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Problemset

24 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2091GGleb and Boating
brute forceconstructive algorithmsdata structuresdpgraphsgreedymathnumber theoryshortest paths
23001.6k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2053I2Affectionate Arrays (Hard Version)
data structuresdpgraphsgreedymathshortest pathstwo pointers
3500110
2033ESakurako, Kosuke, and the Permutation
brute forcedata structuresdfs and similardsugraphsgreedymath
140014.5k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E2Digital Village (Hard Version)
data structuresdpdsugraphsmathtrees
25001.3k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1670CWhere is the Pizza?
data structuresdfs and similardsugraphsimplementationmath
140011.1k
1654EArithmetic Operations
brute forcedata structuresgraphsmath
23002.4k
1638CInversion Graph
data structuresdsugraphsmath
130016.1k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1548EGregor and the Two Painters
data structuresdivide and conquergraphsgreedymath
3400618
1284FNew Year and Social Network
data structuresgraph matchingsgraphsmathtrees
3200424
1266DDecreasing Debts
constructive algorithmsdata structuresgraphsgreedyimplementationmathtwo pointers
20003.9k
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1163EMagical Permutation
bitmasksbrute forceconstructive algorithmsdata structuresgraphsmath
24001.1k
1158CPermutation recovery
constructive algorithmsdata structuresdfs and similargraphsgreedymathsortings
21002.3k
1091ENew Year and the Acquaintance Estimation
binary searchdata structuresgraphsgreedyimplementationmathsortings
24001.1k
593DHappy Tree Party
data structuresdfs and similargraphsmathtrees
24001.5k

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