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Problemset

667 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
1845FSwimmers in the Pool
dpfftmathnumber theory
2800475
1844DRow Major
constructive algorithmsgreedymathnumber theorystrings
140014k
1844GTree Weights
bitmasksconstructive algorithmsdata structuresdfs and similarimplementationmathmatricesnumber theorytrees
30001.2k
1838CNo Prime Differences
constructive algorithmsmathnumber theory
140017.6k
1835DDoctor's Brown Hypothesis
dfs and similargraphsmathnumber theory
2900707
1834EMEX of LCM
binary searchdata structuresimplementationmathnumber theory
23002.9k
1830CHyperregular Bracket Strings
combinatoricsgreedyhashingmathnumber theorysortings
24002.3k
1828BPermutation Swap
mathnumber theory
90042k
1826BLunatic Never Content
mathnumber theory
110030k
1826CDreaming of Freedom
greedymathnumber theory
130015.9k
1823CStrongly Composite
greedymathnumber theory
130014k
1822G1Magic Triples (Easy Version)
brute forcedata structuresmathnumber theory
17009.9k
1822G2Magic Triples (Hard Version)
brute forcedata structuresmathnumber theory
22003.1k
1815EBosco and Particle
dpmathnumber theorystrings
3100466
1812DTrivial Conjecture
*specialconstructive algorithmsmathnumber theory
unrated4.9k
1811ELiving Sequence
binary searchdpmathnumber theory
150014.6k
1810BCandies
constructive algorithmsmathnumber theory
80019k
1806F1GCD Master (easy version)
greedymathnumber theorysortings
2900483
1804CPull Your Luck
brute forcegreedymathnumber theory
150014k
1801FAnother n-dimensional chocolate bar
dpmathmeet-in-the-middlenumber theory
2700758
1798CCandy Store
greedymathnumber theory
17009.6k
1798FGifts from Grandfather Ahmed
dpmathnumber theory
2500688
1797ELi Hua and Array
brute forcedata structuresdsumathnumber theorytwo pointers
23001.7k
1796FStrange Triples
brute forcemathnumber theory
2900257
1794DCounting Factorizations
combinatoricsdivide and conquerdpmathnumber theory
19004.6k
1789AServal and Mocha's Array
brute forcemathnumber theory
80036.2k
1789EServal and Music Game
brute forcedpimplementationmathnumber theory
25001k
1787BNumber Factorization
greedymathnumber theory
110015.2k
1783EGame of the Year
brute forcedata structuresmathnumber theory
23002.5k
1781DMany Perfect Squares
brute forcemathnumber theory
18006.4k
1780BGCD Partition
brute forcegreedymathnumber theory
110027.4k
1780EJosuke and Complete Graph
binary searchbrute forcedata structuresmathnumber theory
24001.8k
1780GDelicious Dessert
binary searchdsuhashingmathnumber theorystring suffix structures
24001k
1778FMaximizing Root
dfs and similardpgraphsmathnumber theorytrees
2600964
1777CQuiz Master
binary searchmathnumber theorysortingstwo pointers
170012.9k
1775DFriendly Spiders
dfs and similargraphsmathnumber theoryshortest paths
18008.9k
1771CHossam and Trainees
greedymathnumber theory
160011.9k
1770CKoxia and Number Theory
brute forcechinese remainder theoremmathnumber theory
17009.8k
1770FKoxia and Sequence
bitmaskscombinatoricsdpmathnumber theory
31001k
1768AGreatest Convex
greedymathnumber theory
80031.2k
1768EPartial Sorting
combinatoricsmathnumber theory
23002.4k
1766DLucky Chains
mathnumber theory
160010.9k
1765MMinimum LCM
mathnumber theory
100034.6k
1764BDoremy's Perfect Math Class
mathnumber theory
90018.1k
1763DValid Bitonic Permutations
combinatoricsdpimplementationmathnumber theory
22002.4k
1763ENode Pairs
dpgraphsmathnumber theory
22002.3k
1762ADivide and Conquer
greedymathnumber theory
80020.7k
1759FAll Possible Digits
binary searchdata structuresgreedymathnumber theory
18004.6k
1753BFactorial Divisibility
mathnumber theory
160015.2k
1750DCount GCD
combinatoricsmathnumber theory
18007.6k
1749DCounting Arrays
combinatoricsdpmathnumber theory
19006.4k
1748DConstructOR
bitmaskschinese remainder theoremcombinatoricsconstructive algorithmsmathnumber theory
21003.3k
1744E1Divisible Numbers (easy version)
brute forcemathnumber theory
150013k
1744E2Divisible Numbers (hard version)
brute forcemathnumber theory
19007k
1737FEla and Prime GCD
constructive algorithmsmathnumber theory
3300162
1736BPlaying with GCD
mathnumber theory
120020.6k
1732ABestie
brute forcecombinatoricsconstructive algorithmsimplementationmathnumber theory
100017.8k
1732ELocation
data structuresdpmathnumber theory
2800604
1731CEven Subarrays
bitmasksbrute forcehashingmathnumber theory
170012.5k
1731EGraph Cost
dpgreedymathnumber theory
20003.6k
1728ERed-Black Pepper
brute forcedata structuresgreedymathnumber theory
23002.1k
1725EElectrical Efficiency
combinatoricsdata structuresdpmathnumber theorytrees
2500640
1720ABurenka Plays with Fractions
mathnumber theory
90024.6k
1718BFibonacci Strings
greedyimplementationmathnumber theory
20003.5k
1718CTonya and Burenka-179
data structuresgreedymathnumber theory
24001.9k
1718FBurenka, an Array and Queries
data structuresmathnumber theory
3300244
1717AMadoka and Strange Thoughts
mathnumber theory
80021.1k
1717EMadoka and The Best University
mathnumber theory
22003.6k
1716FBags with Balls
combinatoricsdpmathnumber theory
25001.5k
1714EAdd Modulo 10
brute forcemathnumber theory
140024.6k
1712E1LCM Sum (easy version)
binary searchbrute forcecombinatoricsmathnumber theorytwo pointers
23002.5k
1712E2LCM Sum (hard version)
brute forcedata structuresmathnumber theorytwo pointers
25001.7k
1706D2Chopping Carrots (Hard Version)
brute forceconstructive algorithmsdata structuresdpgreedymathnumber theorytwo pointers
24002k
1702FEquate Multisets
constructive algorithmsdata structuresgreedymathnumber theory
17009.6k
1699EThree Days Grace
data structuresdpgreedymathnumber theorytwo pointers
26001.4k
1698GLong Binary String
bitmasksmathmatricesmeet-in-the-middlenumber theory
2900397
1690FShifting String
graphsmathnumber theorystrings
17009.2k
1687EBecome Big For Me
combinatoricsconstructive algorithmsgreedymathnumber theory
3500323
1684GEuclid Guess
constructive algorithmsflowsgraph matchingsmathnumber theory
2800818
1679AAvtoBus
brute forcegreedymathnumber theory
90043k
1673CPalindrome Basis
brute forcedpmathnumber theory
150018.9k
1673DLost Arithmetic Progression
combinatoricsmathnumber theory
19003.6k
1673EPower or XOR?
bitmaskscombinatoricsmathnumber theory
2500850
1665DGCD Guess
bitmaskschinese remainder theoremconstructive algorithmsgamesinteractivemathnumber theory
20004.8k
1658BMarin and Anti-coprime Permutation
combinatoricsmathnumber theory
80019.6k
1658EGojou and Matrix Game
data structuresdpgameshashingimplementationmathnumber theorysortings
25001.3k
1656CMake Equal With Mod
constructive algorithmsmathnumber theorysortings
120021.2k
1656DK-good
constructive algorithmsmathnumber theory
19007.6k
1656HEqual LCM Subsets
data structuresmathnumber theory
3200836
1654DPotion Brewing Class
dfs and similarmathnumber theorytrees
21003.1k
1647DMadoka and the Best School in Russia
constructive algorithmsdpmathnumber theory
19005.7k
1646EPower Board
brute forcedpmathnumber theory
22002.8k
1644FBasis
combinatoricsfftmathnumber theory
2900511
1635DInfinite Set
bitmasksdpmathmatricesnumber theorystrings
18007.1k
1632DNew Year Concert
binary searchdata structuresgreedymathnumber theorytwo pointers
20005.4k
1630EExpected Components
combinatoricsmathnumber theoryprobabilities
2900621
1629BGCD Arrays
greedymathnumber theory
80025.5k
1627DNot Adding
brute forcedpmathnumber theory
19009.5k
1626FA Random Code Problem
combinatoricsdpmathnumber theoryprobabilities
2800922
1622FQuadratic Set
constructive algorithmshashingmathnumber theory
2900942

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