来自大山的菜鸟

建图差不多和以前做的差不多，就是最后询问这个闭合子图有多少个的时候，只要输出这个图的S集合，就是进行dfs能遍历到的点一定在S集合中，不能遍历到的点在T集合中#include <iostream>#include <algorithm>#include <string.h>#include <cstdio>#include &lt...

Jessie and Justin want to participate in e-sports. E-sports contain many games, but they don’t know which one to choose, so they use a way to make decisions.They have several boxes of candies, and t...