2018年10月23日
poj1741-Tree
摘要： Description 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 阅读全文
posted @ 2018-10-23 22:31 特特w 阅读(170) 评论(0) 推荐(0) 编辑