数据结构上机实验——图的遍历，建立有向图，可选择深度或广度搜索，并将所有路径输出，简明、易懂、C++、自编版。-Data structure on experiments- graph traversal, the establishment of a directed graph, you can choose the depth or breadth of the search, and all paths output, concise, easy to understand, C++, self-compiled version.