剑指offer 重建二叉树 提交网址:http://www.nowcoder.com/practice/8a19cbe657394eeaac2f6ea9b0f6fcf6?tpId=13&tqId=11157 或leetcode 105:https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ 参与人数:5246 时间限制:1秒 空间限制:32768K 题目描述 输入某二叉树的前序...
https://leetcode.com/problems/merge-two-binary-trees/#/description Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not. You need to merge them into a new binary tree. The merge rule ...
简单一维DP。跟这道题比起来[leetcode]Unique Binary Search Trees II,弱爆了。 代码如下: publicclassSolution {publicintnumTrees(intn) {if(n < 0)return0;int[] hash =newint[n + 3]; hash[0] = hash[1] = 1; hash[2] = 2;for(inti = 3; i <= n; i++){for(intj = 1; j <= ...
Many of the "programming puzzle of the day", or "dev job interview questions" relate to binary trees. This repo contains a binary tree implementation in a Go package, as well as code that solves puzzle-or-problem-of-the-day questions.I...
Write good GTests for class BST. Apply them to both concrete implementations of binary search trees. We may provide some GTests on the GitHub hw6 repo, but you must practice and reinforce the habit of writing good GTests for your programs each week. ...
LeetCode - https://leetcode.com/ Coursera - https://bit.ly/3BxMXzr Blind 75: https://lnkd.in/g5wx7QSq Grind 75: https://lnkd.in/gvZ7_pnp - I focused on this Practice C++ STL or Java Collections or data structure libraries in the language of your choice its essential for fast co...
提交网址: https://leetcode.com/problems/balanced-binary-tree/ Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never differ by more than 1....
https://leetcode.com/problems/binary-tree-vertical-order-traversal/#/description Given a binary tree, return the vertical order traversal of its nodes' values. (ie, from top to bottom, column by column). If two nodes are in the same row and column, the order should be from left to ...
To challenge yourself and get a headstart on preparing for job interviews, solve this LeetCode Medium problem. Always start solving by writing on paper or on a whiteboard. Devise the simple, obvious solution first, then consider how you can make it more efficient using what you know about al...
https://leetcode.com/problems/diameter-of-binary-tree/#/description 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 between any two nodes in a tree. This path may or may not pass through...