LeetCode 101 - A Grinding Guide.pdf Add files via upload Nov 10, 2024 README.md Update README.md Dec 8, 2024 Repository files navigation README LeetCode 101:力扣刷题指南 图书链接 網頁版圖書 by Yan-Ying Liao (3rd party copy) 图书模板链接 讨论区 一个面向有一定的编程基础,但缺乏刷题经验...
【Leetcode】101. 对称二叉树 题目 给定一个二叉树,检查它是否是镜像对称的。 例如,二叉树 [1,2,2,3,4,4,3] 是对称的。 1 / \ 2 2 / \ / \ 3 4 4 3 但是下面这个 [1,2,2,null,3,null,3] 则不是镜像对称的: 1 / \ 2 2 \ \ 3 3 题解 还记得我们上几次说过,二叉树的题目,大多...
Given a binary tree, flatten it to a linked list in-place. I try to use recusive way to solve it, but I think it's too complex. Maybe I should write it a few days later. 115.It's truely a good problem. Though the difficulty is hard, you can easily do it when you understand ...
LeetCode 101 - A LeetCode Grinding Guide (C++ Version).pdf README.md overview.png wechatpay.jpg Repository files navigation README LeetCode 101:和你一起你轻松刷题(C++) 一个面向有C++编程基础,但缺乏刷题经验的读者的教科书和工具书(不适合编程小白喔)。 永久免费,禁止任何盈利性利用,欢迎传...
[leetcode]101.Symmetric Tree 题目 Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmetric 解法一 思路 上来直接采用Same Tree的第二种解法,思路一模一样。
代码运行次数:0 运行 AI代码解释 /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */classSolution{public:booldfs(TreeNode*t1,TreeNode*t2){if(!t1||!
作者是一位谷歌工程师。 高畅现在是谷歌无人车部门(Waymo)的工程师,从事计算机视觉和机器学习方向。他在美国卡内基梅隆大学攻读硕士学位时,为了准备实习秋招,他从夏天开始整理某 code 上的题目,几个月的时间,刷了几百道题目。入职前,闲暇的时候,他突然想到,自己刷了那么多题,而且对很多题目的解法有着总结,为何不...
Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note:Do not modify the linked list. Follow up: Can you solve it without using extra space? 本题难度Medium。有2种算法分别是: 集合法和快慢指针法 ...
\ \ 3 3 Note: Bonus points if you could solve it both recursively and iteratively. 1/**2* Definition for a binary tree node.3* struct TreeNode {4* int val;5* TreeNode *left;6* TreeNode *right;7* TreeNode(int x) : val(x), left(NULL), right(NULL) {}8* };9*/10classSolu...
参考书籍:LeetCode 101 - A LeetCode Grinding Guide (C++ Version).pdf (usc.edu) 例题 1、常用排序算法 这边没有题目,主要是用代码实现一遍常见的排序算法(毕竟也算是算法被经常q到的题目) (1)快速排序 public class QuickSort { public static void main(String[]args){ int[]nums=new int[]{3,4,6...