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Problemset

893 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
1763DValid Bitonic Permutations
combinatoricsdpimplementationmathnumber theory
22002.4k
1763ENode Pairs
dpgraphsmathnumber theory
22002.3k
1762ADivide and Conquer
greedymathnumber theory
80020.7k
1762BMake Array Good
constructive algorithmsimplementationnumber theorysortings
110018.7k
1762DGCD Queries
constructive algorithmsinteractivenumber theory
21004.5k
1759DMake It Round
brute forcenumber theory
140021.4k
1759FAll Possible Digits
binary searchdata structuresgreedymathnumber theory
18004.6k
1758CAlmost All Multiples
greedynumber theory
140015.4k
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
1742DCoprime
brute forcegreedynumber theory
110036k
1740AFactorise N+M
constructive algorithmsnumber theory
80023.4k
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500182
1737FEla and Prime GCD
constructive algorithmsmathnumber theory
3300162
1736BPlaying with GCD
mathnumber theory
120020.6k
1734ERectangular Congruence
constructive algorithmsnumber theory
21003.3k
1732ABestie
brute forcecombinatoricsconstructive algorithmsimplementationmathnumber theory
100017.8k
1732D1Balance (Easy version)
brute forcedata structuresimplementationnumber theory
150010k
1732D2Balance (Hard version)
brute forcedata structuresnumber theory
24001.6k
1732ELocation
data structuresdpmathnumber theory
2800604
1731CEven Subarrays
bitmasksbrute forcehashingmathnumber theory
170012.5k
1731EGraph Cost
dpgreedymathnumber theory
20003.6k
1730EMaximums and Minimums
combinatoricsdata structuresdivide and conquernumber theory
2700815
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
1713DTournament Countdown
constructive algorithmsgreedyinteractivenumber theoryprobabilities
18006.3k
1712BWoeful Permutation
constructive algorithmsgreedynumber theory
80022.5k
1712E1LCM Sum (easy version)
binary searchbrute forcecombinatoricsmathnumber theorytwo pointers
23002.5k
1712E2LCM Sum (hard version)
brute forcedata structuresmathnumber theorytwo pointers
25001.7k
1707FBugaboo
bitmasksconstructive algorithmsdpnumber theory
3500186
1706D1Chopping Carrots (Easy Version)
binary searchbrute forceconstructive algorithmsgreedynumber theory
17007.8k
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
1630DFlipping Range
constructive algorithmsdpgreedynumber theory
24002.1k
1630EExpected Components
combinatoricsmathnumber theoryprobabilities
2900621
1630FMaking It Bipartite
flowsgraph matchingsgraphsnumber theory
3400984
1629BGCD Arrays
greedymathnumber theory
80025.5k
1627CNot Assigning
constructive algorithmsdfs and similarnumber theorytrees
140016.4k
1627DNot Adding
brute forcedpmathnumber theory
19009.5k
1626FA Random Code Problem
combinatoricsdpmathnumber theoryprobabilities
2800922
1622FQuadratic Set
constructive algorithmshashingmathnumber theory
2900942
1617BGCD Problem
brute forceconstructive algorithmsmathnumber theory
90027.2k
1617EChristmas Chocolates
dfs and similardpgamesgraphsimplementationmathnumber theoryshortest pathstrees
27001.1k
1614D1Divan and Kostomuksha (easy version)
dpnumber theory
21004.6k
1614D2Divan and Kostomuksha (hard version)
dpnumber theory
23002.8k
1612DX-Magic Pair
mathnumber theory
160010.4k
1610DNot Quite Lee
combinatoricsdpmathnumber theory
20003.1k
1609ADivide and Multiply
greedyimplementationmathnumber theory
90019.1k
1609CComplex Market Analysis
binary searchdpimplementationnumber theoryschedulestwo pointers
140010.5k
1608DDominoes
combinatoricsfftgraphsmathnumber theory
24001.6k
1606CBanknotes
greedynumber theory
140015.3k
1605AA.M. Deviation
mathnumber theory
80021.7k
1605EArray Equalizer
binary searchgreedyimplementationmathnumber theorysortingstwo pointers
24001.2k
1603ADi-visible Confusion
constructive algorithmsmathnumber theory
130017.9k
1603BModerate Modular Mode
constructive algorithmsmathnumber theory
160015.2k
1603CExtreme Extension
dpgreedymathnumber theory
23002.3k
1603DArtistic Partition
divide and conquerdpnumber theory
3000959
1601AArray Elimination
bitmasksgreedymathnumber theory
130022.3k
1593D1All are Same
mathnumber theory
110022.2k
1593D2Half of Same
brute forcemathnumber theory
19005.6k
1592DHemose in ICPC ?
binary searchdfs and similarimplementationinteractivemathnumber theorytrees
23002.7k
1583AWindblume Ode
mathnumber theory
80014.4k
1582GKuzya and Homework
data structuresnumber theory
2600743
1581ACQXYM Count Permutations
combinatoricsmathnumber theory
80014.3k
1579FArray Stabilization (AND version)
brute forcegraphsmathnumber theoryshortest paths
17005.4k
1575CCyclic Sum
data structuresfftnumber theory
3000290
1575GGCD Festival
mathnumber theory
2200868

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