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Problemset

11,320 problems

✓#Name✎Rating↕Solved↕
1772FCopy of a Copy of a Copy
constructive algorithmsdfs and similargraphsimplementationsortings
20002.9k
1772GGaining Rating
binary searchgreedyimplementationmathsortingstwo pointers
22001.6k
1771AHossam and Combinatorics
combinatoricsmathsortings
90025.6k
1771BHossam and Friends
binary searchconstructive algorithmsdptwo pointers
140022.5k
1771CHossam and Trainees
greedymathnumber theory
160012k
1771DHossam and (sub-)palindromic tree
brute forcedata structuresdfs and similardpstringstrees
21003.3k
1771EHossam and a Letter
brute forcedpimplementationtwo pointers
2500852
1771FHossam and Range Minimum Query
binary searchbitmasksdata structureshashingprobabilitiesstringstrees
25001.7k
1770AKoxia and Whiteboards
brute forcegreedy
100025.4k
1770BKoxia and Permutation
constructive algorithms
100021k
1770CKoxia and Number Theory
brute forcechinese remainder theoremmathnumber theory
17009.8k
1770DKoxia and Game
constructive algorithmsdata structuresdfs and similardsuflowsgamesgraph matchingsgraphsimplementation
20004.5k
1770EKoxia and Tree
combinatoricsdfs and similardpdsumathprobabilitiestrees
24001.6k
1770FKoxia and Sequence
bitmaskscombinatoricsdpmathnumber theory
31001k
1770GKoxia and Bracket
divide and conquerfftmath
3400196
1770HKoxia, Mahiru and Winter Festival
constructive algorithms
3500170
1769AУзкая дорога
*specialmath
8002.2k
1769B1Копирование файлов I
*specialbrute forceimplementationmath
10001.6k
1769B2Копирование файлов II
*specialbinary searchbrute forcemath
1400960
1769C1Подкрутка I
*specialbrute forcedpgreedy
12001.1k
1769C2Подкрутка II
*specialdp
13001.1k
1769D1Игра в Девятку I
*specialbrute forcedp
1800424
1769D2Игра в Девятку II
*specialbrute force
2200211
1769D3Игра в Девятку III
*specialbrute force
2300130
1768AGreatest Convex
greedymathnumber theory
80031.2k
1768BQuick Sort
greedymath
90025.9k
1768CElemental Decompress
constructive algorithmsgreedyimplementationsortings
130015.9k
1768DLucky Permutation
constructive algorithmsdfs and similargraphsgreedy
18009.3k
1768EPartial Sorting
combinatoricsmathnumber theory
23002.4k
1768FWonderful Jump
dpgreedy
29001.3k
1767ACut the Triangle
implementation
80021.6k
1767BBlock Towers
data structuresgreedysortings
80022.2k
1767CCount Binary Strings
data structuresdp
21003.2k
1767DPlayoff
combinatoricsconstructive algorithmsdpgreedymath
150011.3k
1767EAlgebra Flash
bitmasksbrute forcedpgraphsmathmeet-in-the-middletrees
25001.3k
1767FTwo Subtrees
data structurestrees
3100445
1766AExtremely Round
brute forceimplementation
80050k
1766BNotepad#
implementation
100024.1k
1766CHamiltonian Wall
dpimplementation
130015.1k
1766DLucky Chains
mathnumber theory
160011k
1766EDecomposition
binary searchbrute forcedata structuresdivide and conquerdptwo pointers
23001.5k
1766FMCF
flows
2800384
1765AAccess Levels
bitmasksdsuflowsgraph matchings
2400881
1765BBroken Keyboard
greedy
8009.9k
1765CCard Guessing
combinatoricsdpprobabilities
2600595
1765DWatch the Videos
binary searchconstructive algorithmstwo pointers
17004.9k
1765EExchange
brute forcemath
100012k
1765FChemistry Lab
dpgeometryprobabilities
2200793
1765GGuess the String
constructive algorithmsinteractiveprobabilities
2600488
1765HHospital Queue
binary searchgraphsgreedyimplementation
22001.6k
1765IInfinite Chess
implementationshortest paths
2800299
1765JHero to Zero
graph matchingsmath
2900347
1765KTorus Path
greedymath
15006.9k
1765LProject Manager
brute forcedata structuresimplementation
2400696
1765MMinimum LCM
mathnumber theory
100034.6k
1765NNumber Reduction
greedy
15006.1k
1764ADoremy's Paint
greedy
80017.5k
1764BDoremy's Perfect Math Class
mathnumber theory
90018.1k
1764CDoremy's City Construction
graphsgreedy
140010.5k
1764DDoremy's Pegging Game
combinatoricsdpmath
20003.2k
1764EDoremy's Number Line
dpgreedysortings
24001.5k
1764FDoremy's Experimental Tree
brute forceconstructive algorithmsdfs and similardsusortingstrees
25001.3k
1764G1Doremy's Perfect DS Class (Easy Version)
binary searchinteractive
2900799
1764G2Doremy's Perfect DS Class (Medium Version)
binary searchinteractive
3000728
1764G3Doremy's Perfect DS Class (Hard Version)
binary searchinteractive
3300622
1764HDoremy's Paint 2
data structures
3400280
1763AAbsolute Maximization
bitmasksconstructive algorithmsgreedymath
80017.1k
1763BIncinerate
binary searchbrute forcedata structuresimplementationmathsortings
120016.6k
1763CAnother Array Problem
brute forceconstructive algorithmsgreedy
20008k
1763DValid Bitonic Permutations
combinatoricsdpimplementationmathnumber theory
22002.4k
1763ENode Pairs
dpgraphsmathnumber theory
22002.3k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1762ADivide and Conquer
greedymathnumber theory
80020.7k
1762BMake Array Good
constructive algorithmsimplementationnumber theorysortings
110018.7k
1762CBinary Strings are Fun
combinatoricsmath
140010.2k
1762DGCD Queries
constructive algorithmsinteractivenumber theory
21004.5k
1762ETree Sum
combinatoricsmathtrees
2600901
1762FGood Pairs
binary searchdata structuresdp
2600917
1762GUnequal Adjacent Elements
constructive algorithmssortings
3100158
1761ATwo Permutations
brute forceconstructive algorithms
80040.2k
1761BElimination of a Ring
constructive algorithmsgreedyimplementation
100014.8k
1761CSet Construction
constructive algorithmsdfs and similargraphsgreedy
140010.8k
1761DCarry Bit
combinatoricsmath
21002.9k
1761EMake It Connected
binary searchbrute forceconstructive algorithmsdsugraphsgreedymatricestreestwo pointers
24002.2k
1761F1Anti-median (Easy Version)
dpmath
3100306
1761F2Anti-median (Hard Version)
combinatoricsdpmath
3500109
1761GCentroid Guess
interactiveprobabilitiestrees
3500156
1760AMedium Number
implementationsortings
80082k
1760BAtilla's Favorite Problem
greedyimplementationstrings
80054.3k
1760CAdvantage
data structuresimplementationsortings
80044.7k
1760DChallenging Valleys
implementationtwo pointers
100027.4k
1760EBinary Inversions
data structuresgreedymath
110023.2k
1760FQuests
binary searchgreedysortings
150015.4k
1760GSlavicG's Favorite Problem
bitmasksdfs and similargraphs
170010.7k
1759AYes-Yes?
implementationstrings
80032.9k
1759BLost Permutation
math
80023.7k
1759CThermostat
greedymathshortest paths
110019.6k
1759DMake It Round
brute forcenumber theory
140021.4k
1759EThe Humanoid
brute forcedpsortings
150012.7k
1759FAll Possible Digits
binary searchdata structuresgreedymathnumber theory
18004.6k

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