How does a breadth-first search (BFS) differ from a depth-first search (DFS) in terms of traversal order in graphs?

  • BFS explores nodes level by level
  • BFS uses a queue
  • DFS explores nodes depth-wise
  • DFS uses a stack
Breadth-first search (BFS) explores nodes level by level starting from the root node, using a queue to keep track of nodes to be visited. On the other hand, depth-first search (DFS) explores nodes depth-wise, going as far as possible along a branch before backtracking, typically using a stack to keep track of nodes. This fundamental difference in traversal order distinguishes BFS from DFS in graph traversal.
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