorn) Batch 58
performance N/A Tags: Math Performance NUSH ISC 2020 (oolimry) Batch 49
ping N/A Tags: Syntax ping RI HCI NOI Selection 2019 Practice (bensonlzl) Interactive 76
safety N/A Tags: Dynamic Programming, Slope Trick Safety NOI 2018 Batch 28
aesthetic N/A Tags: Binary Search, Data Structures, Graph Theory aesthetic NOI 2020 Finals Batch 11
arcade N/A Tags: Adhoc, Data Structures, Dynamic Programming arcade NOI 2020 Finals Batch 22
progression N/A Tags: Data Structures progression NOI 2020 Finals Batch 35
discharging N/A Tags: Data Structures, Dynamic Programming discharging NOI 2020 Finals Batch 51
labels N/A Tags: Adhoc labels NOI 2020 Finals Batch 112
biscuits N/A Tags: Dynamic Programming, Math Packing Biscuits IOI 2020 (Day 2) Interactive 9
pandaski N/A Tags: Data Structures, Dynamic Programming pandaski NOI 2016 Batch 13
rockclimbing N/A Tags: Graph Theory rockclimbing NOI 2016 Batch 12
fabric N/A Tags: Data Structures, Dynamic Programming fabric NOI 2016 Batch 12
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
mergecards N/A Tags: Adhoc, Dynamic Programming Merge Cards Google Kick Start 2020 Round G Batch 4
exponentiate_ex N/A Tags: Math exponentiate_ex Classic Problem Batch 90
carrots N/A Tags: Greedy carrots Codeforces Raif Round 1 (errorgorn) Batch 84
abbb N/A Tags: Greedy abbb Codeforces Raif Round 1 (errorgorn) Batch 94
firefighting N/A Tags: Dynamic Programming, Graph Theory, Trees firefighting NOI 2020 Qualification Batch 27
relaymarathon N/A Tags: Brute Force, Graph Theory relaymarathon NOI 2020 Qualification Batch 28
fuelstation N/A Tags: Data Structures fuelstation NOI 2020 Qualification Batch 35
crypto N/A Tags: Data Structures crypto NOI 2020 Qualification Batch 62
rmq N/A Tags: Data Structures, Greedy rmq NOI 2017 Batch 26
hotspot N/A Tags: Graph Theory hotspot NOI 2017 Batch 18
boomerangs N/A Tags: Adhoc Bouncing Boomerangs Codeforces Raif Round 1 (bensonlzl) Batch 4
riggedroads N/A Tags: Graph Theory, Greedy, Trees riggedroads NOI 2019 Batch 30
feast N/A Tags: Binary Search, Dynamic Programming, Greedy feast NOI 2019 Batch 44
lasers N/A Tags: Adhoc, Data Structures lasers NOI 2019 Batch 44
pilot N/A Tags: Adhoc, Data Structures pilot NOI 2019 Batch 97
charges N/A Tags: Graph Theory Experimental Charges NOI 2019 Prelims Batch 62
lightningrod N/A Tags: Adhoc, Data Structures LightningRod NOI 2018 Batch 149
journey3 N/A Tags: Dynamic Programming Journey NOI 2018 Batch 40
knapsack N/A Tags: Dynamic Programming Knapsack NOI 2018 Prelims Batch 57
plagia N/A Tags: Data Structures plagia December Course 2018 Advanced Final Contest Batch 24
collectmushrooms2 N/A Tags: Data Structures collectmushrooms2 Dunjudge Archive Batch 96
appeal N/A Tags: Data Structures appeal Dunjudge Archive Batch 40
fenwicktree N/A Tags: Data Structures fenwicktree Classic Problem Batch 166
rotarylock N/A Tags: Data Structures rotarylock HCI NOI Selection Test 2015 Batch 116
candies N/A Tags: Data Structures candies Dunjudge Archive Batch 105
pushups N/A Tags: Math pushups Dunjudge Archive Batch 126
sortedandsorted N/A Tags: Data Structures, Dynamic Programming sortedandsorted ARC 097 Batch 5
shikandgame N/A Tags: Data Structures, Dynamic Programming, Line Sweep/Sliding Window shikandgame AGC 007 Batch 15
car N/A Tags: Graph Theory car Dunjudge Archive Batch 226
rabbittolls N/A Tags: Graph Theory rabbittolls Dunjudge Archive Batch 18
cycling N/A Tags: Graph Theory, Trees cycling Dunjudge Archive Batch 17
sealevel N/A Tags: Graph Theory sealevel Dunjudge Archive Batch 149
penguinislands N/A Tags: Dynamic Programming, Graph Theory penguinislands Dunjudge Archive Batch 43
transform N/A Tags: Brute Force, Dynamic Programming, Graph Theory transform Dunjudge Archive Batch 104
rank N/A Tags: Graph Theory rank NOI 2008 Batch 92
foreveralone N/A Tags: Data Structures foreveralone Dunjudge Archive Batch 254
nemo N/A Tags: Graph Theory nemo Dunjudge Archive Batch 93
catleap N/A Tags: Graph Theory catleap Dunjudge Archive Batch 33
binaryroads N/A Tags: Graph Theory binaryroads Dunjudge Archive Batch 90
pandacity N/A Tags: Graph Theory, Greedy pandacity Dunjudge Archive Batch 73
goodmorning N/A Tags: Graph Theory Good Morning ISC 2020 practice (errorgorn) Batch 17
nihonese N/A Tags: Syntax nihonese ISC 2020 practice (errorgorn) Batch 101
simcity N/A Tags: Graph Theory simcity Dunjudge Archive Batch 85
sightseeing N/A Tags: Graph Theory, Trees sightseeing NOI 2014 Batch 144
minimax N/A Tags: Graph Theory, Trees minimax Hello 2020 (errorgorn) Batch 3
buycomputer N/A Tags: Greedy, Syntax buycomputer Dec Trg 2019 (Elementary) (errorgorn) Batch 52
surnames N/A Tags: Dynamic Programming, Graph Theory, Square Root Decomposition, Trees Surnames 2020 CNY (errorgorn) Batch 15
unluckyfloors N/A Tags: Dynamic Programming unluckyfloors NOI 2016 Batch 47
bestplace N/A Tags: Greedy, Syntax bestplace NOI 2017 Batch 255
xmas N/A Tags: Syntax xmas NOI 2009 Batch 467
rmaxq N/A Tags: Data Structures Range Max Query Dunjudge Archive Batch 148
roadsideadverts N/A Tags: Dynamic Programming, Graph Theory, Trees roadsideadverts NOI 2017 Batch 79
bananafarm N/A Tags: Data Structures bananafarm NOI 2015 Batch 94
card N/A Tags: Data Structures Card NOI 2010 Batch 479
gift N/A Tags: Syntax gift NOI 2007 Batch 211
lunchbox N/A Tags: Greedy Lunch Box NOI 2016 Batch 870
paint N/A Tags: Greedy paint NOI 2011 Batch 457
levenshtein N/A Tags: Dynamic Programming levenshtein Classic problem Batch 96
helloworld N/A Tags: Syntax Hello World Classic problem Batch 1423
chocolate N/A Tags: Dynamic Programming chocolate Dunjudge Archive Batch 20
watching N/A Tags: Binary Search, Dynamic Programming watching JOI Open 2013 Batch 98
bottle N/A Tags: Dynamic Programming, Graph Theory, Trees Bottle Dunjudge Archive Batch 28
goinghome_agc N/A Tags: Data Structures, Greedy goinghome_agc AGC 023 Batch 39
ufo N/A Tags: Dynamic Programming ufo Dunjudge Archive Batch 9
radioactive N/A Tags: Divide and Conquer, Dynamic Programming radioactive NOI 2015 Batch 21
niangao N/A Tags: Data Structures Nian Gao 2020 CNY (errorgorn) Batch 9
excombo N/A Tags: Dynamic Programming, Greedy EX Combo RSA Fun Contest (oolimry) Batch 16
radiance N/A Tags: Square Root Decomposition radiance RSA Fun Contest (oolimry) Batch 15
hole N/A Tags: Binary Search, Dynamic Programming hole Dunjudge Archive Batch 35
collectmushrooms6 N/A Tags: Dynamic Programming CollectMushrooms NOI 2018 Batch 178
special N/A Tags: Dynamic Programming special Dunjudge Archive Batch 36
history N/A Tags: Dynamic Programming history Dunjudge Archive Batch 64
commonsubstring N/A Tags: Dynamic Programming commonsubstring Dunjudge Archive Batch 72
monopoly N/A Tags: Dynamic Programming monopoly Dunjudge Archive Batch 58
buffet N/A Tags: Dynamic Programming buffet Dunjudge Archive Batch 172
mate N/A Tags: Graph Theory mate RSA Fun Contest (errorgorn) Batch 23
girlfriends N/A Tags: Explicitly Excluded (from IOI), Math girlfriends (EE) CP Singles Day Contest 2020 (errorgorn) Batch 3
floors N/A Tags: Data Structures floors Dunjudge Archive Batch 155
inequality N/A Tags: Data Structures, Divide and Conquer, Dynamic Programming, Line Sweep/Sliding Window inequality RI-HCI NOI Selection Test 2020 (0rang3) Batch 11
catnames N/A Tags: Math catnames RI/RJC NOI Selection Test 2016 Batch 21
pokeadd N/A Tags: Math pokeadd Dunjudge Archive Batch 36
chessislands N/A Tags: Graph Theory chessislands NOI 2010 Selection Test Batch 105
primefactorization N/A Tags: Math primefactorization Dunjudge Archive Batch 206
papaya N/A Tags: Graph Theory papaya Dunjudge Archive Batch 102
amicablecats N/A Tags: Math, Syntax amicablecats Dunjudge Archive Batch 120
gcd N/A Tags: Math, Syntax Greatest Common Divisor Classic Problem Batch 778
pokenumbers N/A Tags: Math pokenumbers Dunjudge Archive Batch 41
exponentiate N/A Tags: Math Exponentiate Classic Problem Batch 390
nprime N/A Tags: Brute Force, Math Prime NOI 2008 Batch 337
mrt N/A Tags: Graph Theory MRT Dunjudge Archive Batch 242
dinowalk N/A Tags: Graph Theory dinowalk Classic Problem Batch 135
prime N/A Tags: Math Prime Numbers Classic Problem Batch 559
housing N/A Tags: Dynamic Programming housing NOI 2008 Batch 107
coincombinations N/A Tags: Dynamic Programming coincombinations Classic Problem Batch 182
republiccity N/A Tags: Graph Theory Republic City RI Nov Sel 2020 (JustAWallaby) Batch 27
stonk N/A Tags: Greedy Stonks Dec Trg 2019 (Elementary) (shenxy13) Batch 161
firelord N/A Tags: Dynamic Programming firelord RI Nov Sel 2020 (jiahng) Batch 55
coinbag N/A Tags: Dynamic Programming coinbag Dunjudge Archive Batch 221
potatotree N/A Tags: Data Structures potatotree RI Nov Sel 2020 (syy) Batch 179
dyingpolynomial N/A Tags: Binary Search Dying Polynomial RI Nov Sel 2020 (JustAWallaby) Batch 126
exam N/A Tags: Syntax Exam RI Nov Sel 2020 (syy) Batch 1108
gecko N/A Tags: Dynamic Programming gecko NOI 2008 Batch 333
pascal N/A Tags: Dynamic Programming, Math pascal Dunjudge Archive Batch 211
flybot N/A Tags: Dynamic Programming flybot Dunjudge Archive Batch 277
strawberry N/A Tags: Data Structures, Dynamic Programming Speedy Strawberries 2020 CNY (shenxy13) Batch 16
divisibility N/A Tags: Dynamic Programming divisibility Dunjudge Archive Batch 58
lcs N/A Tags: Dynamic Programming lcs Classic problem Batch 273
luckynumbers N/A Tags: Adhoc, Dynamic Programming Lucky Numbers Educational Round 8 (Goodbye oolimry) (oolimry) Batch 7
cardtrick N/A Tags: Data Structures Card Trick Classic Problem (oolimry) Batch 53
addition N/A Tags: Syntax Addition of 2 numbers Classic problem Batch 1222
general N/A Tags: Graph Theory general Classic Problem Batch 196
lis N/A Tags: Binary Search, Dynamic Programming Longest Increasing Subsequence Classic problem Batch 263
deathray N/A Tags: Data Structures deathray Dec Trg 2019 (Elementary) (shenxy13) Batch 77
pigeonnests N/A Tags: Data Structures, Graph Theory, Trees pigeonnests RSA Fun Contest (shenxy13) Batch 38
leftright N/A Tags: Data Structures Left and Right Dec Trg 2019 (Elementary) (oolimry) Batch 134
greeting N/A Tags: Syntax CNY Greetings 2020 CNY (errorgorn) Batch 370
doubletrouble N/A Tags: Data Structures, Greedy Double Trouble Dec Trg 2019 (Elementary) (oolimry) Batch 30
frisbee N/A Tags: Data Structures, Dynamic Programming, Slope Trick Frisbee Training 2019 IOI Problem Setter Contest (0rang3) Batch 10
mincross_usaco N/A Tags: Data Structures mincross_usaco USACO 2017 Feb, Platinum Batch 3