The math class is coming again. You can’t wait to tell Nozomi the game “Knight Garden”, and she return a puzzle called “Fibonacci of Fibonacci” back to you. We are all familiar with Fibonacci sequen
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 rules recursively: • The depth of a root node is