LeetCode

LeetCode is a popular online platform that provides programming and technical interview questions. The site features challenges across a range of difficulties, focusing on algorithms, data structures, and other computer science fundamentals. LeetCode helps users enhance their coding skills, prepare for technical interviews, and engage in programming contests. This topic explores how LeetCode equips individuals with the tools to improve their coding proficiency and problem-solving abilities in a competitive environment.

GitHub: https://github.com/topics/leetcode
Wikipedia: https://en.wikipedia.org/wiki/LeetCode
Created by: LeetCode
Last updated: 2026-04-05 00:13:23 UTC
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https://github.com/shuimuliang/leetcode

LeetCode Practice by Swift

leetcode swift

Last synced: 16 Mar 2025

https://github.com/austinoboyle/leetcodesolutions

algorithm algorithms data-structures leetcode leetcode-solutions python

Last synced: 26 Mar 2025

https://github.com/said7388/leetcode-binary-search

Leetcode Binary Search Study Plan Problem Solved with golang.

binary-search go golang leetcode leetcode-solutions

Last synced: 27 Feb 2025

https://github.com/yuriykravets/leetcode

Collection of LeetCode solved problems

leetcode leetcode-kotlin leetcode-solutions

Last synced: 06 Jul 2025

https://github.com/limdongjin/problemsolving

java / c++ / python

algorithms boj c data-structures java leetcode problem-solving python

Last synced: 01 Mar 2025

https://github.com/valery1707/problem-solving

This repository contains my solutions to some problems in various online judges, such as LeetCode, HackerRank, E-Olymp, etc.

eolymp eolymp-solutions gradle hacker-rank hacker-rank-solutions hackerrank hackerrank-java hackerrank-solutions java jmh jmh-benchmark kotlin leetcode leetcode-java leetcode-kotlin leetcode-solutions leetcode-solutions-java leetcode-solutions-kotlin

Last synced: 16 Mar 2025

https://github.com/williyam-m/leetcode

Repository of my LeetCode problem-solving journey.

competitive-coding competitive-programming data-structures data-structures-and-algorithms dsa-algorithm dsa-learning-series dsa-practice dsa-questions leetcode leetcode-java leetcode-practice leetcode-questions leetcode-solutions problem-solving

Last synced: 06 Dec 2025

https://github.com/itsachrafmansari/competitive_programming

My own solutions to some problems on famous competitive programming platforms

codeforces coding-challenge coding-challenges codingame competitive-coding competitive-programming competitive-programming-contests leetcode leetcode-solutions

Last synced: 27 Feb 2025

https://github.com/plliao/leetcodetestcases

Testcases for leetcode online judge.

leetcode

Last synced: 22 Feb 2026

https://github.com/thomhayner/leetcode

A repo containing my LeetCode solutions.

leetcode leetcode-solutions

Last synced: 02 Jul 2025

https://github.com/coki999/code

Description:Code is a set of instructions written in a programming language that tells a computer how to perform specific tasks or functions. It serves as the foundation for software development, enabling developers to create applications, websites, and other digital solutions.

data-professor data-science-python datascience exploratory-data-analysis learn-to-code leetcode machine-learning manning-publications nodejs php-framework r rust rust-in-action shiny

Last synced: 06 Jul 2025

https://github.com/emilwijayasekara/leetcode-1897-redistribute-characters-to-make-all-strings-equal

LeetCode Problem 1897. Redistribute Characters to Make All Strings Equal - This problem challenges to determine whether it is possible to make all strings in a given array equal through a series of operations that involve moving characters between strings. The goal is to return true if such equality can be achieved and false otherwise

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-2441-largest-positive-integer-that-exists-with-its-negative

LeetCode Problem 2441.Largest Positive Integer That Exists With Its Negative - The problem requires finding the largest positive integer in an array such that its negative counterpart also exists in the array. The objective is to return this maximum positive integer, or -1 if no such integer is found.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1816-truncate-sentence

LeetCode Problem 1816. Truncate Sentence - Given a sentence s and an integer k. You want to truncate s such that it contains only the first k words. Return s after truncating it.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-2620-counter-30-days-of-javascript-day-2

Leetcode Problem 2620 Counter - Function that takes an initial value n and returns a new function. The returned function, when called, will return n and then increment it for subsequent calls, creating a counter.

javascript leetcode leetcode-javascript leetcode-solutions

Last synced: 26 Nov 2025

https://github.com/emilwijayasekara/leetcode-13-roman-to-integer

LeetCode Problem 12. Integer to Roman - The task is to sum the values of these symbols according to the rules of Roman numeral representation, with the added complexity of subtraction when a smaller numeral precedes a larger one. The goal is to return the integer value equivalent to the given Roman numeral string.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-2667-create-hello-world-function-30-days-of-javascript-day-1

LeetCode Problem 2667. Create Hello World Function - In this problem we have to write a function createHelloWorld. It should return a new function that always returns "Hello World".

javascript leetcode leetcode-solutions

Last synced: 19 Oct 2025

https://github.com/emilwijayasekara/leetcode-1422-maximum-score-after-splitting-a-string

LeetCode Problem 1422. Maximum Score After Splitting a String - The problem involves maximizing the score by splitting a binary string into two parts and counting zeros on the left and ones on the right. The goal is to iterate through possible splits and return the highest achievable score.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-20-valid-parentheses

LeetCode Problem 20. Valid Parentheses -Focuses on determining the validity of a given string consisting of parentheses, braces, and brackets. The solution employs a stack-based approach to efficiently check if the arrangement of symbols follows the rules

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1346-check-if-n-and-its-double-exist

LeetCode Problem 1346. Check If N and Its Double Exist - Determine if there exist two indices in an array where the element at one index is twice the value of the element at another index. The goal is to check this condition for any pair of indices in the given array.

java leetcode leetcode-java leetcode-solutions

Last synced: 20 Jul 2025

https://github.com/emilwijayasekara/leetcode-771-jewels-and-stones

LeetCode Problem 771. Jewels and Stones - The task is to count how many stones in a given string are considered jewels based on a separate string of jewel types. The solution involves comparing characters in both strings and tallying the matches.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-412-fizz-buzz

LeetCode Problem 412. Fizz Buzz - The FizzBuzz problem requires generating a sequence of strings from 1 to 'n', where each number is replaced by "Fizz," "Buzz," "FizzBuzz," or itself based on specific divisibility rules.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1389-create-target-array-in-the-given-order

LeetCode Problem 1389. Create Target Array in the Given Order - Creating a target array by sequentially inserting elements from the 'nums' array at specified indices given in the 'index' array. The goal is to return the final target array following the insertion rules.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1812-determine-color-of-a-chessboard-square

LeetCode Problem 1812. Determine Color of a Chessboard Square - The problem involves determining the color of a chessboard square based on its coordinates. Given a letter and a number representing a valid chessboard square, the task is to decide whether the square is black or white.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/alvii147/leetcode

LeetCode problems & solutions

algorithms concurrency database leetcode shell

Last synced: 28 Apr 2025

https://github.com/hilarionengarejr/leetcode

Just LeetCode nothing to see here lol.

leetcode leetcode-javascript leetcode-python

Last synced: 02 Apr 2025

https://github.com/blackhorseya/leetcode-golang

leetcode

Last synced: 18 Jun 2025

https://github.com/felixoder/leetcode_journey

Here I share my leetcode progress journey

cp dsa hactober leetcode logic practise programming

Last synced: 17 Jan 2026

https://github.com/sarahabuirmeileh/problemsolving

This repository contains solutions to problems I've solved on Codeforces, Leetcode and others.

codeforces codeforces-problems codeforces-solutions competitive-programming cplusplus leetcode leetcode-cpp leetcode-solutions problem-solving

Last synced: 07 Dec 2025

https://github.com/mapx/leetcode-rust

Leetcode solutions in Rust.

algorithms examples leetcode leetcode-rust leetcode-solutions rust rust-playground

Last synced: 21 Feb 2025

https://github.com/alexandros-lekkas/leetcode

🧑‍💻 All of my LeetCode solutions, synced by LeetHub

learning leetcode leetcode-solutions leethub personal

Last synced: 06 Jul 2025

https://github.com/anshiii/leetcode-javascript

The answer of problems from leetcode in javascript

leetcode

Last synced: 16 Mar 2025

https://github.com/kramachandrashenoy/leetcode

This repository contains Leetcode questions and their solutions in Python.

leetcode leetcode-python leetcode-solutions mysql python sql

Last synced: 21 Feb 2025

https://github.com/bilbottom/leetcode-go

Not optimal, not impressive, but some solutions to LeetCode problems written in Go.

go leetcode

Last synced: 01 Mar 2025

https://github.com/coodingpenguin/problem-solving

:memo: Practice problem solving with BOJ and Programmers

algorithm boj leetcode problem-solving programmers python-for-coding-test python3

Last synced: 26 Mar 2025

https://github.com/pochetes/ds-practice

All Data Structures & Algorithms Implementations. Practicing...

algorithm algorithms-and-data-structures arrays binary-search-tree data-structures leetcode queues searching sorting stacks trees

Last synced: 26 Mar 2025

https://github.com/arshad115/leetcode-august-2020

Leetcode Challenge for August 2020

2020 leetcode leetcode-challenge leetcode-challenge-august leetcode-challenge-solution leetcode-python leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/kzamanbd/leetcode-problem

Welcome to our Problem-Solving Repository! This repository is a curated collection of solutions and resources aimed at addressing a variety of challenges encountered in software industry. Whether you're a developer, a project manager, or an enthusiast in software development field...

cpp leetcode leetcode-solutions problemsolving

Last synced: 27 Feb 2025

https://github.com/vermavarun/shaksz

All coding and design solutions as package

competitive-programming leetcode leetcode-solutions system-design

Last synced: 14 Jan 2026

https://github.com/iamursky/leetcode

My LeetCode problem solutions

leetcode

Last synced: 06 Jul 2025

https://github.com/kunalparkhade/logic-for-prog

This repository contains various coding exercises and solutions to help improve problem-solving skills for beginners in programming. The solutions are focused on logical thinking and solving problems using different algorithms and data structures.

coding coding-challenge competitive-programming leetcode logic-programming

Last synced: 02 Apr 2025

https://github.com/nkcoder/leetcode-python

My LeetCode data structure and algorithm practice in Python.

algorithms data-structures leetcode python3

Last synced: 01 Mar 2025

https://github.com/nk-works/leet-solver

This repository contains all my solutions to LeetCode problems, organized by difficulty level and problem type. Each solution is written with clean, well-documented code, and wherever applicable, I’ve included explanations and time complexity analysis.

dsa java leetcode

Last synced: 10 Jan 2026

https://github.com/charlieh7/leetcode-questions

This is where I'll store code solutions for the questions I practice on Leetcode!!

array backtracking datastream divide-and-conquer dynamic-programming hashmap hashtabe hashtable leetcode leetcode-solutions math recursion sorting string trie two-pointers union-find

Last synced: 22 Feb 2025

https://github.com/mr-possible/leetcode-practice

A developer has his vices 😪

leetcode

Last synced: 10 Apr 2025

https://github.com/eduard-romaniuk/algo-problems

LeetCode, AlgoExpert, Advent of Code solutions

advent-of-code advent-of-code-2022 algoexpert algoexpert-solutions leetcode leetcode-solutions

Last synced: 22 Feb 2025

https://github.com/irsol/leetcode

LeetCode solutions

algorithms dictionary leetcode leetcode-mysql leetcode-python leetcode-python3 leetcode-solutions mysql python python3 set sql string

Last synced: 27 Feb 2025

https://github.com/kritika30032002/kritika_leetcode

Collection of LeetCode questions to ace the coding interview!

algorithms algorithms-and-data-structures cpp-programming data-structures geeksforgeeks-cpp geeksforgeeks-solutions gfg-cpp gfg-solutions interview interview-practice interview-preparation interview-questions leetcode leetcode-cpp leetcode-practice leetcode-solutions

Last synced: 27 Feb 2025

https://github.com/sahilm8/dsa_solutions

Solutions for data structures and algorithms from LeetCode and HackerRank.

hackerrank java leetcode

Last synced: 01 Apr 2025

https://github.com/joaoassalim/leetcode-solutions

Repository to save my solutions in Leetcode

leetcode leetcode-solutions

Last synced: 22 Feb 2025

https://github.com/simon-hng/code_challenges

Leetcode and Hackerrank solutions

leetcode

Last synced: 10 Jan 2026

https://github.com/kylecurtis/solutions

Leetcode (and similar) solutions with self-testing.

c-plus-plus cmake cmakelists cplusplus cpp leetcode leetcode-solutions

Last synced: 20 Aug 2025

https://github.com/loaiwael/leetcode-problems

LeetCode solutions in JS 🐢✨

algorithms javascript js js-problem-solving leetcode leetcode-javascript leetcode-solutions problem-solving

Last synced: 14 Jun 2025

https://github.com/thepravin/dsa-problems

Data Structures and Algorithms

codeforces-solutions cpp data-structures-and-algorithms dsa dsa-algorithm geeksforgeeks geeksforgeeks-cpp geeksforgeeks-solutions leetcode leetcode-cpp leetcode-solutions

Last synced: 22 Feb 2025

https://github.com/hanaasagi/pyleetcode

My LeetCode solution using Python

leetcode leetcode-python leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/uchkunrakhimow/leetcode

My leetcode solutions

leetcode leetcode-javascript leetcode-solutions

Last synced: 16 Mar 2025

https://github.com/ganeshkadam65/leetcodesolutionscpp

LeetCode has emerged as one of the most popular platforms for honing programming skills and preparing for technical interviews. As a coding enthusiast or a job seeker in the tech industry, having a solid understanding of data structures and algorithms is crucial

algorithms c code coding competitive-programming cpp data-structures leetcode leetcode-cpp leetcode-solutions programming python software-development software-engineering

Last synced: 24 Oct 2025

https://github.com/cycno/myleetcode

I will upload every question which I will solve in leetcode

leetcode leetcode-python

Last synced: 11 Mar 2025

https://github.com/mahtosujeet/potd-acclub

POTD provided by Application Club, MNNIT.

codeforces cpp leetcode potd

Last synced: 02 Apr 2026

https://github.com/williamyyu/leetcode

LeetCode practice in Kotlin

algorithm kotlin leetcode

Last synced: 04 Apr 2025

https://github.com/ruan-narici/leetcodequestions

This repository was created to store my answers to Leet Code questions

eclipse java leetcode

Last synced: 23 Feb 2025

https://github.com/rumaisanaveed/leetcode-solved-questions

These are the random questions which I solved on leetcode.

coding coding-challenges grinding leetcode logic-building practice problem-solving programming questions-solved

Last synced: 07 Jul 2025

https://github.com/daniguardiola/leetcode

💻 My solutions to Leetcode problems in various languages

csharp golang javascript leetcode leetcode-solutions python rust

Last synced: 12 Mar 2025

https://github.com/will-molloy/coding-practice-java

coding practice/competitive programing with Java/Scala/Kotlin

advent-of-code hackerrank java kotlin leetcode project-euler scala

Last synced: 17 Jan 2026

https://github.com/palmanov/leetcode-problems

Practice of solving algorithmic problems

leetcode leetcode-cpp leetcode-solutions

Last synced: 18 Jan 2026

https://github.com/tonydoen/followleetcodeorpoj

偷懒掉的都要补回来

gof gof-patterns leetcode leetcode-java mian-shi offer

Last synced: 01 Mar 2025

https://github.com/priyanshudutta04/java-dsa

This repository contains all the codes that I practice for dsa

dsa java leetcode

Last synced: 17 Mar 2025

https://github.com/nvhnam/practice_leetcode

dsa leetcode python

Last synced: 12 Mar 2025

https://github.com/emilwijayasekara/leetcode-2011-final-value-of-variable-after-performing-operations

LeetCode Problem 2011. Final Value of Variable After Performing Operations - execution of simple increment and decrement operations on a variable 'X' based on a given array of operation strings. The goal is to determine the final value of 'X' after performing all the operations.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-2942-find-words-containing-character

LeetCode Problem 2942. Find Words Containing Character - The problem involves finding and returning the indices of words in a given array that contain a specific character 'x'. The task is to iterate through each word and identify those that include the specified character.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1784-check-if-binary-string-has-at-most-one-segment-of-ones

LeetCode Problem 1784. Check if Binary String Has at Most One Segment of Ones - check if a binary string has at most one contiguous segment of ones. The function returns true if the ones form a single unbroken sequence; otherwise, it returns false.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-2960-count-tested-devices-after-test-operations

LeetCode Problem 2960. Count Tested Devices After Test Operations - testing devices based on their battery percentages. For each tested device, its battery percentage is decremented by 1, and the operation is propagated to subsequent devices, with the goal of determining the total number of tested devices.

java leetcode leetcode-java leetcode-solutions

Last synced: 01 Mar 2025

https://github.com/emilwijayasekara/leetcode-1108-defanging-an-ip-address

LeetCode Problem 1108. Defanging an IP Address - The task is to create a defanged version of a given IPv4 address by replacing each period "." with "[.]". The goal is to modify the address format while preserving its validity.

java leetcode leetcode-java leetcode-solutions

Last synced: 26 Nov 2025

https://github.com/saysky/leetcode

Practice makes perfect.

leetcode leetcode-java

Last synced: 01 Mar 2025

https://github.com/kaierikniermann/tech-interview-prep

This is a collection of some materials for technical interviews

algorithms dsa interview-prep leetcode

Last synced: 02 Mar 2025

https://github.com/jorgermduarte/leetcode

go golang leetcode leetcode-go leetcode-golang leetcode-solutions

Last synced: 05 Oct 2025

https://github.com/shahadathhs/leetcode-javascript

JavaScript-only LeetCode questions with solutions, explanations, and concept-based tagging.

algorithms data-structures javascript leetcode leetcode-javascript leetcode-solutions leetcode-typescript typescript

Last synced: 28 Oct 2025

https://github.com/emilwijayasekara/leetcode-1-twosum

LeetCode Problem 1.Two Sum - This repository contains my solution to the classic "Two Sum" problem from LeetCode. The problem entails finding two numbers in an array that sum up to a given target.

java leetcode leetcode-java leetcode-solutions

Last synced: 05 Oct 2025

https://github.com/cowienduckie/dsa-practice-python

Solutions for DSA practice problems using Python

dsa-practice grind75 leetcode python3

Last synced: 06 Oct 2025

https://github.com/throttle2k/leetcode_elixir

My solutions to LeetCode problems in Elixir

elixir elixir-lang leetcode leetcode-elixir

Last synced: 06 Oct 2025

https://github.com/misa-j/leetcode

my solutions to leetcode problems

algorithm algorithms data-structures leetcode

Last synced: 06 Oct 2025

https://github.com/diinvoke/leetcode

leetcode go

golang leetcode

Last synced: 14 Jan 2026

https://github.com/someoneudonknow/leetcode_js

algorithms datastructures-algorithms javascript leetcode leetcode-javascript leetcode-solutions

Last synced: 06 Oct 2025

https://github.com/prasenjitb1234/javapractice

DSA practice

dsa-practice java-8 leetcode problem-solving

Last synced: 10 Jan 2026

https://github.com/rhazra-003/my_cp_solutions

Collection of Competitive Programming questions I solved for my placement preparation!

algorithms-and-data-structures codechef codeforces competitive-programming contest-programming cpp leetcode stl

Last synced: 06 Oct 2025

https://github.com/saifiimuhammad/data-structures-algorithms

This repository contains implementations of common algorithms and Leetcode problems in C++.

algorithms cpp data-structures leetcode

Last synced: 06 Oct 2025

https://github.com/manasmalla/learning-kotlin

a series of programs in the Kotlin programming language to help learn the concepts of data structures and understand complex algorithms to solve real-time problems, following the A-Z striver sheet, provided by TakeYouForward™️.

algorithms data-structures dsa kotlin leetcode

Last synced: 06 Oct 2025

https://github.com/emilwijayasekara/leetcode-2469-convert-the-temperature

LeetCode Problem 2469. Convert the Temperature - This problem entails converting a Celsius temperature to its corresponding values in Kelvin and Fahrenheit, utilizing precise conversion formulas, and returning the results in a two-element array with specified precision.

java leetcode leetcode-java leetcode-solutions

Last synced: 06 Oct 2025