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An open API service indexing awesome lists of open source software.

Data structures

A data structure is a particular way storing and organizing data in a computer for efficient access and modification. Data structures are designed for a specific purpose. Examples include arrays, linked lists, and classes.

https://github.com/didogrigorov/hackerrank-python

A collection of Python solutions to HackerRank problems, organized by difficulty (Easy, Medium, Hard) and category (Algorithms, Data Structures, Mathematics). Ideal for learning, practicing, and mastering Python programming and problem-solving skills.

algorithms-and-data-structures coding-challenge coding-challenges coding-interviews data-structures hackerrank hackerrank-solutions problem-solving problem-solving-algorithms problemsolving programming python-3 python3

Last synced: 02 Sep 2025

https://github.com/sajalkmr/dslab

Data Structures Lab – BCSL305 VTU

data-structures vtu

Last synced: 15 Mar 2025

https://github.com/christosgalano/data-structures

A header-only C++ library containing implementations of various data structures.

cmake cpp data-structures github-actions gtest

Last synced: 10 Mar 2026

https://github.com/kenych/fraud-detector

The application is fed with authentication log record which contains IP address, datetime, authentication result(OK or FAIL) and username. The sole reason of this application is to practice and demonstrate in-memory cache, concurrency features and how to test concurrent application in java.

concurrency data-structures in-memory-caching java java8

Last synced: 21 Nov 2025

https://github.com/rurangiza/dsa

Exploring data structures and algorithms

algorithms cracking-the-coding-interview data-structures leetcode

Last synced: 18 Mar 2025

https://github.com/lucashnss/if686-programming-languages-paradigms-functional

This repository is for lists, exercises, data structures and more in the programming-languages-paradigms course (IF686) in CIN-UFPE learning Haskell, a function language.

data-structures functional-programming haskell

Last synced: 10 Jan 2026

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

My personal solutions to a variety of programming challenges and problems from platforms like LeetCode, Codewars, HackerRank, and others.

algorithms codeforces codewars data-structures hackerrank javascript kata math object-oriented-programming

Last synced: 08 Apr 2025

https://github.com/ndeta100/data-structure-java

Algorithms and data structures in java practice

data-structures java jdk jvm

Last synced: 11 Apr 2025

https://github.com/alexzgut/data_structures_and_algorithms

This repository is dedicated to my journey in mastering data structures and algorithms. The goal is to strengthen my problem-solving skills, gain a deeper understanding of different data structures, and prepare for coding interviews.

algorithms arrays data-structures data-structures-and-algorithms java linked-list priority-queue queues stacks

Last synced: 16 Mar 2025

https://github.com/kanavgoyal898/queensgambit

QueensGambit is a Python-based chess engine using the Minimax algorithm with alpha-beta pruning to make optimal moves. It incorporates piece values inspired by AlphaZero and an entropy-based evaluation for dynamic gameplay. The engine supports both human-AI and AI-AI matches.

algorithms chess chess-engine data-structures game-development minimax-algorithm python research-implementation

Last synced: 02 Jul 2025

https://github.com/sanchariii/ip-address

The main objective of this project is to make an algorithm that can search through data as fast as possible. This project is an implementation of data structures.

c-programming data-structures tree-structure

Last synced: 31 Aug 2025

https://github.com/skudriashev/data-structures

Python Data Structures implementation examples

data-structures python

Last synced: 24 Mar 2025

https://github.com/bam-j/algorithm-study

블로그 알고리즘 정리 포스트 코드 수록 + 코딩 테스트 코드 수록

algorithm data-structures javascript

Last synced: 31 Mar 2025

https://github.com/myselfakashagarwal/javase

HolyGrail ☕️ DataStructuresFromScratch with different unusual brain edging algo ; beats 100% in linked list implementations from scratch on leetcode

algo data-structures java-se

Last synced: 16 Mar 2025

https://github.com/mayankgupta-dev08/dsa-practice

my solutions to many dsa questions using Java

algorithms data-structures java practice

Last synced: 06 Apr 2025

https://github.com/0xsirsaif/problem-solving

Solutions of various coding/algorithmic problems solved in multiple languages and from various sources such as books, Coding Challenge Websites..etc

acm-icpc algorithms data-structures problem-solving

Last synced: 31 Mar 2025

https://github.com/mr-won/data-structure

데이터구조 학습 정리입니다.

data-structure data-structures

Last synced: 30 Mar 2025

https://github.com/hsins/daily-coding-problem

🗓️ Solutions to the problems from Daily Coding Problem. You can subscribe to that service and it would send a coding task to you every day for practicing and enhancing your problem-solving ability.

coding-interviews daily-coding-problem data-structures data-structures-and-algorithms

Last synced: 05 Mar 2025

https://github.com/windjammer6/13.-common-data-structure-implementations-python

A compilation of various common Data Structure implementations in Python

data-structures python

Last synced: 24 Mar 2025

https://github.com/sane-aalam/strivers-atoz-sheet

This course is made for people who want to learn DSA from A to Z for free in a well-organized and structured manner.

algorithms atoz-sheet atozsheet coding data-structures dsa-questions dsa-sheet gfg github google leetcode leetcode-soltuions programming solution strivers-sde-sheet

Last synced: 16 Mar 2025

https://github.com/whitedodo/datastructure2

Horowitz의 C++ 자료구조(Horowitz's C ++ Data Structure)

c cpp data-structures java

Last synced: 07 Nov 2025

https://github.com/povilasb/rust-playground

Various small Rust demos

algorithms data-structures rust

Last synced: 18 Mar 2025

https://github.com/make-github-pseudonymous-again/js-collections-namedtuple

:bookmark: Python's namedtuple data structure for JavaScript

agpl collections data-structures javascript namedtuple

Last synced: 26 Dec 2025

https://github.com/mun1r0b0t/c-development-kit

A collection of simple datastructures in C

data-structures library

Last synced: 11 Jun 2025

https://github.com/drcbeatz/python-algorithms-and-datastructures

Easy to understand implementations of popular algorithms and data structures in Python, with tests using Pytest & CI with Github Actions.

algorithms continuous-integration data-structures github-actions pipenv pytest python type-hints

Last synced: 23 Nov 2025

https://github.com/gcsecsey/leetcode

Solutions for the LeetCode problems I've encountered.

algorithms data-structures leetcode leetcode-solutions

Last synced: 16 Mar 2025

https://github.com/vanajmoorthy/dsanda

⚙ Some simple data structures & algorithms practice.

algorithms data-structures javascript

Last synced: 26 Dec 2025

https://github.com/azevedo-erick/a1-ds

Primeira avaliação da disciplina de estruturas de dados ministrada pelo professor Silvano Malfatti, foi implementado um jogo de blackjack.

blackjack data-structures java

Last synced: 12 Apr 2025

https://github.com/guangie88/stackie

Contains stack allocated data structures.

cpp cpp-14 cpp-library data-structures stack stack-based string

Last synced: 24 Nov 2025

https://github.com/almayor/data_structures

Polymorphic data structures and associated algorithms in C. Probably don't use.

21school 42school c data-structures polymorphism

Last synced: 18 Jun 2025

https://github.com/mroth/orderedmap

:ant: ordered map implementation for Go

data-structures go golang

Last synced: 24 Nov 2025

https://github.com/avanishd-3/data-structures

Implementations of various data structures

cplusplus data-structures zig

Last synced: 24 Mar 2025

https://github.com/first-coding/data-structure

This DataStructure warehouse is used to learn for me.

c cpp data-structures

Last synced: 26 Nov 2025

https://github.com/leosimoes/uerj-estruturas-de-dados-i

Trabalho desenvolvido na disciplina de Algoritmos e Estruturas de Dados no período 2014.1. Implementação das estruturas de dados do tipo Lista, Pilha, Fila e Deque de formas encadeadas e sequenciais.

cpp data-structures deque list queue stack

Last synced: 24 Mar 2025

https://github.com/kevinlin1/deques

An introduction to data structures and algorithm analysis through a comparison of double-ended queue implementations.

data-structures deque education queue stack

Last synced: 08 Apr 2025

https://github.com/charmoniumq/algo

Algorithms that I implement for fun

automata data-structures

Last synced: 11 Feb 2026

https://github.com/rudxain/posix-sh-algos

Algorithms implemented in POSIX-compliant shell scripts

algorithms computer-science data-structures educational functions posix

Last synced: 28 Dec 2025

https://github.com/ytakzk/basic_data_structures_and_algorithms_in_python

A collection of snippets of basic data structures and algorithms written in Python.

algorithms computational-geometry data-structures geometry graph-algorithms

Last synced: 03 Sep 2025

https://github.com/gossiperloturot/typemap

Typemap provides unique type key and value pair.

data-structures rust

Last synced: 03 Jul 2025

https://github.com/soodaayush/cs50x-2024

A collection of all my CS50x 2024 Problem Set solutions.

ai algorithms c data-structures flask html-css-javascript python scratch sql

Last synced: 24 Mar 2025

https://github.com/cidm-ph/distmat

Distance matrix data types and file formats for Rust

bioinformatics data-structures distance-matrix

Last synced: 03 Sep 2025

https://github.com/momen-alshouha/data-structure-doubly-linked-list

This repository contains C++ implementation of a doubly linked list using object-oriented programming principles. It includes classes for nodes, iterators, and the linked list itself, providing essential functionalities such as insertion, deletion, traversal, and more.

classes-and-objects cpp data-structures doubly-linked-list linked-list object-detection object-oriented-programming

Last synced: 27 Feb 2025

https://github.com/bieelogrom/convertervaloresdecimaisparabinarios

Programa que converte número decimal em binário utilizando o conceito de pilhas em Java.

data-structures java pilha stack

Last synced: 24 Mar 2025

https://github.com/ewliang/javascript-algorithms

Contains a list of common CS algorithms, but implemented using mostly plain old Vanilla JavaScript

algorithms computer-science data-structures javascript search-algorithms sorting-algorithms

Last synced: 24 Jul 2025

https://github.com/donghl-dev/practices-datastructure

자료구조 이해 및 구현과 테스트 코드 작성 연습.

data-structures gradle jdk12 junit4 tdd

Last synced: 25 Oct 2025

https://github.com/itsmunim/python-playground

Where all the python trash ends up

algorithm data-structures python

Last synced: 14 Mar 2025

https://github.com/mohamedwelteir/infix-to-postfix--expression-evaluator

This project is for converting mathematical expression from infix to postfix as well as evaluating the expression.

data-structures java

Last synced: 26 Feb 2025

https://github.com/f-ca7/cpp_datastructure

data structure learning

c-plus-plus data-structures learning

Last synced: 22 Feb 2025

https://github.com/milanh34/gfg-160-days-dsa-challenge

🚀 Currently solving the GFG 160 Days DSA Challenge with Java — committing one problem a day, complete with clean solutions and markdown explanations. This is a live repository that's constantly evolving as I progress through the challenge. Follow along or fork it to start your own grind! 💻🔥

algorithms competitive-programming data-structure-and-algorithm data-structure-java data-structures data-structures-algorithms data-structures-and-algorithms dsa dsa-java geeksforgeeks-dsa geeksforgeeks-java geeksforgeeks-practice geeksforgeeks-solutions gfg-160 gfg-java gfg-practice gfg-questions gfg-solutions java solutions

Last synced: 22 Apr 2025

https://github.com/mahmudmridul/leetcodesolutions

LeetCode problems solution and data structures implemented in python and C#

algorithms csharp data-structures leetcode-solutions problem-solving python sql

Last synced: 02 Apr 2025

https://github.com/amrmabdelazeem/data-structure

Data structure and algorithms

data-structures python

Last synced: 11 Jun 2025

https://github.com/dheavy/struqt

Implementation of several common data structures in Javascript.

data-structures datastructures javascript linked-list

Last synced: 02 Apr 2025

https://github.com/gustavoestevesr/sistema-de-vendas-completo

Sistema de vendas completo! Funções de cadastro, consulta, listagem, realizar venda, relatório por período.

clean-code data-structures date date-time-format design-patterns encapsulation java lamba oriented-object-programming

Last synced: 14 Jul 2025

https://github.com/miladsade96/ds_algo_code_snippets

Python Data Structures and Algorithms Code Snippets

algorithms data-structures python python3 snippets

Last synced: 03 Jul 2025

https://github.com/madhvi-n/leetcode-python

Collection of Leetcode questions solved using Python! Created using LeetHub

algorithms data-structures leetcode-python problem-solving python3

Last synced: 08 Apr 2025

https://github.com/rafalkornel/algorithms_data_structures

Repository with TS implementation of common algorithms and data structures

algorithms algorithms-and-data-structures data-structures

Last synced: 08 Apr 2025

https://github.com/jayantasamaddar/algorithms

Data Structures and Algorithm challenges done at various challenge sites like hackerrank, leetcode, freecodecamp, codewars etc.

algorithms codewars data-structures freecodecamp hackerrank javascript leetcode

Last synced: 27 Feb 2025

https://github.com/nkcoder/dsa-space

All data structure and algorithm practice.

algorithms data-structures leetcode

Last synced: 04 Sep 2025

https://github.com/foldermaster/datastructurecpplabworks

Lab works in C++ language about data structures.

completed console cplusplus data-structures

Last synced: 28 Mar 2025

https://github.com/sushantjadhav416/dsa_and_competitive_programs

This repository contains programs related to Data Structures and Algorithms (DSA) and competitive programming

algorithm-challenges algorithms data-structures dsalgo-questions maang-preparation programming-exercises

Last synced: 30 Jul 2025

https://github.com/ritik-gupta/dsa-450

Solutions of 450 DSA questions by Love Babbar

c cpp data-structures dsa dsa-algorithm

Last synced: 11 Jun 2025

https://github.com/joshludahl/algorithms

A repository to host various algorithms and problems from different languages.

algorithms algorithms-and-data-structures codesignal data-structures leetcode practice

Last synced: 01 Apr 2025

https://github.com/fl03/ndtensor

ndtensor is designed to be a flexible and powerful tensor library for Rust

data-structures ndarray rust tensor

Last synced: 06 Jan 2026

https://github.com/nairuzabulhul/leetcode

LeetCode problems in Python -- Algorithms & DS

algorthims data-structures python

Last synced: 26 Nov 2025

https://github.com/ozmap/technical-assessment

Technical assessment for the position of software engineer at DevOZ.

assessment-project challenge data-structures restful-api typescript

Last synced: 14 Apr 2025

https://github.com/first-coding/datastruct-ubuntu

This is my DataStruct Repositories for Ubuntu.

c data-structures

Last synced: 26 Nov 2025

https://github.com/snjlee58/datastructures-snu2022

[Assignment Source Codes & Scores] SNU CSE M1522.000900 Data Structures (자료구조) by Prof. Byeong Ro Moon (문병로 교수님), 2022 Spring Semester.

assignment cse data-structures java snu solutions

Last synced: 16 Mar 2025

https://github.com/ifeelgarv/gfg-python-dsa-bootcamp

📍This repos contains all the topics of DSA using Python Language.🚀 Explore Python with codes, notes, and explanations.

data-structures oops-in-python python

Last synced: 11 Jun 2025

Data structures Awesome Lists
awesome-leetcode-resources 79 best-of-python 715 competitive-programming 97 Awesome-CS-OpenCourse 184 awesome-leetcode 299 awesome-python-resources 1,490 awesome-interview-algorithms 800 You-Dont-Know-X 52 awesome-go 2,668 awesome-dsa 109 Data-Structures-Algorithms-Python 80 Algorithms-and-Data-Structures 47 data-structures-in-open-source 31 awesome-nodejs-pure-js 96 awesome-interview 74 practice-python-programming-projects 95 data-engineering-collection 678 c-free-tutorials 37 python-workshop-7 66 free-data-structures-resources 117
Data structures Categories
🧠 Big Tech Algorithm Questions 288 Utilities 174 Software Packages 154 Database Clients 144 Database 130 Web Frameworks 107 Third-party APIs 105 Miscellaneous 101 ✅ Algorithms 97 Exercises 92 Testing 89 Networking 89 Command Line 87 Websites 86 Configuration 83 ✅ Data Structures 83 Data Pipelines & Streaming 82 命令行工具 80 Data Structures and Algorithms 76 Machine Learning 75