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Problemset

71 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2234EVlad, Misha and Two Arrays
brute forcecombinatoricsdfs and similardivide and conquermath
21001.9k
2196C1Interactive Graph (Simple Version)
binary searchcombinatoricsdfs and similardpgraphsinteractive
18003.9k
2196C2Interactive Graph (Hard Version)
combinatoricsdfs and similardpgraphsinteractive
20002.7k
2183D2Tree Coloring (Hard Version)
combinatoricsconstructive algorithmsdata structuresdfs and similargreedyimplementationtrees
21002.6k
2183FJumping Man
brute forcecombinatoricsdfs and similardptrees
25001.2k
2182GShort Garland
combinatoricsdata structuresdfs and similardptrees
2800383
2164F1Chain Prefix Rank (Easy Version)
combinatoricsdfs and similardpmathtrees
26001.3k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2157HKeygen 3
brute forcecombinatoricsconstructive algorithmsdfs and similarmath
3200238
2135CBy the Assignment
binary searchbitmaskscombinatoricsdfs and similardsugraphsmath
20005.4k
2127DRoot was Built by Love, Broken by Destiny
combinatoricsdfs and similargraphstrees
18007.5k
2117FWildflower
combinatoricsdfs and similartrees
18006.1k
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
2063F2Counting Is Not Fun (Hard Version)
combinatoricsdata structuresdfs and similardsugraphsimplementationtrees
2700951
2056ENested Segments
combinatoricsdfs and similardpdsumath
25001.1k
2040EControl of Randomness
combinatoricsdfs and similardpgraphsgreedymathprobabilitiestrees
21002.8k
2028EAlice's Adventures in the Rabbit Hole
combinatoricsdfs and similardpgamesgreedymathprobabilitiestrees
23002k
2022E1Billetes MX (Easy Version)
2-satbinary searchcombinatoricsconstructive algorithmsdfs and similardsugraphs
2500780
1976ESplittable Permutations
combinatoricsdata structuresdfs and similargreedymathtrees
25001.3k
1975FSet
bitmasksbrute forcecombinatoricsdfs and similardivide and conquerdpmath
26001.1k
1933GTurtle Magic: Royal Turtle Shell Pattern
bitmasksbrute forcecombinatoricsconstructive algorithmsdfs and similarmath
23001.2k
1931FChat Screenshots
combinatoricsdfs and similargraphs
170012.5k
1929FSasha and the Wedding Binary Search Tree
brute forcecombinatoricsdata structuresdfs and similarmathtrees
23002.4k
1914G1Light Bulbs (Easy Version)
brute forcecombinatoricsdfs and similardpdsugraphsmathtrees
21002.5k
1914G2Light Bulbs (Hard Version)
combinatoricsdata structuresdfs and similardpgraphshashing
23001.9k
1905EOne-X
combinatoricsdfs and similardpmathtrees
24001.3k
1893ECacti Symphony
combinatoricsdfs and similardpgraphs
3500342
1876DLexichromatography
combinatoricsdfs and similardsugraphstwo pointers
25001.1k
1843DApple Tree
combinatoricsdfs and similardpmathtrees
120022.3k
1824B2LuoTianyi and the Floating Islands (Hard Version)
combinatoricsdfs and similarmathprobabilitiestrees
23003.6k
1787DGame on Axis
combinatoricsdfs and similardsugraphsimplementation
19003.9k
1777DScore of a Tree
bitmaskscombinatoricsdfs and similardpmathprobabilitiestrees
19004.9k
1770EKoxia and Tree
combinatoricsdfs and similardpdsumathprobabilitiestrees
24001.6k
1758ETick, Tock
combinatoricsdfs and similardsugraphs
25001.1k
1707DPartial Virtual Trees
combinatoricsdfs and similardpmathtrees
3000997
1691FK-Set Tree
combinatoricsdfs and similardpmathtrees
25001.2k
1651ESum of Matchings
brute forcecombinatoricsconstructive algorithmsdfs and similargraph matchingsgreedymath
2600669
1598EStaircases
brute forcecombinatoricsdata structuresdfs and similardpimplementationmath
21002.5k
1574FOccurrences
combinatoricsdfs and similardpdsufftgraphs
2700786
1553EPermutation Shift
brute forcecombinatoricsconstructive algorithmsdfs and similardsugraphsmath
21003.8k
1551FEquidistant Vertices
brute forcecombinatoricsdfs and similardptrees
22002.2k
1527DMEX Tree
combinatoricsdfs and similarimplementationmathtrees
24002.3k
1499FDiameter Cuts
combinatoricsdfs and similardptrees
24001.7k
1495DBFS Trees
combinatoricsdfs and similargraphsmathshortest pathstrees
26001.6k
1486FPairs of Paths
combinatoricsdata structuresdfs and similardptrees
2600875
1454ENumber of Simple Paths
combinatoricsdfs and similargraphstrees
20006.8k
1402CStar Trek
*specialcombinatoricsdfs and similardpgamesgraphsmatricestrees
2600271
1299DAround the World
bitmaskscombinatoricsdfs and similardpgraphsmathtrees
3000652
1292CXenon's Attack on the Gangs
combinatoricsdfs and similardpgreedytrees
23002.4k
1276BTwo Fairs
combinatoricsdfs and similardsugraphs
19005.7k
1254ESend Tree to Charlie
combinatoricsdfs and similardsutrees
3300459
1178F1Short Colorful Strip
combinatoricsdfs and similardp
22002.3k
1172BNauuo and Circle
combinatoricsdfs and similardptrees
19004.4k
1118F2Tree Cutting (Hard Version)
combinatoricsdfs and similardptrees
2700688
960EAlternating Tree
combinatoricsdfs and similardivide and conquerdpprobabilitiestrees
23002.4k
859EDesk Disorder
combinatoricsdfs and similardsugraphstrees
21002.2k
804FFake bullions
combinatoricsdfs and similardpgraphsnumber theory
3400221
788BWeird journey
combinatoricsconstructive algorithmsdfs and similardsugraphs
21002.9k
711DDirected Roads
combinatoricsdfs and similargraphsmath
19005.1k
629EFamil Door and Roads
combinatoricsdata structuresdfs and similardpprobabilitiestrees
23001.2k
612ESquare Root of Permutation
combinatoricsconstructive algorithmsdfs and similargraphsmath
22002.1k
603BMoodular Arithmetic
combinatoricsdfs and similardsumathnumber theory
18002.7k
557DVitaly and Cycle
combinatoricsdfs and similargraphsmath
20002.4k
500DNew Year Santa Network
combinatoricsdfs and similargraphstrees
19003.3k
489DUnbearable Controversy of Being
brute forcecombinatoricsdfs and similargraphs
17007.1k
325EThe Red Button
combinatoricsdfs and similardsugraphsgreedy
2800998
288DPolo the Penguin and Trees
combinatoricsdfs and similartrees
2400858
217DBitonix' Patrol
bitmasksbrute forcecombinatoricsdfs and similarmath
2900282
150BQuantity of Strings
combinatoricsdfs and similargraphsmath
16005.5k

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