2021年7月16日
Lomsat gelral
摘要： 题目描述 You are given a rooted tree with root in vertex 11 . Each vertex is coloured in some colour. Let's call colour cc dominating in the subtree of ve 阅读全文
posted @ 2021-07-16 11:36 kid_magic 阅读(49) 评论(0) 推荐(0) 编辑