https://leetcode-cn.com/problems/valid-parentheses 方法分析: 该题使用的堆栈(stack)的知识。栈具有先进后出(FILO)的特点。堆栈具有栈顶和栈底之分。所谓入栈,就是将元素压入(push)堆栈;所谓出栈,就是将栈顶元素弹出(pop)堆栈。先入栈的一定后出栈,所以可以利用堆栈来检测符号是否正确配对
Look at solutions, understand them, then try again later. 🧩 Focus on understanding patterns, not just answers. ✅ Resources 🔗 LeetCode Explore - Easy Questions 📚 NeetCode 150 🧠 Tech Interview Handbook Algo Board is #1!About Easy Leetcode problems for a smooth introduction to the ...
Leetcode-easy problems 334 Reverse String - C++ STL String 字符串创建:string s; 字符串添加:s+=”c”; 字符串反转:s.reverse(); 412 Fizz Buzz - C++ STL Vector vector vec; vec.push_back(3); int转string: to_string(i) 直线装水: class Solution { public: int maxArea(vector<...
Let's envision a scenario where an interview at a hypothetical company involves solving two easy Leetcode problems, typical for junior or trainee positions. Here, ChatGPT-4's odds of acing the interview hover around 72%. However, when faced with a mix of one easy and one hard problem, th...
Arrays Leetcode Problems Easy - Part 1 62303d6 VishalK-R merged commit 0c3ca37 into master Apr 8, 2025 VishalK-R deleted the LeetCodeArraysEasy-Part1 branch April 9, 2025 06:51 Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment ...
脚撕LeetCode(1356)Easy 给你一个整数数组arr。 请你将数组中的元素按照其二进制表示中数字 1 的数目升序排序。 如果存在多个数字二进制中1的数目相同,则必须将它们按照数值大小升序排列。 请你返回排序后的数组。 代码语言:javascript 代码运行次数:0
leetcode 312 hard 问题如下: Given n balloons, indexed from 0 to n-1. Each balloon is painted with a number on it represented by array nums. You are asked to burst all the balloons. If the you burst balloon i you will get n......
脚撕LeetCode(196Sql)Easy 代码语言:javascript 代码 +IdEmail1john@example.com||2bob@example.3--+---+ Id 是这个表的主键。 例如,在运行你的查询语句之后,上面的 Person 表应返回以下几行: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 +--...
LeetCode: A popular platform for practicing coding problems, especially for interview preparation. HackerRank: Offers a variety of challenges across different domains and difficulty levels. GeeksforGeeks Practice: A platform dedicated to practicing coding problems with varying difficulty. Challenges Project ...
LeetCode - Easy - 66. Plus One Topic Array Description https://leetcode.com/problems/plus-one/ Given a non-empty array of decimal digits representing a non-negative integer, increment one to the integer. The digits are stored such ......