2016年2月27日
SPOJ QTREE 树链剖分
摘要： 375. Query on a tree Problem code: QTREE You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. 阅读全文
posted @ 2016-02-27 17:25 meekyan 阅读(262) 评论(0) 推荐(0) 编辑