DFS - 开数组记录路径 - Tree of Coprimes(hard) - Biweekly Contest 46_tree dfs记录每一条路径_马各阿牛的博客-CSDN博客

网站介绍:文章浏览阅读114次。There is a tree (i.e.,a connected, undirected graph that has no cycles) consisting ofnnodes numbered from0ton - 1and exactlyn - 1edges. Each node has a value associated with it, and therootof the tree is node0.To represent this tree, you are ..._tree dfs记录每一条路径