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186 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2247AZero Sum
constructive algorithmsdpnumber theory
unrated17.7k
2244DYaroslav and Productivity
constructive algorithmsdpgreedymathnumber theory
unrated11.4k
2244EMasha and the Garland
data structuresdpgreedyimplementationmathnumber theorystrings
unrated7.6k
2241EFair and Square
combinatoricsdpgraphsmathnumber theorytrees
16005.8k
2238BCrimson Triples
dpmathnumber theory
90015.2k
2236F2Elections in Saransk (hard version)
combinatoricsdpmathnumber theory
2200958
2234DXOR, Expression and Two Binary Numbers
bitmasksdivide and conquerdpmathnumber theory
15008.6k
2233FShortest GCD Paths
dpgraphsmathnumber theoryshortest paths
2800385
2211EMinimum Path Cover
brute forcedpgreedyinteractivemathnumber theorytrees
25001k
2210AA Simple Sequence
constructive algorithmsdpgreedynumber theory
80024.5k
2210C2A Simple GCD Problem (Hard Version)
dpgreedynumber theory
21002.4k
2206IGrowth Factor
combinatoricsdpmathnumber theory
2900226
2194CSecret message
bitmasksbrute forcedpmathnumber theory
130011.6k
2193EProduct Queries
dpmathnumber theoryshortest paths
130016.2k
2189D1Little String (Easy Version)
combinatoricsdpgreedymathnumber theory
19004.2k
2189D2Little String (Hard Version)
combinatoricsdpgreedymathnumber theory
22002.1k
2183ELCM is Legendary Counting Master
dpmathnumber theory
21003k
2180CXOR-factorization
bitmasksconstructive algorithmsdpgreedynumber theory
19006.7k
2176FOmega Numbers
bitmaskscombinatoricsdpmathnumber theory
24001.6k
2145FLong Journey
dfs and similardivide and conquerdpgraphsgreedymathmatricesnumber theory
25001.1k
2135E2Beyond the Palindrome (Hard Version)
combinatoricsdpmathnumber theory
3500188
2118D1Red Light, Green Light (Easy version)
brute forcedfs and similardpgraphsimplementationnumber theory
17008.6k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2115AGellyfish and Flaming Peony
constructive algorithmsdpmathnumber theory
150016.5k
2114FSmall Operations
binary searchbrute forcedfs and similardpmathnumber theorysortings
20005.6k
2114GBuild an Array
brute forceconstructive algorithmsdpgreedymathnumber theory
22002.1k
2112ETree Colorings
combinatoricsdfs and similardpgraphsmathnumber theorytrees
22003.5k
2091GGleb and Boating
brute forceconstructive algorithmsdata structuresdpgraphsgreedymathnumber theoryshortest paths
23001.6k
2060FMultiplicative Arrays
combinatoricsdpnumber theory
22002.7k
2040FNumber of Cubes
combinatoricsdpmathnumber theory
2700469
2039F1Shohag Loves Counting (Easy Version)
combinatoricsdpmathnumber theory
2800527
2039F2Shohag Loves Counting (Hard Version)
dpnumber theory
3200299
2038KGrid Walk
brute forcedpgreedymathnumber theory
21001.8k
2037GNatlan Exploring
bitmaskscombinatoricsdata structuresdpmathnumber theory
20003.9k
2036FXORificator 3000
bitmasksdpnumber theorytwo pointers
19005.5k
2034HRayan vs. Rayaneh
brute forcedfs and similardpnumber theory
3300199
2020FCount Leaves
dpmathnumber theory
2900272
2013EPrefix GCD
brute forcedpgreedymathnumber theory
22004.4k
2002F1Court Blue (Easy Version)
brute forcedfs and similardpmathnumber theory
26001k
2002F2Court Blue (Hard Version)
brute forcedpmathnumber theory
2800597
1992FValuable Cards
brute forcedpgreedynumber theorytwo pointers
19007.7k
1991HPrime Split Game
bitmasksdpfftgamesmathnumber theory
3300580
1977CNikita and LCM
brute forcedata structuresdpgreedymathnumber theorysortings
19008.2k
1973FMaximum GCD Sum Queries
bitmasksbrute forcedpimplementationnumber theory
3100345
1957ECarousel of Combinations
brute forcecombinatoricsdpmathnumber theory
24001.7k
1955GGCD on a grid
brute forcedfs and similardpimplementationmathnumber theory
19006.1k
1950DProduct of Binary Decimals
brute forcedpimplementationnumber theory
110026.7k
1946EGirl Permutation
combinatoricsdpmathnumber theory
22003.2k
1928EModular Sequence
brute forceconstructive algorithmsdpgraphsgreedymathnumber theory
23002.3k
1926EVlad and an Odd Ordering
binary searchbitmasksdata structuresdpimplementationmathnumber theory
150015.2k
1917DYet Another Inversions Problem
combinatoricsdata structuresdpimplementationmathnumber theory
23002.1k
1916GOptimizations From Chelsu
divide and conquerdpnumber theorytrees
3500239
1900DSmall GCD
bitmasksbrute forcedpmathnumber theory
20005.6k
1896H1Cyclic Hamming (Easy Version)
brute forcedivide and conquerdpfftmathnumber theory
3400181
1896H2Cyclic Hamming (Hard Version)
brute forcedpfftmathnumber theory
3500164
1884DCounting Rhyme
dpmathnumber theory
21004.3k
1858BThe Walkway
brute forcedpgreedymathnumber theory
150013.2k
1845FSwimmers in the Pool
dpfftmathnumber theory
2800475
1815EBosco and Particle
dpmathnumber theorystrings
3100466
1811ELiving Sequence
binary searchdpmathnumber theory
150014.6k
1801FAnother n-dimensional chocolate bar
dpmathmeet-in-the-middlenumber theory
2700758
1798FGifts from Grandfather Ahmed
dpmathnumber theory
2500688
1794DCounting Factorizations
combinatoricsdivide and conquerdpmathnumber theory
19004.6k
1792EDivisors and Table
brute forcedfs and similardpnumber theory
24001.6k
1789EServal and Music Game
brute forcedpimplementationmathnumber theory
25001k
1780FThree Chairs
bitmasksbrute forcecombinatoricsdata structuresdpnumber theorysortings
23002k
1778FMaximizing Root
dfs and similardpgraphsmathnumber theorytrees
2600964
1770FKoxia and Sequence
bitmaskscombinatoricsdpmathnumber theory
31001k
1763DValid Bitonic Permutations
combinatoricsdpimplementationmathnumber theory
22002.4k
1763ENode Pairs
dpgraphsmathnumber theory
22002.3k
1749DCounting Arrays
combinatoricsdpmathnumber theory
19006.4k
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500182
1732ELocation
data structuresdpmathnumber theory
2800604
1731EGraph Cost
dpgreedymathnumber theory
20003.6k
1725EElectrical Efficiency
combinatoricsdata structuresdpmathnumber theorytrees
2500640
1716FBags with Balls
combinatoricsdpmathnumber theory
25001.5k
1707FBugaboo
bitmasksconstructive algorithmsdpnumber theory
3500186
1706D2Chopping Carrots (Hard Version)
brute forceconstructive algorithmsdata structuresdpgreedymathnumber theorytwo pointers
24002k
1699EThree Days Grace
data structuresdpgreedymathnumber theorytwo pointers
26001.4k
1673CPalindrome Basis
brute forcedpmathnumber theory
150018.9k
1658EGojou and Matrix Game
data structuresdpgameshashingimplementationmathnumber theorysortings
25001.3k
1647DMadoka and the Best School in Russia
constructive algorithmsdpmathnumber theory
19005.7k
1646EPower Board
brute forcedpmathnumber theory
22002.8k
1635DInfinite Set
bitmasksdpmathmatricesnumber theorystrings
18007.1k
1630DFlipping Range
constructive algorithmsdpgreedynumber theory
24002.1k
1627DNot Adding
brute forcedpmathnumber theory
19009.5k
1626FA Random Code Problem
combinatoricsdpmathnumber theoryprobabilities
2800922
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
1610DNot Quite Lee
combinatoricsdpmathnumber theory
20003.1k
1609CComplex Market Analysis
binary searchdpimplementationnumber theoryschedulestwo pointers
140010.5k
1603CExtreme Extension
dpgreedymathnumber theory
23002.3k
1603DArtistic Partition
divide and conquerdpnumber theory
3000959
1566HXor-quiz
constructive algorithmsdpinteractivemathnumber theory
3200177
1561D1Up the Strip (simplified version)
brute forcedata structuresdpmathnumber theory
17006.2k
1559EMocha and Stars
combinatoricsdpfftmathnumber theory
22002.8k
1558BUp the Strip
brute forcedpmathnumber theorytwo pointers
19005.3k
1554EYou
dfs and similardpmathnumber theory
26001.4k
1538FInteresting Function
binary searchdpmathnumber theory
150022.5k

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