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图的遍历的定义以及深度优先搜索和广度优先搜索(二)
2022-07-27 16:24:00 【InfoQ】
接上一篇讲


深度优先搜索的非递归算法
- 操作步骤
- 1从任意一个vi出发,入栈,然后出栈,并访问vi,并置位访问标志。
- 2将vi的所有邻接点压入堆栈,然后出栈vi的第一个邻接点vj。若该点没被访问过,则访问,置位访问标恶,重复2的过程;若该点已被访问过,则出栈v的下一个邻接点,直到遇到未被访问过的邻接点,重复2的过程。
- 1.2的递归过程结束后,若还有未被访问过的邻接点,则重新选取一个新的顶点作为新的v,重复1到2的过程。
广度优先搜索


- 算法如下:
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