摘要：题目连接http://acm.hdu.edu.cn/showproblem.php?pid=3549Flow ProblemDescriptionNetwork flow is a well-known difficult problem for ACMers. Given a graph, you... 阅读全文

摘要：题目连接http://poj.org/problem?id=3281DiningDescriptionCows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will ... 阅读全文

摘要：题目连接http://poj.org/problem?id=1459Power NetworkDescriptionA power network consists of nodes (power stations, consumers and dispatchers) connected by p... 阅读全文

摘要：题目连接http://poj.org/problem?id=1273Drainage DitchesDescriptionEvery time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover p... 阅读全文