数据结构深度优先和广度优先搜索算法
时间: 2024-05-08 10:12:31 浏览: 120
深度优先搜索(Depth-First Search,DFS)和广度优先搜索(Breadth-First Search,BFS)是两种常用的图遍历算法,用于在图或树中搜索特定节点或遍历所有节点。
深度优先搜索(DFS):
DFS是一种递归的搜索算法,它从起始节点开始,沿着一条路径尽可能深入地搜索,直到达到最深的节点或无法继续前进为止,然后回溯到上一个节点,继续搜索其他路径。DFS通常使用栈来实现递归调用。
广度优先搜索(BFS):
BFS是一种迭代的搜索算法,它从起始节点开始,逐层地向外扩展搜索,先访问离起始节点最近的节点,然后依次访问离起始节点更远的节点。BFS通常使用队列来实现。
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