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Problemset

11,320 problems

✓#Name✎Rating↕Solved↕
1536AOmkar and Bad Story
brute forceconstructive algorithms
80020.8k
1536BPrinzessin der Verurteilung
brute forceconstructive algorithmsstrings
120026.3k
1536CDiluc and Kaeya
data structuresdphashingnumber theory
150016.3k
1536DOmkar and Medians
data structuresgreedyimplementation
20005.2k
1536EOmkar and Forest
combinatoricsgraphsmathshortest paths
23002.8k
1536FOmkar and Akmar
chinese remainder theoremcombinatoricsconstructive algorithmsfftgamesgeometrymathmeet-in-the-middlestring suffix structures
26001.2k
1535AFair Playoff
brute forceimplementation
80058.1k
1535BArray Reodering
brute forcegreedymathnumber theorysortings
90034.5k
1535CUnstable String
binary searchdpgreedyimplementationstringstwo pointers
140017.9k
1535DPlayoff Tournament
data structuresdfs and similardpimplementationtrees
18008.6k
1535EGold Transfer
binary searchdata structuresdpgreedyinteractivetrees
22003.1k
1535FString Distance
binary searchbrute forcedata structureshashingimplementationstrings
3000702
1534AColour the Flag
brute forceimplementation
80013.3k
1534BHistogram Ugliness
greedyimplementationmath
110013k
1534CLittle Alawn's Puzzle
combinatoricsdpdsugraphsmath
130014k
1534DLost Tree
constructive algorithmsinteractivetrees
18006.9k
1534ELost Array
graphsgreedyinteractiveshortest paths
23002.1k
1534F1Falling Sand (Easy Version)
dfs and similargraphsgreedy
25001.5k
1534F2Falling Sand (Hard Version)
dfs and similardpgraphsgreedy
3000790
1534GA New Beginning
data structuresdpgeometrysortings
33001k
1534HLost Nodes
constructive algorithmsdpgraphsinteractivesortingstrees
3500314
1533ATravel to Bertown
*specialimplementationmath
unrated1.1k
1533BNearest Point Function
*specialimplementation
unrated817
1533CSweets
*specialdata structuresimplementation
unrated484
1533DString Searching
*specialhashing
unrated514
1533EChess Team Forming
*specialbinary searchdata structuresgreedy
unrated285
1533FBinary String Partition
*specialbinary searchgreedy
unrated224
1533GBiome Map
*specialconstructive algorithmsdfs and similargraphs
unrated98
1533HSubmatrices
*specialbitmasksdata structuresdp
unrated92
1533IExcursions
*specialconstructive algorithmsdfs and similarflowsgraph matchingsgraphs
unrated61
1533JPawns
*special
unrated52
1532AA+B (Trial Problem)
*special
unrated1.2k
1532BFrog Jumping
*specialmath
unrated830
1532CUniform String
*specialimplementation
unrated642
1532DTeams Forming
*specialsortings
unrated591
1532EGood Array
*special
unrated396
1532FPrefixes and Suffixes
*specialstrings
unrated220
1531AЗингер | color
*specialimplementation
unrated1.5k
1531B1Мониторинг
*special
unrated1.2k
1531B2Мониторинг
*special
unrated797
1531CСимметричный амфитеатр
*specialconstructive algorithmsdp
unrated660
1531DРедактируем Зингер | color
*special
unrated371
1531E1Сортировка слиянием
*special
unrated363
1531E2Сортировка слиянием
*specialbrute force
unrated341
1531E3Сортировка слиянием
*specialbinary search
unrated272
1530ABinary Decimal
greedymath
80022k
1530BPutting Plates
constructive algorithmsimplementation
80016.3k
1530CPursuit
binary searchbrute forcegreedysortings
120015.7k
1530DSecret Santa
constructive algorithmsflowsgraphsgreedymath
160010.2k
1530EMinimax
constructive algorithmsgreedystrings
21003.4k
1530FBingo
bitmaskscombinatoricsdpmathprobabilities
26001.2k
1530GWhat a Reversal
constructive algorithms
3300188
1530HTuring's Award
data structuresdp
3400207
1529AEshag Loves Big Arrays
constructive algorithmsgreedymath
80031.1k
1529BSifid and Strange Subsequences
greedymathsortings
110021.3k
1528AParsa's Humongous Tree
dfs and similardivide and conquerdpgreedytrees
160019.8k
1528BKavi on Pairing Duty
combinatoricsdpmath
170010.9k
1528CTrees of Tranquillity
data structuresdfs and similargreedytrees
23003k
1528DIt's a bird! No, it's a plane! No, it's AaParsa!
constructive algorithmsgraphsshortest paths
25001.8k
1528EMashtali and Hagh Trees
combinatoricsdptrees
2900641
1528FAmShZ Farm
combinatoricsfftmath
3300544
1527AAnd Then There Were K
bitmasks
80042.8k
1527B1Palindrome Game (easy version)
constructive algorithmsgames
120036.1k
1527B2Palindrome Game (hard version)
constructive algorithmsgames
19008.8k
1527CSequence Pair Weight
hashingimplementationmath
160015.3k
1527DMEX Tree
combinatoricsdfs and similarimplementationmathtrees
24002.3k
1527EPartition Game
binary searchdata structuresdivide and conquerdp
25003.1k
1526AMean Inequality
constructive algorithmssortings
80025.1k
1526BI Hate 1111
dpmathnumber theory
140037.6k
1526C1Potions (Easy Version)
brute forcedata structuresdpgreedy
150027.9k
1526C2Potions (Hard Version)
data structuresgreedy
160031.7k
1526DKill Anton
brute forceconstructive algorithmsdata structuresmathstrings
22002.8k
1526EOolimry and Suffix Array
combinatoricsconstructive algorithmsmath
24001.6k
1526FMedian Queries
constructive algorithmsinteractiveprobabilities
3000400
1525APotion-making
mathnumber theory
80027.1k
1525BPermutation Sort
constructive algorithmsgreedy
90026.8k
1525CRobot Collisions
data structuresgreedyimplementationsortings
20005k
1525DArmchairs
dpflowsgraph matchingsgreedy
180011k
1525EAssimilation IV
combinatoricsdpmathprobabilitiestwo pointers
21002.5k
1525FGoblins And Gnomes
brute forcedpflowsgraph matchings
2800452
1523AGame of Life
implementation
80014.1k
1523BLord of the Values
constructive algorithms
110012.5k
1523CCompression and Expansion
brute forcedata structuresgreedyimplementationtrees
16009.2k
1523DLove-Hate
bitmasksbrute forcedpprobabilities
24002.5k
1523ECrypto Lights
combinatoricsdpmathprobabilities
26002k
1523FFavorite Game
bitmasksdp
3300547
1523GTry Booking
data structuresdivide and conquer
3200555
1523HHopping Around the Array
data structuresdp
3500464
1521ANastia and Nearly Good Numbers
constructive algorithmsmathnumber theory
100042.6k
1521BNastia and a Good Array
constructive algorithmsmathnumber theory
130023.1k
1521CNastia and a Hidden Permutation
constructive algorithmsinteractive
20004.7k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1521ENastia and a Beautiful Matrix
binary searchconstructive algorithmsdpgreedy
2700768
1520ADo Not Be Distracted!
brute forceimplementation
80059.3k
1520BOrdinary Numbers
brute forcemathnumber theory
80050.4k
1520CNot Adjacent Matrix
constructive algorithms
100034.9k
1520DSame Differences
data structureshashingmath
120068.2k
1520EArranging The Sheep
greedymath
140029.9k
1520F1Guess the K-th Zero (Easy version)
binary searchinteractive
160014.8k
1520F2Guess the K-th Zero (Hard version)
binary searchconstructive algorithmsdata structuresinteractive
22003.4k

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