问题描述 Given a Binary Search Tree (BST), convert it to a Greater Tree such...

问题描述 The thief has found himself a new place for his thievery again. The...

题目描述 Invert a binary tree.**注：返回tree的镜像树 思路1 用recursive的方法，先判断if (root)然...

问题描述 You are a professional robber planning to rob houses along a street...

##问题描述 Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array)...

总算觉得Comp arch的TA没白当hhh 问题描述 The Hamming distance between two integers is...

问题描述 Alice and Bob have candy bars of different sizes: A[i] is the size ...

问题描述 Given a binary tree, you need to compute the length of the diameter...