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40 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2222GStatistics on Tree
binary searchbrute forcedfs and similardivide and conquergraphstrees
3100215
2196C1Interactive Graph (Simple Version)
binary searchcombinatoricsdfs and similardpgraphsinteractive
18003.9k
2184CHuge Pile
binary searchdfs and similardpgraphsmath
110023k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2135CBy the Assignment
binary searchbitmaskscombinatoricsdfs and similardsugraphsmath
20005.4k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2110DFewer Batteries
binary searchdfs and similardpgraphsgreedyhashing
17008.8k
2109FPenguin Steps
binary searchdfs and similarflowsgraphsshortest paths
3000284
2057E2Another Exercise on Graphs (hard version)
binary searchdfs and similardpdsugraphsshortest pathssortings
25002k
2041KTrophic Balance Species
binary searchbrute forcedfs and similargraphs
3100122
2022E1Billetes MX (Easy Version)
2-satbinary searchcombinatoricsconstructive algorithmsdfs and similardsugraphs
2500780
2002D2DFS Checker (Hard Version)
binary searchdata structuresdfs and similargraphshashingtrees
23002.9k
1967DLong Way to be Non-decreasing
binary searchdfs and similargraphsimplementationshortest pathstwo pointers
2800998
1920F1Smooth Sailing (Easy Version)
binary searchbrute forcedata structuresdfs and similardsugraphsshortest paths
25001.3k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1777EEdge Reverse
binary searchdfs and similargraphstrees
22002.4k
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1679DToss a Coin to Your Graph...
binary searchdfs and similardpgraphs
19006k
1651DNearest Excluded Points
binary searchdata structuresdfs and similargraphsshortest paths
19006.7k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1632E1Distance Tree (easy version)
binary searchdata structuresdfs and similargraphsshortest pathstrees
24001.4k
1625E2Cats on the Upgrade (hard version)
binary searchdata structuresdfs and similargraphstrees
2800705
1574DThe Strongest Build
binary searchbrute forcedata structuresdfs and similargraphsgreedyhashingimplementation
20004.9k
1558EDown Below
binary searchdfs and similargraphsgreedymeet-in-the-middleshortest paths
3000726
1436DBandit in a City
binary searchdfs and similargraphsgreedytrees
19006.6k
1419FRain of Fire
binary searchdata structuresdfs and similardsugraphsimplementation
2800632
1370F1The Hidden Pair (Easy Version)
binary searchdfs and similargraphsinteractiveshortest pathstrees
24001.8k
1370F2The Hidden Pair (Hard Version)
binary searchdfs and similargraphsinteractiveshortest pathstrees
27001.7k
1361CJohnny and Megan's Necklace
binary searchbitmasksconstructive algorithmsdfs and similardsugraphs
25002.1k
1307DCow and Fields
binary searchdata structuresdfs and similargraphsgreedyshortest pathssortings
19007.4k
1141GPrivatization of Roads in Treeland
binary searchconstructive algorithmsdfs and similargraphsgreedytrees
19002.6k
1100EAndrew and Taxi
binary searchdfs and similargraphs
22002.7k
1098CConstruct a tree
binary searchconstructive algorithmsdfs and similargraphsgreedytrees
24001.2k
1033EHidden Bipartite Graph
binary searchconstructive algorithmsdfs and similargraphsinteractive
2800823
1027FSession in BSU
binary searchdfs and similardsugraph matchingsgraphs
24002k
901CBipartite Segments
binary searchdata structuresdfs and similardsugraphstwo pointers
23001.3k
842ENikita and game
binary searchdfs and similardivide and conquergraphstrees
2800513
739BAlyona and a tree
binary searchdata structuresdfs and similargraphstrees
19005.2k
627DPreorder Test
binary searchdfs and similardpgraphsgreedytrees
26001k
570DTree Requests
binary searchbitmasksconstructive algorithmsdfs and similargraphstrees
22009.3k

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