摘要:
// 例题:洛谷P3128 https://www.luogu.org/problem/P3128 题目描述 Farmer John has installed a new system of N-1N−1 pipes to transport milk between the NN stalls 阅读全文
摘要:
// hdu 1863 //http://acm.hdu.edu.cn/showproblem.php?pid=1863 1 #include<cstdio> 2 #include<cstring> 3 4 const int INF = 0x3f3f3f3f; 5 6 int n, m; 7 in 阅读全文