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46 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2228E2Amanojaku and Sequence (Hard Version)
combinatoricsdata structuresimplementationmath
2500307
2205ESimons and Dividing the Rhythm
combinatoricsdata structuresdpdsumathstring suffix structuresstrings
21001.8k
2204FSum of Fractions
binary searchbrute forcecombinatoricsdata structuresgreedymathnumber theorytwo pointers
22001.3k
2199HSum of MEX
*specialcombinatoricsdata structuresdpmath
2300100
2182F2Christmas Reindeer (hard version)
bitmasksbrute forcecombinatoricsdata structuresgreedymath
25001.1k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2077CBinary Subsequence Value Sum
combinatoricsdata structuresdpfftmathmatrices
23002.4k
2077EAnother Folding Strip
combinatoricsconstructive algorithmsdata structuresdivide and conquerdpgreedymath
2700627
2065HBro Thinks He's Him
combinatoricsdata structuresdivide and conquerdpmathmatrices
22002k
2064EMycraft Sand Sort
combinatoricsdata structuresdsugreedymathsortings
24001.5k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2038FAlternative Platforms
combinatoricsdata structuresfftmathsortings
2500492
2037GNatlan Exploring
bitmaskscombinatoricsdata structuresdpmathnumber theory
20003.9k
2030EMEXimize the Score
combinatoricsdata structuresdpgreedyimplementationmath
22002k
2000EPhotoshoot for Gorillas
combinatoricsdata structuresgreedymath
140016.5k
1996EDecode
combinatoricsdata structuresimplementationmath
160012.9k
1986G1Permutation Problem (Simple Version)
binary searchbrute forcecombinatoricsdata structuresmathnumber theory
22002k
1976ESplittable Permutations
combinatoricsdata structuresdfs and similargreedymathtrees
25001.3k
1967CFenwick Tree
bitmasksbrute forcecombinatoricsdata structuresdpmathtrees
23002.3k
1929FSasha and the Wedding Binary Search Tree
brute forcecombinatoricsdata structuresdfs and similarmathtrees
23002.4k
1928FDigital Patterns
combinatoricsdata structuresimplementationmath
2900479
1917DYet Another Inversions Problem
combinatoricsdata structuresdpimplementationmathnumber theory
23002.1k
1886DMonocarp and the Set
combinatoricsdata structuresmath
21004.3k
1850GThe Morning Star
combinatoricsdata structuresgeometryimplementationmathsortings
150015.8k
1844HMultiple of Three Cycles
combinatoricsdata structuresdpdsumath
3400305
1833FIra and Flamenco
combinatoricsconstructive algorithmsdata structuresimplementationmathsortingstwo pointers
170010.6k
1811G2Vlad and the Nice Paths (hard version)
binary searchcombinatoricsdata structuresdpmathtwo pointers
22002.2k
1743GAntifibonacci Cut
bitmaskscombinatoricsconstructive algorithmsdata structuresdphashingmath
3000381
1735DMeta-set
brute forcecombinatoricsdata structureshashingmath
17007.1k
1725EElectrical Efficiency
combinatoricsdata structuresdpmathnumber theorytrees
2500640
1715CMonoblock
combinatoricsdata structuresimplementationmath
170010.6k
1701FPoints
combinatoricsdata structuresimplementationmathmatrices
25001.2k
1648AWeird Sum
combinatoricsdata structuresgeometrymathmatricessortings
140019.8k
1644EExpand the Path
brute forcecombinatoricsdata structuresimplementationmath
19003.5k
1616HKeep XOR Low
bitmaskscombinatoricsdata structuresdivide and conquerdpmath
30001.4k
1598DTraining Session
combinatoricsdata structuresgeometryimplementationmath
170010.7k
1598EStaircases
brute forcecombinatoricsdata structuresdfs and similardpimplementationmath
21002.5k
1400DZigzags
brute forcecombinatoricsdata structuresmathtwo pointers
190011.5k
1276CBeautiful Rectangle
brute forcecombinatoricsconstructive algorithmsdata structuresgreedymath
23001.8k
1167FScalar Queries
combinatoricsdata structuresmathsortings
23001.9k
1151ENumber of Components
combinatoricsdata structuresdpmath
21003.8k
1037FMaximum Reduction
combinatoricsdata structuresmath
25001.3k
1007AReorder the Array
combinatoricsdata structuresmathsortingstwo pointers
130013.2k
981HK Paths
combinatoricsdata structuresdpfftmath
3100453
552DVanya and Triangles
brute forcecombinatoricsdata structuresgeometrymathsortings
19004.9k
283ECow Tennis Tournament
combinatoricsdata structuresmath
2800948

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