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/adriandarian/hackerrank

💻 All of my HackerRank Solutions

algorithms data-structures

Last synced: 18 Jan 2026

https://github.com/muhammed-rizin/data-structures

This repository focuses on implementing various data structures and algorithms using JavaScript. It covers a wide range of topics including, Linked List, Array, Binary Search, Linear Search, Recurtion , Sorting algorithms, Stack, Queue, Hash Table , Tree, Binary Search Tree, Heap, Graph and Trie

array binary-search-tree data-structures hashtable heap javascript linked-list queue recursion sorting-algorithms stack string tree trie

Last synced: 07 Sep 2025

https://github.com/anishlearnstocode/java-batch-10

Introductory course in Java Programming taught at @WhatAfterCollege. 🎓

algorithms course data-structures java online-course oops strings

Last synced: 18 Mar 2025

https://github.com/farhaduneci/contactbook

A simple contact book written with Python.

data-structures

Last synced: 01 Sep 2025

https://github.com/joshsizer/my-malloc

Linked-list implementation of the standard C library function “malloc.” Uses a first-fit algorithm with support for coalescing.

algorithm coalescing data-structures first-fit linked-list

Last synced: 28 Jun 2025

https://github.com/rishabh672003/hash-table-in-cpp

A very simple hash table implementation in CPP

cmake cpp cpp20 data-structures hash hash-table hashing

Last synced: 19 Aug 2025

https://github.com/denezt/working-with-pointers-and-data-structures

A beginner to advanced guide for working with pointer and data structures in C Programming Language

arrays c data-structures low-level pointers wrapper

Last synced: 26 Feb 2025

https://github.com/tan45nadim/data-structures-algorithms

A Comprehensive Repository of Data Structures and Algorithms

algorithms data-structures dsa

Last synced: 19 Aug 2025

https://github.com/ehsaniara/datastructuresamples

Computer Engineering Data Structure Samples in JAVA

data-structures java java-8

Last synced: 25 Feb 2025

https://github.com/sysread/skewheap

A fast, efficient, self-adjusting heap for Perl, implemented in C

c data-structures heap perl skew-heap xs

Last synced: 09 Jul 2025

https://github.com/yagocrispim/data_structures

A study about data structures

cpp data-structures

Last synced: 23 Mar 2025

https://github.com/kalongn/shuffle-algorithm

Shuffle Algorithm for a Spotify Playlist

bash data-structures java music node-js shuffle spotify

Last synced: 25 Aug 2025

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

This is repository that contains a Java packages with differents data structures implementation.

data-structures

Last synced: 04 Oct 2025

https://github.com/tareqalkushari/leetcode-problem-solutions

This repository contains a comprehensive collection of solutions to LeetCode problems, crafted with clarity and efficiency in mind. Each solution is written in a clean, readable format and includes insights into time and space complexity, making it an ideal resource for technical interview preparation, algorithm practice, and self-paced learning.

algorithm-practice algorithms arrays binary-search coding-interview competitive-programming cpp data-structures dynamic-programming graph-algorithms hashmap interview-preparation java leetcode leetcode-solutions problem-solving python recursion strings technical-interview

Last synced: 28 Aug 2025

https://github.com/sbueschel/go-linked

Doubly linked list for Go (with generics)

data-structures generics go golang linked-list

Last synced: 23 Jul 2025

https://github.com/d-coder135/linear_data_structures_basics_java

Introduction and basic knowledge about data structures and implementation of it in Java language.

data-structures java

Last synced: 14 Apr 2025

https://github.com/aruneshbasak/python-dsa-problems-geeksforgeeks-160-days

I will upload my daily Python DSA problems solved on GeeksforGeeks and post it here!

algorithms-and-data-structures and data data-structures dsa python python3 structure

Last synced: 08 May 2025

https://github.com/jenniferplusplus/interview-algorithms

A collection of solutions to algorithm or data structure based programming challenges I've been given during interviews recently.

algorithm-challenges algorithms algorithms-and-data-structures data-structures interview interview-practice interview-preparation interview-questions

Last synced: 18 Nov 2025

https://github.com/calcit-lang/ternary-tree.ts

TypeScript version of calcit-lang/ternary-tree

data-structures typescript

Last synced: 24 Jul 2025

https://github.com/arindas/rubix

End-to-end architecture for the representation and solution of Rubik's cube problems.

algorithm-design data-structures graph linear-time-solution novel-data-structure rubiks-cube

Last synced: 20 Aug 2025

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

another java collection library

collection data-structures java

Last synced: 12 Jan 2026

https://github.com/haseeeb21/stack-in-python

Implementing Stack in python by importing deque library, creating Class of Stack and making functions of stack implementations.

class data-structures googlecolaboratory pop push pycharm python python3 stack

Last synced: 17 Nov 2025

https://github.com/mariianikitash/data-structures-w-python

Repo with my completed data structures and algorithms questions taken from LeetCode

algorithms data-structures python3

Last synced: 05 Mar 2025

https://github.com/lsegg/javascript-algorithms-and-data-structures

Code accompanying the Udemy course JavaScript Algorithms and Data Structures Masterclass by Colt Steele

algorithms algorithms-and-data-structures colt-steele data-structures data-structures-and-algorithms javascript

Last synced: 03 Mar 2025

https://github.com/vikramgujar/logical-problem-solving

A daily updated collection of Java solutions to logical problems like arrays, strings, recursion, and more. Perfect for coding practice, interviews, and enhancing problem-solving skills.

algorithms arrays coding coding-practice competitive-programming daily-coding data-structures interview-preparation java java-exercises logical-problems problem-solving programming-challenges recursion strings

Last synced: 26 Feb 2025

https://github.com/zakariaelbouzkri/my_cses_problems_solutions

this repo contains my solutions to the University of Helsinki's "Competitive Programming" course problem set hosted on the CSES (Code Submission Evaluation System) platform. This repository serves as a showcase of my problem-solving skills and coding journey as I tackle a variety of algorithmic challenges.

algo cpp cses-problem-set-solution data-structures dynamic-programming graph-algorithms math mathematics searching-algorithms sorting-algorithms

Last synced: 27 Feb 2025

https://github.com/danitilahun/competitiveprogrammingsolutions

A comprehensive collection of code solutions for LeetCode and Codeforces problems, designed to enhance your competitive programming skills and help you tackle coding challenges with confidence.

algorithms array data-structures dynamic-programming graph kmp-algorithm linked-list matrix monotonic-stack python queue sliding-window sorting-algorithms stack tree trie two-pointers union-find

Last synced: 03 Nov 2025

https://github.com/theanujdev/dsa-python

A beginner-friendly introduction to common data structures (array, linked lists, stacks, queues, trees, graphs) and algorithms (searching, sorting, recursion, dynamic programming) in Python.

algorithms data-structures data-structures-and-algorithms dsa python python3 theanujdev

Last synced: 05 Mar 2025

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

Lab works for Data Structures

c data-structures linked-list

Last synced: 26 Dec 2025

https://github.com/abhishekmaity001/data-structures-algorithms

This Repository contains all my Data Structures & Algorithms code snippets which will help in coding interview. (All codes will be implemented in Python)

algorithms circular-linked-list data-structures doubly-linked-list linked-list python queue recursion-problem stack

Last synced: 04 Apr 2025

https://github.com/kwanhooo/pods

Practices on Data Structures

cpp data-structures data-structures-and-algorithms

Last synced: 19 Nov 2025

https://github.com/inforkgodara/insertion-sort

A single class implementation of insertion sort

data-structures inforkgodara insertion-sort java

Last synced: 20 Aug 2025

https://github.com/jilliennelapid/binarytreestorage

Project 2: An organism-storing binary tree that reads commands from input .txt, queries the data, and outputs to console and output .txt.

binary-search-tree binary-tree cpp data-structures infile-outfile txt-files

Last synced: 15 Mar 2025

https://github.com/levichu51/pro2-practica2-22-23

Práctica de la asignatura de Programación 2 de la UDC 22/23

data-structures programming udc university

Last synced: 16 May 2025

https://github.com/addytrunks/data_structures

The codes for all the lab exercises for the course CS1006T Data Structures.

cpp data-structures

Last synced: 20 Aug 2025

https://github.com/devinleamy/competitive-programming

Competitive programming archives

algorithms data-structures

Last synced: 29 Mar 2025

https://github.com/ac000/libac

A C library of miscellaneous utility functions

c data-structures freebsd geospatial json linux network-programming string-distance time

Last synced: 21 Sep 2025

https://github.com/suhas-h-c/data-structures-and-algorithms

Data structures and algorithms coded using Java 17.

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

Last synced: 28 Feb 2025

https://github.com/tristanpenman/algorithms

Code for various algorithms, data structures, and coding interview questions

algorithms data-structures

Last synced: 22 Mar 2025

https://github.com/amirhnajafiz/leetcodz

Problems and solutions to my LeetCode.

algorithms data-structures design-patterns leetcode problem-solving

Last synced: 29 Jul 2025

https://github.com/bradford-smith94/useful-c

Some useful bits of C

c data-structures

Last synced: 22 Mar 2025

https://github.com/trviph/collection

Collection is a Go library that aims to implement basic data structures such as List, Queue, Stack, Heap, and more.

data-structures go golang

Last synced: 18 Nov 2025

https://github.com/devhindo/williamfiset

Empowering WilliamFiset tutorials by summarizing videos, providing follow-up problems and adding additional resources for each video

algorithms computer-science data-structures mathematics

Last synced: 09 Jan 2026

https://github.com/abhishekmishra-17/python-programs

python programs and some algorithm based program

algorithm data-structures python python-programs

Last synced: 18 Feb 2026

https://github.com/0x484558/fairqueue

Spatially distancing fair queue

data-structures fairness no-std queue round-robin stack

Last synced: 21 Feb 2026

https://github.com/emanoelcampos/java-data-structures-algorithms

Atividades e exercícios desenvolvidos no curso de Estrutura de Dados e Algoritmos com Java da orientadora Loiane Groner

algorithms algoritmos data-structures estrutura-de-dados java loiane loiane-groner

Last synced: 05 Nov 2025

https://github.com/devdrops/php-ds

:computer: PHP data structures

data-structures php spl

Last synced: 30 Mar 2025

https://github.com/luckykk273/computerscience

Include examples of data structures, sorting algorithms and design patterns.

computer-science data-structures design-patterns sorting-algorithms

Last synced: 14 May 2025

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

A collection of Algorithms and Data Structures written in Java

algorithms data-structures java

Last synced: 13 Aug 2025

https://github.com/buzzybis/a-ds

Lecture notes and exercises on algorithms and data structures. Source material is A&DS from Pavel Marvin for the ITMO university.

algorithm algorithms-and-data-structures course data-structures data-structures-and-algorithms learn learning typst

Last synced: 18 Jun 2025

https://github.com/andronovo-bit/hybridcachelibrary

HybridCacheLibrary - A high-performance, thread-safe caching library in C#, combining the strengths of both LRU and LFU cache eviction strategies. Perfect for managing dynamically sized caches with customizable frequency settings.

cache caching csharp data-structures dotnet hybrid-cache lfu lru memory-management performance software-library thread-safe

Last synced: 03 Mar 2025

https://github.com/faresbakhit/cp

competitive programming ⚔️ resources and notes 🤺

algorithms competitive-programming cpp data-structures problem-solving

Last synced: 22 Mar 2025

https://github.com/guibrandt/mc202

Implementação dos laboratórios de MC202 no segundo semestre de 2020 na Unicamp

data-structures mc202 unicamp

Last synced: 28 Feb 2025

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

This repository contains implementations of various fundamental data structures written in Java. Each implementation is designed from scratch, avoiding the use of Java's built-in data structure libraries, to reinforce a deeper understanding of how they work internally.

algorithms data-structures java

Last synced: 05 Apr 2025

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

📖 Problem Solution Archives.

algorithms data-structures problem-solving

Last synced: 14 May 2025

https://github.com/quytelda/focs

Functional Open C Structures - C Data Structures Library

c data-structures focs functional libfocs

Last synced: 12 Nov 2025

https://github.com/valentinnsoare/structcraftlib

Java library with custom data structures made with customization benefits and performance in mind.

arraylist binary-search binary-search-tree data-structures design-patterns hashtable heap java library linked-list performance queue sorting-algorithms stack

Last synced: 23 Mar 2025

https://github.com/pranit2001/cp-

competitive programming guide

algorithms c-plus-plus data-structures maths

Last synced: 29 Jun 2025

https://github.com/priyakdey/algodex

Algodex is a comprehensive collection of Data Structures and Algorithms (DSA) resources, solutions, and notes.

algoexpert algorithms algorithms-and-data-structures data-structures interview-preparation leetcode neetcode workattech

Last synced: 02 Aug 2025

https://github.com/rahulkp220/algorithms-datastructure-refresher

A repo dedicated to refresh my algorithms and data structure knowledge.

algorithms data-structures golang julialang python3

Last synced: 30 Mar 2025

https://github.com/tarball0/data-structures-notes

Repo to help with Data Structures and Algorithms

algorithms data-structures

Last synced: 21 Feb 2026

https://github.com/genesisblock3301/data-structure-and-algorithm

I have been solving here Data structure and Algorithm problem in different online judge like Hackerrank, Leetcode etc.

algorithms data-structures math python3

Last synced: 26 Feb 2025

https://github.com/sasha-hk/cpp

🏔️ Basic algorithms and data structures on cpp

algorithms cpp data-structures

Last synced: 01 Aug 2025

https://github.com/krypt0nn/table

Библиотека реализации таблиц данных на PHP 7.4

data-structures php

Last synced: 24 Feb 2025

https://github.com/floressek/hanoi_tower

Some coding for Data Structures and Algorythms

data-structures hanoi-towers

Last synced: 05 Apr 2025

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

There are some data structure implemented by PHP.

data-structure data-structures ds

Last synced: 22 Mar 2025

https://github.com/manu-sh/my_collections

A collection of generics data structures (WIP)

c data-structures generics wip

Last synced: 14 Aug 2025

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

An educational collection of self-implemented popular algorithms and data-structures using C++.

algorithms c-plus-plus data-structures

Last synced: 26 Feb 2025

https://github.com/gotz1480/data-structures-python

Basic data structures implementations in Python

data-structures data-structures-python

Last synced: 07 Apr 2025

https://github.com/dan-sazonov/theorems-and-problems

🎓(RU) Решения задач из книги А. Шеня "Программирование: теоремы и задачи"

algorithms algorithms-and-data-structures data-structures education learn olympiad-in-informatics olympics

Last synced: 04 Apr 2025

https://github.com/akarimin/algs0

Algorithms Instructed by Dr. Robert Sedgewick

algorithms data-structures search sort tree union-find

Last synced: 07 Apr 2025

https://github.com/sebastienrousseau/cmn

A Rust library for accessing a collection of mathematical and cryptographic constants

avogadro boltzmann constants cryptography data-structures development-tools euler gamma golden-ratio hash mathematics pi planck rust silver-ratio squareroot tau

Last synced: 28 Mar 2025

https://github.com/sureshsundriyal/rcu-cache

A FIFO cache implementation in Python with lock-free reads.

cache data-structures fifo-cache lock-free-reads python rcu rcu-cache

Last synced: 23 Mar 2025

https://github.com/i-umairkhan/big-integers

A big integer calculator for solving calculaitons of big numbers

biginteger cpp data-structures

Last synced: 05 Mar 2025

https://github.com/jcalmcrasher/hackerrank-challenges

My algo solutions (mostly hackerrank challenges)

algorithms data-structures typescript

Last synced: 02 Sep 2025

https://github.com/denizkarya1999/dsa_practice_with_x27

Practice Data Structures and Algorithms for better software engineering

algorithms coding-interviews computer-science data-structures self-practice

Last synced: 02 Sep 2025