摘要: ```cpp#include #include #include #include #include #include using namespace std;int n, m, order, a, b, ans, fa[100005], re[100005];int find(int x) { int f = fa[x]; if(x != f) { fa[x] = find(f); re[x... 阅读全文
posted @ 2019-11-13 18:27 Atoposyz 阅读(122) 评论(0) 推荐(0) 编辑