[Leetcode] Balanced Binary Tree
问题：给一个二叉树，写一个算法判断这个树是不是balanced。 Solution #1. 第一次遇到这个问题时我的解法，如下： 写了一个getDepth()函数，访问每个节点都要调用一次这个函数。这个Solution也通过了leetcode的验证程序，但是后来想了想，I ...
原文：[LeetCode 1234] Replace the Substring for Balanced String
You are given a string containing only kinds of characters Q , W , E and R . A string is said to bebalancedif each of its characters appearsn times wherenis the length of the string. Return the minimu ...
2019-10-21 22:30 0 487 推荐指数：
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