摘要:
题目链接 https://acm.bnu.edu.cn/v3/contest_show.php?cid=8504#problem/C 代码如下: 阅读全文
摘要:
题目链接 https://acm.bnu.edu.cn/v3/problem_show.php?pid=52310 problem description Define the depth of a node in a rooted tree by applying the following ru 阅读全文