2018年5月11日
UVA - 12424 Answering Queries on a Tree(十棵线段树的树链剖分)
摘要： You are given a tree with N nodes. The tree nodes are numbered from 1 to N and have colors C1, C2,. . . , CN initially. You have to handle M instructi 阅读全文
posted @ 2018-05-11 18:23 Styx-ferryman 阅读(166) 评论(0) 推荐(0) 编辑