2019年8月7日
ZOJ 1141：Closest Common Ancestors（LCA）
摘要： Closest Common Ancestors Write a program that takes as input a rooted tree and a list of pairs of vertices. For each pair (u,v) the program determines 阅读全文
posted @ 2019-08-07 16:17 友人-A 阅读(183) 评论(0) 推荐(0) 编辑