2014年8月11日
POJ 1459 Power Network(网络流 最大流 多起点，多汇点)
摘要： Power NetworkTime Limit:2000MSMemory Limit:32768KTotal Submissions:22987Accepted:12039DescriptionA power network consists of nodes (power stations, co... 阅读全文
posted @ 2014-08-11 20:34 keyboard3 阅读(275) 评论(0) 推荐(0) 编辑
POJ 1273 Drainage Ditches(网络流 最大流)
摘要： Drainage DitchesTime Limit:1000MSMemory Limit:10000KTotal Submissions:55893Accepted:21449DescriptionEvery time it rains on Farmer John's fields, a pon... 阅读全文
posted @ 2014-08-11 20:30 keyboard3 阅读(118) 评论(0) 推荐(0) 编辑