摘要: #include <bits/stdc++.h> using namespace std; const int N = 210, INF = 1e9; int n, m, Q; int d[N][N]; void floyd() { for (int k = 1; k <= n; k++) { fo 阅读全文
posted @ 2022-11-11 11:26 天然气之子 阅读(25) 评论(0) 推荐(0)