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http://codeforces.com/gym/101606题目High-rise buildings in the wealthy retail district of Knightsbridge are usually built with exotic hoisting machines known, in construction circles, as cranes.W...