随笔分类 -  POJ

Tree（POJ-1741）
摘要：题目描述： Give a tree with n vertices,each edge has a length(positive integer less than 1001). Define dist(u,v)=The min distance between node u and v. Giv 阅读全文
posted @ 2019-03-01 21:38 Hëinz 阅读(212) 评论(0) 推荐(0)