摘要: 记住了l,r #include<bits/stdc++.h> using namespace std; const int maxn = 1e5+10; struct edge{ int to, nxt; }e[maxn]; int head[maxn], cnt; int n, m, x, y, 阅读全文
posted @ 2019-11-12 22:30 ATKevin 阅读(198) 评论(0) 推荐(0)
摘要: #include<bits/stdc++.h> using namespace std; const int maxn = 1e5+10; const int inf = 0x3f3f3f3f; struct edge{ int to, nxt; }e[maxn << 1]; int head[ma 阅读全文
posted @ 2019-11-12 21:40 ATKevin 阅读(122) 评论(0) 推荐(0)