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Problemset

39 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2244CStepan and Permutation
constructive algorithmsdfs and similardsugreedymathnumber theorysortings
unrated15.6k
2219CColoring a Red Black Tree
dfs and similardpgreedymathprobabilitiestrees
23001.4k
2157GIsaac's Queries
bitmasksbrute forceconstructive algorithmsdfs and similardivide and conquerdpgreedyinteractivemathprobabilities
2800672
2145FLong Journey
dfs and similardivide and conquerdpgraphsgreedymathmatricesnumber theory
25001.1k
2106FGoblin
dfs and similardpdsugreedymath
19004.5k
2086EZebra-like Numbers
bitmasksbrute forceconstructive algorithmsdfs and similardpgreedymath
24001.7k
2067CDevyatkino
brute forcedfs and similargreedymath
150013k
2040EControl of Randomness
combinatoricsdfs and similardpgraphsgreedymathprobabilitiestrees
21002.8k
2033ESakurako, Kosuke, and the Permutation
brute forcedata structuresdfs and similardsugraphsgreedymath
140014.5k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2028EAlice's Adventures in the Rabbit Hole
combinatoricsdfs and similardpgamesgreedymathprobabilitiestrees
23002k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
2003D2Turtle and a MEX Problem (Hard Version)
dfs and similardpgraphsgreedyimplementationmath
21004.7k
1976ESplittable Permutations
combinatoricsdata structuresdfs and similargreedymathtrees
25001.3k
1968DPermutation Game
brute forcedfs and similargamesgraphsgreedymath
130017.7k
1929ESasha and the Happy Tree Cutting
bitmasksbrute forcedfs and similardpgraphsgreedymathtrees
23002.1k
1863ESpeedrun
brute forcedfs and similardpgraphsgreedymathsortingstwo pointers
21003.3k
1856E2PermuTree (hard version)
bitmasksdfs and similardpfftgreedyimplementationmathtrees
27001.8k
1847FThe Boss's Identity
binary searchbitmasksdata structuresdfs and similargreedymathsortings
25001.1k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1799ECity Union
constructive algorithmsdfs and similardsugeometrygreedyimplementationmath
23001.4k
1790FTimofey and Black-White Tree
brute forcedfs and similardivide and conquergraphsgreedymathshortest pathstrees
21004.2k
1682EUnordered Swaps
constructive algorithmsdfs and similargraphsgreedymathsortingstrees
2700777
1651ESum of Matchings
brute forcecombinatoricsconstructive algorithmsdfs and similargraph matchingsgreedymath
2600669
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1593BMake it Divisible by 25
dfs and similardpgreedymath
90043.1k
1537FFigure Fixing
constructive algorithmsdfs and similardsugraphsgreedymath
22002.9k
1487CMinimum Ties
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementationmath
150015.6k
1466FEuclid's nightmare
bitmasksdfs and similardsugraphsgreedymathsortings
21003.1k
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1388CUncle Bogdan and Country Happiness
dfs and similargreedymathtrees
180010.5k
1338BEdge Weight Assignment
bitmasksconstructive algorithmsdfs and similargreedymathtrees
18009.7k
1158CPermutation recovery
constructive algorithmsdata structuresdfs and similargraphsgreedymathsortings
21002.3k
920CSwap Adjacent Elements
dfs and similargreedymathsortingstwo pointers
140010.1k
884CBertown Subway
dfs and similargreedymath
15005.2k
520BTwo Buttons
dfs and similargraphsgreedyimplementationmathshortest paths
140064.7k
500BNew Year Permutation
dfs and similardsugraphsgreedymathsortings
16009.7k

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