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Problemset

30 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2127G2Inter Active (Hard Version)
binary searchbitmasksconstructive algorithmsgraphsimplementationinteractivemathprobabilities
3500126
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2097BBaggage Claim
combinatoricsdfs and similardpdsugraphsimplementationmathtrees
23002k
2078BVicious Labyrinth
constructive algorithmsgraphsgreedyimplementationmath
110018.6k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2003D2Turtle and a MEX Problem (Hard Version)
dfs and similardpgraphsgreedyimplementationmath
21004.7k
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1872FSelling a Menagerie
dfs and similardsugraphsimplementationmath
18007.7k
1868B1Candy Party (Easy Version)
bitmasksconstructive algorithmsgraphsgreedyimplementationmath
17008.4k
1718EImpressionism
constructive algorithmsgraphsimplementationmath
3500228
1704ECount Seconds
brute forceconstructive algorithmsdpgraphsimplementationmath
22002.7k
1698FEqual Reversal
constructive algorithmsgraphsimplementationmath
2800782
1697EColoring
brute forcecombinatoricsconstructive algorithmsdpgeometrygraphsgreedyimplementationmath
24001.5k
1670CWhere is the Pizza?
data structuresdfs and similardsugraphsimplementationmath
140011.1k
1617EChristmas Chocolates
dfs and similardpgamesgraphsimplementationmathnumber theoryshortest pathstrees
27001.1k
1487CMinimum Ties
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementationmath
150015.6k
1461EWater Level
brute forcegraphsgreedyimplementationmath
22002.2k
1266DDecreasing Debts
constructive algorithmsdata structuresgraphsgreedyimplementationmathtwo pointers
20003.9k
1200FGraph Traveler
brute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
23001.2k
1091ENew Year and the Acquaintance Estimation
binary searchdata structuresgraphsgreedyimplementationmathsortings
24001.1k
1062DFun with Integers
dfs and similargraphsimplementationmath
18004.2k
959EMahmoud and Ehab and the xor-MST
bitmasksdpgraphsimplementationmath
19003.8k
830EPerpetual Motion Machine
constructive algorithmsdpgraphsimplementationmathtrees
3100373
704CBlack Widow
dpgraphsimplementationmath
2900562
679DBear and Chase
brute forcedfs and similargraphsimplementationmathprobabilities
2900378
520BTwo Buttons
dfs and similargraphsgreedyimplementationmathshortest paths
140064.7k
441DValera and Swaps
constructive algorithmsdsugraphsimplementationmathstring suffix structures
21001.3k
388BFox and Minimal path
bitmasksconstructive algorithmsgraphsimplementationmath
19002.6k
94BFriends
graphsimplementationmath
13005.4k

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