摘要:POJ 3259 Wormholes(最短路径,求负环) Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very 阅读全文
posted @ 2017-07-23 22:34 SYCstudio 阅读 (102) 评论 (0) 编辑
摘要:POJ 1860 Currency Exchange / ZOJ 1544 Currency Exchange (最短路径相关,spfa求环) Description Several currency exchange points are working in our city. Let us s 阅读全文
posted @ 2017-07-23 17:54 SYCstudio 阅读 (85) 评论 (0) 编辑
摘要:POJ 3268 Silver Cow Party (最短路径) Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow par 阅读全文
posted @ 2017-07-23 16:45 SYCstudio 阅读 (76) 评论 (0) 编辑
摘要:POJ 1797 Heavy Transportation / SCU 1819 Heavy Transportation (图论,最短路径) Description Background Hugo Heavy is happy. After the breakdown of the Cargoli 阅读全文
posted @ 2017-07-23 16:23 SYCstudio 阅读 (74) 评论 (0) 编辑