2018年3月28日
spoj COT - Count on a tree
摘要： COT - Count on a tree #tree #tree 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 阅读全文
posted @ 2018-03-28 20:15 wang9897 阅读(281) 评论(0) 推荐(0) 编辑