Problem set
Graphs questions
57 matching · 3 easy · 42 medium · 12 hard
- 126Word Ladder IIHard
- 127Word LadderHard
- 130Surrounded RegionsMedium
- 133Clone GraphMedium
- 180Number of IslandsMedium
- 187Course ScheduleMedium
- 190Course Schedule IIMedium
- 234Graph Valid TreeMedium
- 239Alien DictionaryHard
- 246Find the CelebrityMedium
- 253Walls and GatesMedium
- 268Minimum Height TreesMedium
- 275Number of Connected Components in an Undirected GraphMedium
- 280Longest Increasing Path in a MatrixHard
- 281Reconstruct ItineraryHard
- 330Evaluate DivisionMedium
- 344Pacific Atlantic Water FlowMedium
- 352Minimum Genetic MutationMedium
- 383The MazeMedium
- 400MinesweeperMedium
- 40901 MatrixMedium
- 412Number of ProvincesMedium
- 457Redundant ConnectionMedium
- 461Number of Distinct IslandsMedium
- 462Max Area of IslandMedium
- 478Accounts MergeMedium
- 485Flood FillEasy
- 489Network Delay TimeMedium
- 492Open the LockMedium
- 493Cracking the SafeHard
- 500Sliding PuzzleHard
- 503Is Graph Bipartite?Medium
- 504Cheapest Flights Within K StopsMedium
- 508All Paths From Source to TargetMedium
- 510Bus RoutesHard
- 514Making A Large IslandHard
- 517Keys and RoomsMedium
- 531All Nodes Distance K in Binary TreeMedium
- 540Possible BipartitionMedium
- 550Snakes and LaddersMedium
- 557Shortest BridgeMedium
- 565Most Stones Removed with Same Row or ColumnMedium
- 582Satisfiability of Equality EquationsMedium
- 584Rotting OrangesMedium
- 585Find the Town JudgeEasy
- 597Shortest Path in Binary MatrixMedium
- 606Critical Connections in a NetworkHard
- 607Minimum Knight MovesMedium
- 614Shortest Path in a Grid with Obstacles EliminationHard
- 616Number of Operations to Make Network ConnectedMedium
- 618Jump Game IVHard
- 627Reorder Routes to Make All Paths Lead to the City ZeroMedium
- 631Path with Maximum ProbabilityMedium
- 634Min Cost to Connect All PointsMedium
- 635Path With Minimum EffortMedium
- 653Find if Path Exists in GraphEasy
- 658Find All Possible Recipes from Given SuppliesMedium