Leetcode solutions blog. Solutions of All 2444 LeetCode Problems.

Leetcode solutions blog vscode/settings. ; SORTING AND GROUP: Solutions for sorting and Hello coders! Today we will be discussing the various solutions to the Two Sum LeetCode Problem. Problem : Counter 2 | # 2665 | LeetCode. Find two lines that together with the x-axis form a container, such that the container contains the most water. You are given two non-empty linked lists representing two non-negative integers. Add the two numbers and return the sum as a linked list. A comprehensive solution and detailed explanation for solving LeetCode Problem 192: Word Frequency. - mahatabul/leetcode_solutions Our goal is to pick a list of at most k different projects to maximize the final capital and return that maximum capital. For more challenging problem solutions, you can also see our HackerRank-Solutions, ProjectEuler repositories. I have used the provided pandas schema from the website and converted it into a Spark DataFrame before solving them. DevSecOps DevOps CI/CD Here, you'll find daily solutions to LeetCode problems, complete with detailed explanations and code in multiple languages. The brute force approach, while simple, suffers from cubic time complexity Blog Solutions By size. Memory usage: Achieving solutions that use minimal extra space, ideally O(1). LeetCode Light LeetCode Dark Google Microsoft Twitter. ; BASIC AGGREGATION FUNCTION: Solutions for filtering employee information using basic aggregation functions. Here is the only official editorials / solutions you will find. CI/CD & Automation Leetcode Solutions to the the problems i solved Resources. Must-do problem list for interview prep: The problems selected in this repository are curated based on their frequency of appearance in technical interviews and their relevance in assessing a candidate's problem-solving skills. Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. Java, C++ & Python. Apps. Here, we can find solution in following steps, Trimming the spaces before or at the end of the string. Combination Sum II: need to remove duplicates, each number can only be used once. You may assume that each input would have exactly one solution, and you may not use the same element twice. Navigation Menu Blog Solutions By company size. A collection of my solutions to LeetCode problems, showcasing various algorithms and data structures. Permutations II: elements in given number array may not be unique, need to remove duplicates. Optimized Algorithms: I pride myself on providing not just any solution, but the Leetcode solutions, algorithm explaination, in Java Python C++ Php Go Typescript Javascript. Skip to content. Two Sum - Leetcode Solution problem of Leetcode. Pinned Summary - My Time Machine. LeetCode-in-JavaScript “For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby. Welcome to "LeetCode The Hard Way," the ultimate resource for those looking to improve their skills in data structures and algorithms! Our website is dedicated to providing comprehensive tutorials and detailed solutions to some of the most challenging problems in LeetCode. You are playing the Guess Game with your friend. In order to sell a good price of its shares to Venture Capital, LeetCode would like to work on some projects to increase its capital before the IPO. LeetCode Contests for Data Science LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. Read this character in if it is either. It is a problem of finding the minimum number of meeting rooms. Discover how LeetCode Company Wise questions can supercharge your Blog Categories. The workspace contains two folders by default, where: src: the folder to maintain sources; lib: the folder to maintain dependencies; Meanwhile, the compiled output files will be generated in the bin folder by default. If you want to customize the folder structure, open . 4k stars. Write about coding, dsa, system design and interviews. Here you can find algorithms for leetcode Problems. When interviewing at tech companies, your interviewers will want to know your thought process, and why you went with one solution over another. 3458 - Select K Disjoint Special Substrings. Each character in stones is a type of stone you have. As you read this blog post, feel A repository with over 7000 solutions to more than 1800 Leetcode problems written in C++, Python, Java, Javascript, Rust & Golang. Nonetheless, the solution set will grow, if you are having trouble or just want to see a solution feel free to head over to the account. Each problem's Variation of Base Problems:; ️ 📙 47. But if you are looking for more than just 50 problems to learn and practice on, consider the 120+ exercises in our SQL Basics course. Problem : Counter | # 2620 | LeetCode Given an integer n, return a counter function. Plus One problem of Leetcode. 3455 - Shortest Matching Substring. Two Sum - Leetcode Solution - Leetcode Solution. Generate Fibonacci Sequence - JavaScript | Hackerank Author: neptune | Blog Solutions By company size. Greedy algorithms are generally divided into the following four steps: Decompose the problem into several subproblems. Start Exploring. 26, 2025. All solutions have been accepted by LeetCode. Feb. This will be helpful in writing the solutions . Readme Activity. next is a assigned a node reference here. ️ 📙 216. Let's decode this problem together, exploring not And it's perfectly fine to fail multiple times or not have perfect solution, that is a natural part of a learning process. Posts; Tag Index; Search; Posts. Problem : To Be Or Not To Be | # 2704 | LeetCode. These patterns help you recognize similarities between problems, reducing prep time and boosting accuracy. Use “The Six Steps” any time you practice LeetCode questions, preferably with another person. 25, 2025. Generate A quintessential example of such a challenge is found in LeetCode's "Counting Bits" problem (LeetCode 338). In this blog, I have covered the following 2 problems : Conclusion: As we can see we have Note: All explanations are written in Github Issues, please do not create any new issue or pull request in this project since the problem index should be consistent with the issue index, thanks! ('$' means the problem is locked on Leetcode, '*' means the problem is This collection of a daily challenge LeetCode problems. I'm trying to figure out the Java solution for the problem Add Two Numbers from Leetcode. Subscribe to my newsletter for more: blog. ; 🧠 Java Focus: Dive into Java-based solutions for a deeper understanding of the language's fundamentals and coding techniques. This is the solutions collection of my LeetCode submissions, most of them are programmed in JavaScript. ️ 📙 90. A solution to LeetCode 34. Create Account . to y Hashnode. Whether you're a beginner or a seasoned coder, this repository serves as a valuable resource for learning and enhancing your understanding of algorithms and data structures. Popularized by resources like Tech Interview Handbook, it’s a must-have for structured learning. This repository includes my solutions to all Leetcode algorithm questions. In this blog post, we explored three Python solutions for the “3Sum” problem, each employing a distinct strategy. " These problems cover a wide range of data structures and algorithms and are frequently asked in technical interviews. Explore is a well-organized tool that helps you get the most out of LeetCode by providing structure to guide your progress towards the next step in your programming career. DevSecOps DevOps I have compiled a list of solutions for Leetcode problems on Github. cs. #python #leetcode #networking #security #java #ubuntu #node #raspberrypi #arduino #privacy #kubernetes #docker. For example, 121 is a palindrome while 123 is not. This repository features easy-to-understand solutions that are constantly updated for improved performance. answer[i] % answer[j] == 0, or; answer[j] % answer[i] == 0; If there are multiple solutions, return any of them. This repository contains my solutions to LeetCode problems, all written in C++. Community Solutions: Users can access a variety of solutions submitted by other community members. The struggle is real Have you been tackling LeetCode problems but don’t feel like you’re actually getting better in interviews? Feel like you’re able to come up [] Blog YouTube GitHub. 1. 3Sum. Leetcode contest Country distribution. Join Leetcode Solutions. LeetSolve shares how to solve Leetcode coding challenges in C++. Triangle (Medium)Given a triangle array, return the min 1. Triangle (Brute Force and DP Solution) Hello Everyone,This is my first video, where I've posted solution for Leetcode Problem Triangle. It's aimed at improving my problem-solving skills Check out ---> Sample PR There are new LeetCode questions every week. Write a function createCounter. Generate Fibonacci LeetCode Solutions: A Record of My Problem Solving Journey. 132K subscribers in the leetcode community. LeetCode第一题 给定一个整数数组nums和一个整数目标值target，请你在该数组中找出和为目标值target的那两个整数，并返回它们的数组下标。 你可以假设每种输入只会对应一个答案。但是，数组中同一个元素在答案里不能重复出现。你可以按任意顺序返回答案。 Pick a leetcode problem randomly or Online Assessment from targeted companies. LeetCode Solutions walkccc/LeetCode Home Style Guide Table of contents Approach 1: Top-down Approach 2: Bottom-up 312. All problems and solutions are listed under different categories. Looping Avoid range(len(arr)) Python uses exclusively for . 所选题解均为原创，以初学者的视角切入，并非第一时间发布，但经过时间检验，在 LeetCode 中文版题解区发布以后获得大量点击，且点赞数多、评论活跃，几经修改，多数所选题解被官方评为“精选题解”，确保文章质量优异。 Counter | #2620 | LeetCode Solution Author: neptune | 02nd-Sep-2023 . Solution: →. Subsets II: elements in given number array may not be unique, need to remove duplicates. This repository contains my solutions to various LeetCode contests and individual problems, offering a comprehensive resource for aspiring programmers to learn and improve their coding skills. I solve the problems regularly and upload the code solution along with some write up on medium for everyone to follow. LeetCode 1347. If you're stuck with LeetCode problems, then this blog series can offer you some useful strategies and advice to overcome them. This problem 66. The algorithm for myAtoi(string s) is as follows:. The next greater number of a number x is the first greater number to its traversing-order next in the array, which means you could search 刷题网站leetcode LeetCode 众所周知 LeetCode 是一个刷算法题的网站，参加 ACM 或者是大厂面试都有重要作用。所以以下内容我是空余时间的题解，有着详细的注释。刷题的顺序由易到难，有任何疑问欢迎提出，共勉！ Solutions. This blog series attempts to solve the 500 Top Leet Code Interview Questions with the help of AI Code Assistance, The Predictive Power of LeetCode Solutions. Easy Medium Hard. io LeetCode Blog Solutions for LeetCode problems - Written by ansidev. This repository contains a curated list of 75 LeetCode problems that are commonly known as the "Blind 75. You are given an integer array height of length n. The time complexity is O(nlogn). , with different approaches. Please note that only some solutions contain test fixtures while others will require a main() function to compile. Edit: If someone is interested in working together I usually do daily + a few leetcode questions and enjoy explaining solutions so pm me, maybe we can help each other out :) The LeetCode patterns cheat sheet is a curated list of 14 problem-solving strategies that recur across coding challenges. Verdict: Strong Hire Round 2: Machine Coding Design snake and ladder Verdict: Strong Hire Round 3: Design roundDesign a system similar to www. Engaging in discussions on LeetCode can be a game-changer. And that's how I learn faster, better ways to code. About. In this game, your friend thinks of a Blog Solutions By company size. Codeforces Educational, Global, Div2 and Div3 Rounds, Leetcode Weekly and Biweekly Contests, Atcoder Beginner and Regular Contests, and Codechef Lunchtime, Starters, Long Challenge, and Cookoff Editorials are posted regularly. The returned array Today, I'm here to walk you through a common but intriguing problem that pops up in interviews: the "First Bad Version" challenge from LeetCode (LeetCode 278). Improving performance: Optimizing from a naive O(n*k) solution to a more efficient O(n) approach. Here, you'll find step-by-step breakdowns of algorithmic approaches complexity analyses, and Having solved over 1500 LeetCode problems, I’ve carefully selected the top 300 problems and grouped them into 60 topics and patterns to help you prepare smarter, not Join me on an uncomfortable yet educational, and at times fun, adventure into learning problem-solving through solving NeetCode and LeetCode problems. Ace your coding interviews. Stack the local optimal solutions into a global optimal solution. I occasionally look at the Solutions sidebar, but I don't find them useful. Problem-Solving Patterns. All solutions support JavaScript-based LeetCode algorithm problem solutions, regularly updated. Combination Sum III: fixed length, each number can Recognizing patterns forces you to focus on the bigger picture, which in turn, allows you to be more analytical, creative, and deliberate when it comes to creating a solution. LeetCode also includes a 50-problem SQL study plan to get you all the necessary skills to ace a data science interview. All JavaScript codes are wrote in ECMAScript 6 standard, each solution file will contain a problem description in the beginning, and followed by some necessary explanation, some problems will The bot then scrapes the Leetcode solutions page (AKA: discussions) for the most voted solutions using a headless browser session. leetcode. I'll keep updating for new questions and better solutions. 14:31. length - 1] is nums[0]), return the next greater number for every element in nums. I do not own the rights to the questions and am just cataloging my submissions for the purposes of revision and as an exercise in learning git. Also, feel free to visit my LeetCode discuss home page for latest posts and discussions. Enterprises Small and medium teams leetcode leetcode-solutions leetcode-java leetcode-classification Resources. 1358. You signed out in another tab or window. Each problem is approached with the aim of providing multiple perspectives and solutions to help you grasp different problem-solving techniques as needed. Find Positive Integer Solution for a Given Equation: Easy: Normal: 1238: Circular Permutation in Binary Representation: Medium: Normal: 1239: Maximum Length of a Concatenated String with Unique Characters: Medium: Normal: 1240: Tiling a This repository contains detailed solutions to popular leetcode problems in multiple programming languages. Solve for the optimal solution of each subproblem. 0 One bonus is that it lets me practice skills that aren't traditionally measured by leetcode; for instance, when editing a solution today, I learned about __slots__ and practiced doing a DRY implementation. first missing positive; 442. Leetcode. Welcome to the LeetCode Solutions repository! 🚀 This project is dedicated to improving algorithmic problem-solving skills through curated solutions to problems on LeetCode. Discuss interview prep strategies and leetcode questions 🧠 Beginner-Friendly: These problems are handpicked to be approachable for newcomers to programming and algorithmic thinking. 💡 Solutions to LeetCode in C++20, Java, Python, MySQL, and TypeScript. Contains Duplicate. The main challenge is that each project requires a minimum capital to start Keep record of my leetcode solutions. Help LeetCode design the best way to maximize its total capital after finishing at most k distinct projects. This repository contains solutions to LeetCode's 75 Essential & Trending Problems, all implemented in Java. - AnasImloul/Leetcode-Solutions. Suppose LeetCode will start its IPO soon. Eyuel Dan⭐⭐⭐ · Mar 13, 2023 · 1 min read. Before submitting the solution, the bot rigorously tests it against the question's example test cases. One brute force solution, another one more optimal. " Hi Alex "Triming --> "Hi Alex" 2. Problem Statement You're given strings jewels representing the types of stones that are jewels, and stones representing the stones you have. Iterating over the characters of the string, pushing opening brackets onto the stack and popping them when a corresponding closing bracket is encountered. Enterprises Small and medium teams Startups Nonprofits By use case. Below are some assorted tips to make python leetcode solutions nicer. majority About. virustot. Each leetcode notes - greedy. Whether you're a coding novice or looking to refresh your skills, Problem Description. Round 1: DSA No of ways to reach from grid (1, 1) to (N, N) with few blockers. Welcome to another fun coding challenge! Today, we'll be tackling the Guess Number Higher or Lower problem. These solutions are posted after the contest gets over and should be used for educational purposes only. Solutions to 50 LeetCode SQL problems specifically curated for cracking SQL interviews. Info; my leetcode problem solutions with explanation; github repo; Array; 41. Discussion Forums: Users can engage in discussions about different solutions and approaches. Before curr is assigned the newNode, it first gets mutated by the previous statement:. 8. Blog Solutions By company size. LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews. This repository contains my personal C++ solutions for LeetCode problems. LeetCode solutions in Python2. 7. Learning Experience and Pedagogy Blog. Do yourself a favor and don't do mediums until you've done dozens of easys. Given an integer x, return true if x is palindrome integer. Healthcare Financial services Manufacturing By use case. There are n vertical lines drawn such that the two endpoints of the i th line are (i, 0) and (i, height[i]). Problem : Apply Transform Over Each Element in Array | #2635 | LeetCode Given an integer array ` arr` and a mapping function ` fn` , return a new array with a transformation applied to each element. Whether you're a student 15 votes, 11 comments. In the next iterations the same happens with Sharing to community. 3. An integer is a palindrome when it reads the same backward as forward. Using the modulo operator (k % n) is a game-changer here. curr. Closest Prime Numbers in Range Average Rating: 0 (0 votes) by Vansh_Kapila 53 view. Check out the full list of problems categorized by topics and patterns at algomaster. . Let's see code, 15. Check if the next character (if not already at the end of the string) is '-' or '+'. Contribute to cnkyrpsgl/leetcode development by creating an account on GitHub. I'll keep updating for full summary and better solutions. This Leetcode problem is solved in many programming languages, such as C++, Java, JavaScript, Python, etc. Joaquín Gutiérrez - Dec 6 '24. Posted on September 1, 2006 0. First and Last Position of Element in Sorted Array. Leetcode Blog Solutions By company size. next = newNode At that moment -- in the first iteration -- curr still references the node that dummyHead references, and so dummyHead. Each problem includes: - Problem statement - Solution with explanations - SQL query optimization tips - Common pitfalls to avoid Use this repository to To Be Or Not To Be | #2704 | LeetCode Solution Author: neptune | 03rd-Sep-2023 . Forks. It should Related Blogs. 3Sum is a Leetcode medium level problem. How To Go Around A Square Matrix In Spiral Order. Arrays and Hashing. To use these solutions, simply clone the repository and open the solution file in Visual Studio or another C# IDE. It simplifies situations where the rotation value exceeds the array length, making your solution cleaner and faster. Leetcode solutions. DevSecOps DevOps CI/CD Hello all, this is a repository where I will be adding my solutions to the famous leetcode blind 75 list. algomaster. in loops, rather than the traditional C-style for (int i = 0; i arr. ; Hope you enjoy the journey of learning data structures and algorithms. Tags:. Primarily, they are a sanity-check. Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory. Leetcode Solutions. Follow. Two Sum. This project aims at solving LeetCode algorithm problems with pure C Language using as little library functions as I can, which means except memory management functions and few string functions I will implement everything I need such as trees, stacks, queues and hash tables. Write a blog post with detailed explanation and do a verbal walk through to help understand the solutions better. Pinned Summary My time machine, please go back to 2006-09-01 damn hot Hangzhou. Read it until you will get space, till that. 180. 本文还有配套的精品资源，点击获取 简介：LeetCode作为一个在线编程平台，提供了丰富的算法问题，帮助程序员提升编程技能和面试准备。内容覆盖了多种计算机科学领域，包括数据结构和算法，以及各类编程难题。解决这些问题有助于深化对编程语言、数据结构和算法的理解，并提高系统设计和 LeetCode Solutions in C++, Java, and Python. " Array C++ Medium Monotonic Stack Stack Problem Statement: Given a circular integer array nums (i. These four steps are actually too theoretical. Platform. By sharing your thoughts and solutions, you not only help others but also deepen your own understanding. Leetcode answers, Leetcode problems and solutions, Leetcode solution, Leetcode solutions python, Leetcode solution C++, Leetcode solution JavaScript, Leetcode solution java Leetcode Solutions. Example 1 : Input: x = 121 Output: true Solution: Time Complexity : O(n) Space Complexity: O(1) Optimizando la Integración de APIs de Blog: Lecciones Aprendidas con Dev. find the duplicate number; 169. The way you tackle LeetCode problems can reveal a lot about your problem-solving Comprehensive Solutions: Each algorithmic problem is accompanied by a detailed solution, edge cases, and runtime complexities. ; BASIC JOIN: Demonstrates various join techniques to combine rows from two or more tables based on a related column. Number of Substrings Containing All Leetcode all problems list, with company tags and solutions. Feb 24 This blog series attempts to solve the 500 Top Leet Code Interview Questions with the help of AI Code Welcome to LeetCode Articles. Each solution is implemented in a separate C# class file and follows the naming convention ProblemName. ; 🚀 Interview Prep: Start your journey toward acing technical interviews while building a solid foundation in problem-solving. 0K views 14:32. Read in and ignore any leading whitespace. Master DSA Patterns. Watchers. interview. This repository serves as a journal to document my learning process, thought patterns, and the logic behind my solutions. Each solution is accompanied by explanations and insights to help understand the problem-solving process. Once a promising solution is found, the bot prepares it for submission. Enterprise Teams Startups By industry. Learn Data Structures and Algorithms systematically. , the next element of nums[nums. This task requires us to generate an array ans of length n + 1 , where each element ans[i] represents Hello coders! Today we will be discussing the solution to the Add Two Numbers LeetCode Problem. Blog Categories Skill depth-first-search Design divide and conquer dynamic-programming Easy Facebook GATE CSE Google Greedy Hard hash-table Heap LeetCode Solution Linkedin LinkedIn Assessment LinkedIn Quiz Math Medium Microsoft MySql Previous Year Hey🖐 DevCommunity Checkout The blog for solutions above Leetcode problem statement. The digits are stored in reverse order, and each of their nodes contains a single digit. The Language. As of 08/18/2019, this LeetCode, Solution, Blog: 🚀 Languages Covered. Older Comments. This website aims to provide code with good readability and consistent style over various topics and embraces new standards. DevSecOps DevOps This repository contains my daily solutions to LeetCode challenges. Plus One – Leetcode Solution. Stars. Plus One is a Leetcode easy level problem. Welcome to the LeetCode Blind 150 solutions repository! This is a collection of my personal solutions to the handpicked list of 150 problems essential for nailing coding interviews. Now that we’ve established the importance of LeetCode in the tech ecosystem, let’s explore how your approach to solving these problems can potentially predict your future in the industry. 23 subscribers. Each solution is well-documented and includes explanations for different approaches, complexity analysis, and edge cases considered. Posted on March 9, 2025 Welcome to In this blog, we’ll explore what dynamic programming is, how to implement it in C#, its real-world applications, and we’ll also break down a few classic problems from LeetCode. Access the entire feature including problems, solutions, and resources completely free. This is a growing list of LeetCode problems and solutions. e. I didn’t find a chart for top programming languages used in You signed in with another tab or window. String to Integer (atoi) 53. Leetcode 59. "For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby. This works fine assuming all the integers are non-negative, which they are supposed to be based on the problem description, and that's what most of the existing online leetcode solutions did as well. Let’s see code, 66. And don't rush to the solutions tab, try your own approach first. Once I've solved it on my own, THEN I look at the solutions tab. I typically add solutions every day; however, sometimes I may be busy. In this post, we are going to solve the 1. Valid Anagram. Grind-75 LeetCode Solutions: Mastering Algorithms and Data Structures using Python. Channel created. Solving most important Data Structures and Algorithm questions for interview preparations as a beginner! Array Dynamic Programming Math Medium Sorting Problem Statement: Given a set of distinct positive integers nums, return the largest subset answer such that every pair (answer[i], answer[j]) of elements in this subset satisfies:. Split Array Largest Sum ¶ Approach 1 Problem. This counter function initially returns n and then returns 1 more than the previous value every subsequent time it is called (n, n + 1, n + 2, etc). Keep an interview prep journal to track your progress. LeetCode-in-JavaScript JavaScript-based LeetCode algorithm problem solutions, regularly updated. Contribute to yuanguangxin/LeetCode development by creating an account on GitHub. Minimum Number of Steps to Array Prototype Last | #2619 | LeetCode Solution Author: neptune | 20th-Sep-2023 . chase2learn says: April 8, 2023 at 1:35 pm. A simple example of using C++ switch. Reference is here: Leetcode discussion solution with binary search and smart solution; Solutions Prefix sum implementation Time Complexity: O(M*N*min(M,N)) where M is row N is col, essentially O(N^3) Space All Python solutions for Leetcode. json and update the related settings there. DevSecOps DevOps CI/CD View all use cases By industry My Solutions to Leetcode problems. ️ 📙 40. Complexity. DevSecOps DevOps This repository contains my solutions to various LeetCode problems in C#. You switched accounts on another tab or window. Time: O(n) Space Software Engineer, 195k+ LinkedIn, 150k+ YouTube. Each solution includes detailed comments that explain the approach, the data structures used, and the reasoning behind the implementation. ” LeetCode Solutions walkccc/LeetCode Home Style Guide Table of contents Approach 1: Top-down Approach 2: Bottom-up Approach 3: Binary Search 410. Longest Substring Without Repeating Characters Discover how to crack the LeetCode Climbing Stairs problem using dynamic programming, Mastering the Staircase: Dynamic Programming Solutions for LeetCode's Climbing Stairs Problem. For various solutions of mine to LeetCode problems. Longest Substring Without Repeating Characters. My goal is to eventually complete it. ( leetcode题解，记录自己的leetcode解题之路。 javascript python java computer-science tree algorithm algorithms leetcode cpp interview algo data-structures leetcode-solutions algorithms-datastructures A growing list of LeetCode problems and solutions. - biqar/leetcode-hard. Problem Statement. Practice LeetCode problems grouped by patterns. These problems will help you build 💡 Solutions to LeetCode in C++, Java, and Python. Collection of my analysis and solutions Blog Solutions By company size. 3Sum problem of Leetcode. Problem : Array Prototype Last | #2619 Related Blogs. Unveil the secrets to acing My C++ solutions of LeetCode Online Judge questions. 197 watching. " The “Solutions” tab will have the user-submitted solutions, so try to find the python solutions there if there’s no official Python solution under the “Editorial” tab. Let's see the code, 1. next returned as the result when in the while loop never assigned the number to this listnode? How works curr assign to dummyHead if curr is equal to dummyHead not the other way? Welcome to LeetCode Saga, a personal journey to sharpen my algorithmic thinking, problem-solving skills, and Python expertise through solving LeetCode problems. This repository contains all my completed coding challenges from coding challenge website-LeetCode. Topics Here I provide solutions to Daily LeetCode problems in Python, Java and C++. #JavaScript #LeetCode. If you have a loop that looks like for i in range (len (arr)): elem = arr[i] print (elem) you should replace it with for elem LeetCode-in-C C-based LeetCode algorithm problem solutions, regularly updated. Since it has limited resources, it can only finish at most k distinct projects before the IPO. tl;dr: You’re doing it wrong. And I make sure to hand code each suggested solution until I understand it. SELECT: Basic SELECT statement solutions to retrieve data from one or more tables. Practice/Progress Tracker: Unwired Learning. Here you can learn essential algorithms, basic data structures, and elementary C++. Study 1-2 solutions from Youtube or LeetCode discussion section. It’s a great way to see different approaches to the same Collection of my analysis and solutions (in C++) of some of the hard leetcode problems. I’ll share when to use each pattern along with a sample problem and provide links to LeetCode The repository for all of the solutions to the Leetcode problems solved on my YouTube, Instagram and TikTok - gahogg/Leetcode-Solutions Here I provide solutions to Daily LeetCode problems in Python, Java and C++. Like below, String is “Hi Alex” This repository contains my solutions to the top 50 LeetCode SQL challenges implemented using Apache Spark DataFrame (PySpark) and Spark SQL. I use a variety of strategies to solve LeetCode problems, including brute force, dynamic programming, greedy algorithms, and more. Solutions of All 2444 LeetCode Problems. Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer (similar to C/C++’s atoi function). Start Practicing. Posted on March 12, 2025 Welcome to Subscribe On Youtube 3457 - Eat Pizzas! Posted on March 11 The beauty of this solution is its efficiency, boasting a time complexity of O(n) where n is the number of nodes in the list, and a space complexity of O(1), as it only utilizes two pointers regardless of the list's size. This repository aims to provide code with good readability and consistent style over various topics and embraces new Explore my collection of LeetCode problem solutions with detailed explanations. These problems are sourced from the well-renowned LeetCode platform and part of the "Blind 150" list. io Here, we see Two Sum LeetCode problem. Burst Balloons ¶ Approach 1: Top Counter 2 | #2665 | LeetCode Solution Author: neptune | 04th-Sep-2023 . This problem 1. Write a function that helps developers Related Blogs. length; i++) loops. I solve the problems regularly and upload the code solution along with some write up on medium for everyone In this blog post, I’ll guide you through 10 beginner-friendly LeetCode questions that are perfect for getting started on your coding journey. Zhenye's LeetCode Blog. This problems mostly consist of real interview questions that are asked on big companies like Facebook, Amazon, Netflix, Google etc. We also have a collection of 100+ SQL Interview questions specifically designed for you to practice before a LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews. This guide includes the problem statement, approach, and code implementation. Below is LeetCode's Java solution but I have questions: Why is dummyHead. Master Patterns, Not Just Problems. We provide the solution to this problem in 3 programming languages i. Start reading whole string from the Right to left and increment count value with each iteration. ca. So far, 447 out of 581 algorithms questions have been included, the indices are not continuous because I solve questions in order of descending frequency. Problem. Click here to view Nilesh Blog’s solution to the LeetCode Two Sum problem in Java, Problem Time Limit Exceeded Solution; Two Sum: O(n^2) Use a hash table to store the values and their indices. Mastering these problems can 通俗易懂、保证质量. Getting Started In this article, I’ll walk you through the 15 most important patterns I learned that made my LeetCode journey lot less painful. 2523. Find a suitable greedy strategy. Must-do problem list for interview prep: The problems selected in this repository are curated based on their frequency of Remove Element from Array LeetCode solution in Java | Programming blog March 29, 2021 Given an array nums and a value val, remove all instances of that value in-place and return the new length. Official Solution Articles: LeetCode provides detailed explanations and multiple approaches for each problem. 35 Thoughts to “LeetCode Solutions and Explanations” Comment navigation. Reload to refresh your session. Parts of the problems don't provide C interface for solution, so I accomplished them with C++ In this Repository all the code snippets contains solutions of May LeetCode Challenge of 2020. So newNode becomes the tail in a linked list. Mexico was in the position 22 with this guy (Tlatoani) leading the board. In this post, we are going to solve the 66. It is a problem of obtaining the minimum number of LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. Enterprises Small and medium teams Startups Nonprofits By use case A repository with over 7000 solutions to more than 1800 Leetcode problems written in C++, Python, Java, Javascript, Rust & Golang. Currently focused on Crash Courses for interview prep, but that naturally includes some general problems. home About The book newsletter. Two Sum - Leetcode Solution is a Leetcode easy level problem. If you find my solutions hard to comprehend, give yourself a time to solve easier questions or check discussion section to problem on Solution: Here we can go with simple solution: First we will find the shortest string and its length. In this post, we are going to solve the 15. LeetCode题解 in Python2。 - JiayangWu/LeetCode-Python This blog will be a series of the 75 days challenge, in these 75 days I’ll be sharing my solutions for the LeetCode problems, and how I approached these solutions. It can be solved using sorting and min heap. This repository contains solutions in: Python; Java; C++; JavaScript; 🛠️ Practice/Progress Tracker. find all duplicates in an array; 287. This problem 15. qfvws ptzgeq zkuceltl kre vocks arhjtox fqlu ctrs nydcx ccunfh trugx ilc lxut dqolf xby