Review: BFS Problems

BFS is extremely useful. You may not imagine.

Here we try to compile a list of inspiring BFS problems.



  1. BFS in string: Letter Case Permutation
  2. Distance with power: Cheapest Flights Within K Stops
  3. Revisit seen nodes: Knight Probability in Chessboard
  4. BFS with heap: Movie Network
  5. For seen set use array, instead of a set: Is Graph Bipartite
  6. Scan from target to original: Reach a Number
  7. BFS with memorization: Target Sum

See all bfs problems: #bfs

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