2015年11月25日
POJ1860Currency Exchange(Bellman + 正权回路)
摘要： Currency ExchangeTime Limit:1000MSMemory Limit:30000KTotal Submissions:23938Accepted:8678DescriptionSeveral currency exchange points are working in ou... 阅读全文
posted @ 2015-11-25 21:20 zhaop 阅读(179) 评论(0) 推荐(0) 编辑
POJ3259Wormholes（判断是否存在负回路）
摘要： WormholesTime Limit:2000MSMemory Limit:65536KTotal Submissions:38300Accepted:14095DescriptionWhile exploring his many farms, Farmer John has discovere... 阅读全文
posted @ 2015-11-25 14:58 zhaop 阅读(189) 评论(0) 推荐(0) 编辑