2019年9月7日
Wormholes POJ - 3259 最短路SPFA
摘要： While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path tha 阅读全文
posted @ 2019-09-07 11:14 木子川 阅读(150) 评论(0) 推荐(0)
Currency Exchange POJ - 1860 最短路Bellman
摘要： Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchang 阅读全文
posted @ 2019-09-07 10:28 木子川 阅读(303) 评论(0) 推荐(0)