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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/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/jaskaransinghbhalla/iitd-col106

Data Structures & Algorithms course at IIT Delhi | Assignments

algorithms data-structures

Last synced: 28 Jun 2025

https://github.com/cassxw/leetcode-practice

My daily Leetcode practice repository, featuring solved problems, categorised solutions, and a structured roadmap for mastering data structures and algorithms.

algorithms coding-challenges competitive-programming data-structures dsa java leetcode leetcode-java leetcode-python leetcode-solutions problem-solving python

Last synced: 30 Apr 2026

https://github.com/windjammer6/12.-data-structures-and-algorithms-learning-and-practice-python

My learning journey of Data Structures and Algorithms in Python

algorithms data-structures python

Last synced: 24 Mar 2025

https://github.com/tmzane/leetcode

✍️ My LeetCode solutions written in Go

algorithms data-structures go leetcode

Last synced: 20 Apr 2025

https://github.com/ibrahimhiarea/acm

The Algorithms & Data Structures Repository is a comprehensive collection of fundamental algorithms, data structures, and computational techniques. This repository provides a valuable resource for studying and implementing essential concepts in software development.

algorithms data-structures icpc problem-solving

Last synced: 26 Jan 2026

https://github.com/at1as/hash_array_utils

Supercharge Ruby's Array and Hash classes

array data-structures hash monkey-patch ruby

Last synced: 22 Nov 2025

https://github.com/thenocturnaldevgypsy-io/duskgrimoires-java-lab-exercises

DuskGrimoires : Java library/source codes that I've coded and used for lecturing CS/IT subjects and topics during my career as Assistant Professor for BSCS, BSIT and BSCOE way back late 2012 to 2015 (on-going retrieving the codes and rearranging the repo) . You like the Repo? Don't forget to 🌟, 👁️, 🔱 and ❤️

algorithms algorithms-and-data-structures computer-science computer-science-algorithms computer-science-data-structures computer-science-education data-structures data-structures-and-algorithms duskgrimoires java programming programming-exercises thenocturnaldevgypsy thenocturnaldevgypsy-io

Last synced: 26 Feb 2025

https://github.com/anindya-prithvi/dsa-sem2plus

Nothing impressive here, just thousands of lines of code trying to solve problems manually implementing data structures and algorithms.

algorithms data-structures

Last synced: 28 May 2026

https://github.com/lithika-damnod/algorithms

C++ Algorithms & Data Structures

algorithms cpp data-structures graph

Last synced: 24 Mar 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: 06 May 2026

https://github.com/pal-96/multiparty-healthcare-ecosystem-app

A multiparty healthcare ecosystem that unifies sports, health training, nutrition and pharmaceutical enterprises. It enables seamless collaboration between Super Admin, Enterprise Admins, Customers, Trainers, Nutritionists and Suppliers through real time information exchange, role-based access control and data analytics dashboards.

arraylist-java bcrypt-hashing-library csv csv-parser data-structures enum hashmap-java java jcalendar jfreechart-library netbeans object-oriented-programming rbac-configuration swing-api swing-application

Last synced: 23 Nov 2025

https://github.com/guangie88/stackie

Contains stack allocated data structures.

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

Last synced: 06 Jun 2026

https://github.com/kelcisayshello/algorithms

collection of data structures and algorithms problem solutions in Python

algorithms data-structures data-structures-and-algorithms python

Last synced: 20 Mar 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/naveenrajm7/py-algo-ds

Algorithms and Data Structures in Python

algorithms data-structures python

Last synced: 24 Apr 2026

https://github.com/lucas54neves/gcc216-data_structures

Repository for the activities of the discipline of Data Structures of the course of Computer Science of the Federal University of Lavras

algorithms cplusplus cpp data-structures ufla

Last synced: 28 May 2026

https://github.com/rabirabirara/roulette-tree

A red-black tree implemented in Rust.

data-structures rust

Last synced: 24 Mar 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/abdo-essam/merge-sort

Merge Sort - Data Structures

data-structures merge-sort sorting-algorithms

Last synced: 03 Sep 2025

https://github.com/asheemrahman/data-structure-and-algorithms

This repository contains a collection of Data Structures and Algorithms implemented in JavaScript. The goal of this repository is to provide a comprehensive guide to learning, understanding, and practicing fundamental data structures and algorithms.

data-structures data-structures-and-algorithms javascript questions questions-and-answers

Last synced: 03 Mar 2025

https://github.com/asintotoo/c-collections

Data Structures for C

c collections data-structures

Last synced: 16 Mar 2025

https://github.com/donghl-dev/study-problem_solving

문제해결기법 수업에 대한 내용 및 정리 저장소

algorithm data-structures jdk8 problem-solving

Last synced: 30 Mar 2025

https://github.com/animesh-sh/dsa-prep

Leetcode • Hackerrank • Problem Solving • DSA

algorithms data-structures dsa hackerrank leetcode

Last synced: 01 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/arkeasz/leetcode

A collection of my solutions to LeetCode problems

algorithms data-structures javascript leetcode python rust

Last synced: 12 Apr 2026

https://github.com/satya-supercluster/geeksforgeeks

This repository serves as a collection of my solutions to various GeeksforGeeks DSA problems.

cpp data-structures data-structures-and-algorithms dsa

Last synced: 01 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: 13 Jun 2026

https://github.com/suhas882/doubly-linkedlist

Doubly Linked List GUI Manager is a Python Tkinter-based application for managing a Doubly Linked List (DLL). Users can insert, delete, and traverse the list with a visual interface. It supports adding/removing nodes at different positions and displays real-time updates. Ideal for learning DLL concepts interactively.

data-structures doubly-linked-list gui-application linked-list oop python tkinter visualization

Last synced: 25 Oct 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/thegirlsynth/binary_trees

This is a project on Binary Trees.

algorithms data-structures

Last synced: 08 Dec 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/ganeshjadhavongithub/students-data-c

A CLI (Command Line Interface) program written in C for managing student data (Roll No, Name, Marks). Users can perform CRUD operations and print records. The program utilizes linked lists for in-memory operations and file for persistent data storage.

c c-programming crud crud-application crud-operations crud-sample data-structures data-structures-and-algorithms dsa file file-handling file-handling-in-c files linked-list students-data students-database students-project

Last synced: 18 Jan 2026

https://github.com/dyna-bytes/data-structure-and-algorithm

[KECE208] Data Structure and Algorithm, Korea Univ.

algorithms data-structures

Last synced: 25 Mar 2025

https://github.com/janeberry/hangman

Classic Hangman Game

data-structures linked-list lists

Last synced: 26 May 2026

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

https://github.com/claudemuller/hashtable.c

A hash table implementation in C

c data-structures hashmap hashtable

Last synced: 08 Apr 2025

https://github.com/cariad/nvalues

Python package for working with n-dimensional volumes of data

data-science data-structures python

Last synced: 28 Mar 2025

https://github.com/onmax/dyna

Dynamic data structures in C.

c data-structures dynamic-data-structure

Last synced: 24 Mar 2025

https://github.com/kacper0199/snake-solver

This snake game solver is represented by an undirected graph and the Hamiltonian Cycle algorithm that generates path visiting each vertex exactly once. This approach ensures that the snake will never collide and maximum score will be achieved.

algorithms data-structures hamiltonian-cycles pygame python snake-game

Last synced: 25 Mar 2025

https://github.com/joakimteixeira/student-registration

Student registration console program

c data-structures

Last synced: 29 May 2026

https://github.com/gauravdhoot2608/search_engine

This assignment builds a basic data structure underlying search engines - an inverted index, to answer some simple search queries.

avl-tree data-structures hashmap inverted-index java linked-list object-oriented-programming search-engine

Last synced: 16 Mar 2025

https://github.com/mellkam/wszib

Archive of my work during my studies at https://wszib.edu.pl

algorithms data-structures study

Last synced: 03 Jul 2025

https://github.com/tarek-bohdima/exchangerates

Currency-exchange Android app rebuilt as an interview-prep showcase for graph algorithms (BFS / Dijkstra / Bellman-Ford / Floyd-Warshall + arbitrage detection), Union-Find reachability, and Gang of Four design patterns — Kotlin 2.1, Jetpack Compose Material 3, Hilt.

algorithms android bellman-ford clean-architecture coroutines data-structures design-patterns dijkstra exchange-rates floyd-warshall graph-algorithms hilt interview-preparation jetpack-compose kotlin ksp material3 mvvm-architecture retrofit2 union-find

Last synced: 29 May 2026

https://github.com/harrisonhoward/data-structures-and-algorithms

My implementation of common data structures and algorithms in JavaScript

algorithms algorithms-and-data-structures data-structures data-structures-and-algorithms

Last synced: 23 Apr 2025

https://github.com/nouranhaitham/competitve_programming_reference

A collection of competitive programming templates and C++ solutions for number theory, graph algorithms, and various challenges.

algorithms codeforces competitive-programming cplusplus data-structures number-theory solutions

Last synced: 04 Jan 2026

https://github.com/arindal1/blind75-proelevate

This Blind 75 DSA sheet from LeetCode contains all the important DSA questions and is designed for quick interview preparation.

algorithms cpp data-structures dsa leetcode leetcode-cpp leetcode-solutions problem-solving

Last synced: 09 Apr 2025

https://github.com/princeinscripts/leetcode-question

A repository containing solutions to LeetCode questions focused on Data Structures and Algorithms (DSA), aiding in practicing and mastering key concepts in computer science.

algorithms computer-science data-structures leetcode practice-repository programming

Last synced: 04 Sep 2025

https://github.com/brevex/binary-search-tree

A binary search tree made in Java that manipulates integer values.

algorithm binary-search-tree computer-science data-structures java

Last synced: 12 Jun 2025

https://github.com/aryantyagi1/brutetooptimal-200-dsa-solutions

This repository contains 200 solved DSA problems in Java, each featuring both brute force and optimal solutions in the same file. Designed for learners and practitioners, it serves as a reference to understand different approaches to problem-solving, compare solution efficiencies, and prepare for coding interviews

data-structures dsa-algorithm java

Last synced: 24 Mar 2025

https://github.com/haunt98/panda-go

Contains simple data structure

data-structures go golang golang-library golang-package

Last synced: 23 Apr 2025

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

Demystifying Data Structures Notes by Brook Riggio, 2022 CascadiaJS.

data-structures notes

Last synced: 28 Feb 2025

https://github.com/jacksonchen1998/data-structure-algorithm

Data Structure and Algorithm for beginner

algorithm c-plus-plus data-structures python3

Last synced: 29 Apr 2026

https://github.com/lccodder/linkedlist-ts

Default linked list implementation written on TypeScript

data-structures linked-list typescript

Last synced: 21 Mar 2025

https://github.com/manuelescrig/algorithms

A collection of coding interviewing problems in Java.

algorithms data-structures java

Last synced: 10 Mar 2025

https://github.com/yapeansa/arvore_binaria

Um estudo sobre árvore binária

binary-tree c data-structures

Last synced: 01 Apr 2025

https://github.com/fabiokleis/estruturas_de_dados2

Estruturas de dados 2, linguagem C, estudo de complexidade de algoritmo, análise empírica e assintótica, árvores binárias e percurso..

algorithms avl-tree b-tree binary-search-tree binary-trees breadth-first-search c complexity data-structures depth-first-search graph-algorithms hash-table heap heap-sort priority-queue

Last synced: 09 Apr 2025

https://github.com/bhargav-joshi/ds-algo

Different Companies Solutions of problems solved by me and some practice of coding & DSA Problems are in this repo.

algorithms data-structures

Last synced: 09 Apr 2025

https://github.com/khasherdenekb/freecodecamp-task

Freecodecamp certification tasks

algorithms data-structures javascript

Last synced: 28 Feb 2025

https://github.com/dbc2201/sample-atm-interface

Sample Interface example for understanding ADTs in Data Structures.

adt data-structures java object-oriented-programming

Last synced: 12 Jun 2025

https://github.com/mkwapisz2000/cpp-data-structures-comparison

The project aims to compare different data structures, including: Singly Linked List , Singly Linked List with Head and Tail, Doubly Linked List, Dynamic Array

algorithm-analysis cpp data-structures dynamic-array linked-list performance-testing

Last synced: 12 Jun 2025

https://github.com/liwnn/skiplist

A fast skip list implementation for Go

algorithm data-structures go golang skiplist

Last synced: 08 Jun 2026

https://github.com/mxagar/python_software_engineering

This repository contains a guide of Python tailored to professional Software Engineering, covering aspects like Data Structures, Algorithms, Design Patterns & Co.

algorithms data-structures design-patterns python software-architecture software-engineering

Last synced: 12 Apr 2026

https://github.com/divyanshu-rawat/js-challenge

A Javscript programming Question having constraints of time and space.

data-structures javscript programming-challenges space-complexity time-complexity

Last synced: 09 Apr 2025

Data structures Awesome Lists
awesome-leetcode-resources 65 best-of-python 684 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 Algorithms-and-Data-Structures 47 Data-Structures-Algorithms-Python 80 awesome-interview 74 data-structures-in-open-source 31 awesome-nodejs-pure-js 96 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 147 Database 128 Web Frameworks 106 Third-party APIs 105 Miscellaneous 101 ✅ Algorithms 97 Exercises 92 Testing 89 Networking 88 Websites 88 Command Line 87 Data Pipelines & Streaming 85 ✅ Data Structures 83 Configuration 83 命令行工具 80 Data Structures and Algorithms 76 Machine Learning 75