随笔分类 -  图论--网络流

POJ 1273 Drainage Ditches
摘要：Drainage DitchesTime Limit:1000MSMemory Limit:10000KTotal Submissions:52160Accepted:19830DescriptionEvery time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. 阅读全文
posted @ 2014-02-21 20:59 ~~Snail~~ 阅读(206) 评论(0) 推荐(0)