Codeforces 1082G - Petya and Graph - 网络流题解链接https://lucien.ink题目链接https://codeforces.com/contest/1082/problem/G题目Petya has a simple graph (that is, a graph without loops or multiple edges) consisti...
题目链接https://nanti.jisuanke.com/t/31462题目After the long vacation, the maze designer master has to do his job. A tour company gives him a map which is a rectangle. The map consists of $N \times M$ li...