UKIEPC2017 - K - Knightsbridge Rises - 网络流
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...
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...
题目链接http://acm.hdu.edu.cn/showproblem.php?pid=6393题目Problem DescriptionChika is elected mayor of Numazu. She needs to manage the traffic in this city. To manage the traffic is too hard for her. So ...
题目链接:http://exam.upc.edu.cn/problem.php?id=5120题目:题目描述Open-pit mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. Open-p...
题目链接:http://exam.upc.edu.cn/problem.php?id=5211题目:题目描述In this problem, we would like to talk about unreachable sets of a directed acyclic graph G = (V, E). In mathematics a directed acyclic graph (...
题目链接:http://exam.upc.edu.cn/problem.php?id=5909题目:题目描述在一片苍茫的大海上,有n座岛屿,岛屿与岛屿之间由桥梁连接,所有的岛屿刚好被桥梁连接成一个树形结构,即共n-1架桥梁,且从任何一座岛屿出发都能到达其他任何一座岛屿。第i座桥梁有一个承重量wi,表示该桥梁一次性最多通过重量为wi的货物。现在有m个货物运输路线,第i个路线要从岛屿xi出发到达...