摘要: #include<iostream> #include<stdio.h> #include<cstring> using namespace std; struct ss{ int next,to; };ss data[200010]; const int inf=1e9+7; int n,q,ti 阅读全文
posted @ 2020-03-31 15:59 慎独191812 阅读(200) 评论(0) 推荐(0)

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