摘要: 题目 "luogu3834" 代码 include include include include define N 500005 define M 10000000 using namespace std; int n,m,rk[N]; int root[N]; struct data{int i 阅读全文
posted @ 2017-09-26 19:18 XYZinc 阅读(141) 评论(0) 推荐(0) 编辑