4.1 Implement a function to check if a binary tree is balanced. For the purposes of this question, a balanced tree is defined to be a tree such that the heights of the two subtrees of any node never differ by more than one.
LeetCode上的原题,请参见我之前的博客Balanced Binary Tree 平衡二叉树。
时间: 2024-10-05 23:25:53