随笔分类 -  最短路径

Roadblocks
摘要：poj3255 题目： Bessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to get to her old home 阅读全文
posted @ 2020-01-09 20:25 hbhdhd 阅读(379) 评论(0) 推荐(0)
Currency Exchange POJ1860
摘要：Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and perf 阅读全文
posted @ 2019-08-04 13:21 hbhdhd 阅读(184) 评论(0) 推荐(0)