Invert a binary tree. to Trivia: This problem was inspired by this original tweet by Max Howell: Google: of our engineers use the software you wrote Homebrew , but you can t invert a binary tree on a ...
2015-06-13 00:54 3 16155 推荐指数：
Given a binary tree with N nodes, each node has a different value from {1, ..., N}. A node in this binary tree can be flipped by swapping the left ...
在写这篇文章之前说一下数据结构和算法这个系列，这个系列包含了很多东西，比如啥子排序，线性表，广义表，树，图这些大家都是知道的，但是这些东西我们学了之后工作中能用到的又有多少呢，据我所知绝大部分公司，一 ...
Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path ...
Print a binary tree in an m*n 2D string array following these rules: The row number m should be equal to the height of the given binary tree ...
Given a binary tree, return the tilt of the whole tree. The tilt of a tree node is defined as the absolute difference between the sum of all left ...
We are given the head node root of a binary tree, where additionally every node's value is either a 0 or a 1. Return the same tree where every ...
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree ...
Given a binary tree, return the values of its boundary in anti-clockwise direction starting from root. Boundary includes left boundary, leaves ...
