poj 1273 最大流基础
摘要：
Drainage DitchesTime Limit:1000MSMemory Limit:10000KTotal Submissions:28561Accepted:10432DescriptionEvery 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 @ 2011-03-31 18:10 reflec94 阅读(397) 评论(0) 推荐(0) 编辑
