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Problemset

62 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2184CHuge Pile
binary searchdfs and similardpgraphsmath
110023k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2145FLong Journey
dfs and similardivide and conquerdpgraphsgreedymathmatricesnumber theory
25001.1k
2135CBy the Assignment
binary searchbitmaskscombinatoricsdfs and similardsugraphsmath
20005.4k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2113FTwo Arrays
constructive algorithmsdfs and similargraphsmath
2500992
2112ETree Colorings
combinatoricsdfs and similardpgraphsmathnumber theorytrees
22003.5k
2097BBaggage Claim
combinatoricsdfs and similardpdsugraphsimplementationmathtrees
23002k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2040EControl of Randomness
combinatoricsdfs and similardpgraphsgreedymathprobabilitiestrees
21002.8k
2033ESakurako, Kosuke, and the Permutation
brute forcedata structuresdfs and similardsugraphsgreedymath
140014.5k
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
1968DPermutation Game
brute forcedfs and similargamesgraphsgreedymath
130017.7k
1929ESasha and the Happy Tree Cutting
bitmasksbrute forcedfs and similardpgraphsgreedymathtrees
23002.1k
1914G1Light Bulbs (Easy Version)
brute forcecombinatoricsdfs and similardpdsugraphsmathtrees
21002.5k
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1872FSelling a Menagerie
dfs and similardsugraphsimplementationmath
18007.7k
1863ESpeedrun
brute forcedfs and similardpgraphsgreedymathsortingstwo pointers
21003.3k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1835DDoctor's Brown Hypothesis
dfs and similargraphsmathnumber theory
2900707
1829FForever Winter
dfs and similargraphsmath
130022.4k
1790FTimofey and Black-White Tree
brute forcedfs and similardivide and conquergraphsgreedymathshortest pathstrees
21004.2k
1778FMaximizing Root
dfs and similardpgraphsmathnumber theorytrees
2600964
1775DFriendly Spiders
dfs and similargraphsmathnumber theoryshortest paths
18008.9k
1682EUnordered Swaps
constructive algorithmsdfs and similargraphsgreedymathsortingstrees
2700777
1670CWhere is the Pizza?
data structuresdfs and similardsugraphsimplementationmath
140011.1k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1617EChristmas Chocolates
dfs and similardpgamesgraphsimplementationmathnumber theoryshortest pathstrees
27001.1k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1553EPermutation Shift
brute forcecombinatoricsconstructive algorithmsdfs and similardsugraphsmath
21003.8k
1552DArray Differentiation
bitmasksbrute forceconstructive algorithmsdfs and similardpgraphsmath
18008k
1537FFigure Fixing
constructive algorithmsdfs and similardsugraphsgreedymath
22002.9k
1515GPhoenix and Odometers
dfs and similargraphsmathnumber theory
27001.4k
1495DBFS Trees
combinatoricsdfs and similargraphsmathshortest pathstrees
26001.6k
1487CMinimum Ties
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementationmath
150015.6k
1466FEuclid's nightmare
bitmasksdfs and similardsugraphsgreedymathsortings
21003.1k
1430GYet Another DAG Problem
bitmasksdfs and similardpflowsgraphsmath
2600949
1344CQuantifier Question
dfs and similardpgraphsmath
26002k
1327DInfinite Path
brute forcedfs and similargraphsmathnumber theory
22003.6k
1299DAround the World
bitmaskscombinatoricsdfs and similardpgraphsmathtrees
3000652
1270GSubset with Zero Sum
constructive algorithmsdfs and similargraphsmath
27003.1k
1236FAlice and the Cactus
dfs and similargraphsmathprobabilities
3000327
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1158CPermutation recovery
constructive algorithmsdata structuresdfs and similargraphsgreedymathsortings
21002.3k
1139CEdgy Trees
dfs and similardsugraphsmathtrees
150017.4k
1103CJohnny Solving
constructive algorithmsdfs and similargraphsmath
27001k
1062DFun with Integers
dfs and similargraphsimplementationmath
18004.2k
1039CNetwork Safety
dfs and similardsugraphsmathsortings
22001.5k
845GShortest Path Problem?
dfs and similargraphsmath
23002.2k
843CUpgrading Tree
constructive algorithmsdfs and similargraphsmathtrees
2600416
842CIlya And The Tree
dfs and similargraphsmathnumber theorytrees
20003.8k
711DDirected Roads
combinatoricsdfs and similargraphsmath
19005.1k
679DBear and Chase
brute forcedfs and similargraphsimplementationmathprobabilities
2900378
612ESquare Root of Permutation
combinatoricsconstructive algorithmsdfs and similargraphsmath
22002.1k
593DHappy Tree Party
data structuresdfs and similargraphsmathtrees
24001.5k
557DVitaly and Cycle
combinatoricsdfs and similargraphsmath
20002.4k
520BTwo Buttons
dfs and similargraphsgreedyimplementationmathshortest paths
140064.7k
500BNew Year Permutation
dfs and similardsugraphsgreedymathsortings
16009.7k
167EWizards and Bets
dfs and similargraphsmathmatrices
2900727
150BQuantity of Strings
combinatoricsdfs and similargraphsmath
16005.5k

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