Live2d Test Env
2018年1月15日
SPOJcot2 Count on a tree II （树上莫队）
摘要： You are given a tree with N nodes. The tree nodes are numbered from 1 to N. Each node has an integer weight. We will ask you to perform the following 阅读全文
posted @ 2018-01-15 10:25 nimphy 阅读(316) 评论(0) 推荐(0) 编辑