摘要: #include<bits/stdc++.h> using namespace std;typedef long long ll;#define INF 0x3f3f3f3fconst ll N=610000;ll vis[21900]; //相当于bool函数ll dis[21900],u[N], 阅读全文
posted @ 2022-04-20 18:08 xxj112 阅读(59) 评论(0) 推荐(0)