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/rockchalkwushock/dsa-notes

Notes from Data Structure & Algorithm tutorials.

algorithms data-structures

Last synced: 27 Jan 2026

https://github.com/jyun-neng/data_structure

Data structure practice using c++

data-structures

Last synced: 12 Apr 2025

https://github.com/jbkuczma/algo

Repo of algorithms, data structures, CTCI, etc.

algorithms cracking-the-coding-interview data-structures

Last synced: 10 Jun 2026

https://github.com/gozdesaygiliyalcin/algorithm-and-data-structures-examples

This repo includes some basic examples which are insertion, binary search tree and merge sort.

basic-algorithms binary-search-tree data-structures insertion-sort merge-sort

Last synced: 27 Jan 2026

https://github.com/ashottadevosyan/cpp-learning-hub

This repository contains C++ tutorials on different topics. From implementing my own data structures, such as vector, linked list to other algorithms.

algorithms cpp data-structures

Last synced: 08 Apr 2025

https://github.com/ososuna/matchmaking-lol

🕹️ Matchmaking algorithm for solo queue rankeds in League of Legends

data-structures league-of-legends machine-learning python

Last synced: 14 Apr 2026

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/mohammed-majid/task-manager

To-do list web app that organizes data using a heap data structure

data-structures graph heap

Last synced: 16 Oct 2025

https://github.com/a7mdfre7at/masterly.nonemptylist

A simple and lightweight implementation of a non-empty list in C#, inspired by Scala's List, that ensures a collection always has at least one item. This helps in reducing null-related bugs and ensures safe operations on collections with at least one element.

a7mdfre7at csharp data-structures dotnet dotnet-core functional-programming list masterly non-empty non-empty-collections scala-list-like

Last synced: 07 Jan 2026

https://github.com/ryansakurai/huffman-coding

Project that turns text into code using Huffman Coding, based on an Advanced Data Structures exercise.

compression data-structures java

Last synced: 16 Oct 2025

https://github.com/alexandrbig1/goit-sql-hw-04

This repository houses my third homework assignment for the SQL module, focusing on DML and DDL commands. Explore data manipulation and database structure definitions through practical exercises.

computerscience data-structures database ddl-commands dml-commands softwareengineer sql

Last synced: 02 Jul 2025

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

Code snippets from "The Ultimate Data Structures & Algorithms", a course by Code with Mosh.

algorithms algorithms-and-data-structures data-structures python python3

Last synced: 15 Mar 2025

https://github.com/yasinpalash/dsa

This repository is dedicated to Data Structures and Algorithms (DSA)

algorithms array dart data-structures dsa dynamic-programming problem-solving py python searching sorting sorting-algorithms

Last synced: 07 May 2026

https://github.com/josecarlosnf/graphs

Implementações de grafos utilizadas na disciplina de projetos de algoritmos II (eq. estruturas de dados II)

bfs-search breadth-first-search data-structures deep-first-search dfs-search dijsktra-algorithm graph prim-algorithm python search ufpa

Last synced: 17 Oct 2025

https://github.com/tiennhm/algorithms

Tông hợp chi tiết các thuật toán lập trình

algorithms data-structures source-code

Last synced: 17 Oct 2025

https://github.com/vaibhavmojidra/data-structures---arrays-in-java

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

arrays data-structures java mojidra vaibhav vaibhav-mojidra vaibhavmojidra

Last synced: 18 Oct 2025

https://github.com/notthestallion/data_structures_sentinel_dynamic_link

The purpose of this repository is to provide implementations of three different types of data structures: sentinel-based, dynamic using malloc, and linked using pointers. These data structures can be used in various algorithms and programs for efficient storage, retrieval, and manipulation of data.

data-structures dynamic dynamic-programming link linked-data linked-list sentinel sentinels

Last synced: 18 Oct 2025

https://github.com/phoemur/avl_tree

Naive implementation of an AVL tree using modern C++ (C++14, smart_pointers,etc...), and also a naive implementation of map using it.

associative-map avl avl-tree avltree cpp data-structures map

Last synced: 19 Oct 2025

https://github.com/bren12/data-structures

Computer programs developed to address the problems generated from the blockade of the Suez Canal and how, using various data structures, we can manage the information to avoid or mitigate this type of problem.

algorithms c-plus-plus data-structures

Last synced: 19 Oct 2025

https://github.com/alicankaya192/cs_complete_terminology_guide

350+ essential CS terms across 26 chapters — ordered by learning sequence. Covers Algorithms, OS, Networks, Databases, Security, ML/AI, DevOps, Linux, Testing, Career & more. Available in 🇹🇷 Turkish and 🇬🇧 English.

algorithms artificial-intelligence bash cheatsheet cloud-computing computer-science cs-fundamentals cybersecurity data-structures deep-learning devops docker kubernetes linux llm networking open-source python software-engineering study-guide

Last synced: 21 Jun 2026

https://github.com/mahajanankur/datastructures

Collections of data structures and algorithms in Java.

algorithms algorithms-and-data-structures data-structures

Last synced: 07 Aug 2025

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/rafaybbx/food-delivery-system

A C++ based food delivery system that optimizes delivery routes using Dijkstra's algorithm.

cpp data-structures dijkstra-algorithm food-delivery-application linked queue

Last synced: 08 Apr 2025

https://github.com/clarete/algo

Campinho perto do corrego pra treinar lateral, bater falta, cobrar escanteio, e outros fundamentos da computacao

algorithms data-structures search-algorithm

Last synced: 24 Mar 2025

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

A collection of my practice codes for Data Structures and Algorithms (DSA) topics from my university.

c data-structures

Last synced: 23 Oct 2025

https://github.com/data-mechanics/geoql

Library for performing queries and transformations on GeoJSON data (with emphasis on support for abstract graph representations).

data-science data-structures geographic-data geojson geojson-library

Last synced: 04 Apr 2026

https://github.com/odhithsen/data-structures-java

🧑‍💻 Java implementations of various data structures and their associated operations.

data-structures java

Last synced: 24 Oct 2025

https://github.com/wittyicon29/in-memory-db

An in-memory database using C++ is a system that stores data primarily in RAM for fast access and manipulation. It supports basic CRUD operations and may include features for concurrency control and optional data persistence.

data-structures oops-in-cpp regex

Last synced: 15 Mar 2025

https://github.com/abdur75648/organizational-hierarchy-java

A java program to store employee data and maintains the information about organization hierarchy

algotithms assignment avl-tree binary-search-tree binary-tree col106 data-structures database-management dsa iitd java linked-list queue

Last synced: 31 Mar 2025

https://github.com/dd0wney/ds

Collection of data structures and algorithms for my reference in languages I'm interested in

algorithms data-structures

Last synced: 12 Jun 2026

https://github.com/gustavodiasag/graph-repr

Algorithms and Data Structures related to the representation and manipulation of graphs

data-structures graph-algorithms graph-theory

Last synced: 25 Oct 2025

https://github.com/nibble-4bits/leetcode-challenges

My solutions to various LeetCode challenges

algorithms code-challenges data-structures leetcode

Last synced: 15 Mar 2025

https://github.com/bisceglialuigi/advent_of_code

This repository contains my solutions for the Advent of Code challenges! Advent of Code is an annual coding event featuring daily programming puzzles throughout December. It's a fun way to improve problem-solving skills and explore creative algorithms.

advent-of-code advent-of-code-2024 algorithms competitive-programming data-structures fun python3

Last synced: 01 Jul 2025

https://github.com/syd-strzempko/practice-problems

python implementations of common algorithms, data structures, & coding problems

algorithms data-structures leetcode

Last synced: 26 Oct 2025

https://github.com/hitensharma18/pathfindingvisualizer

A React-based pathfinding visualizer that demonstrates Dijkstra’s algorithm on an interactive grid using JSX, HTML, CSS, and JavaScript.

algorithm-visualizer css data-structures dijkstra educational frontend grid html interactive javascript jsx pathfinding react visualization web-app

Last synced: 08 May 2026

https://github.com/jiko23/family-tree

Model out the Shan family tree so that when given a ‘name’ and a ‘relationship’ as an input, the output are the people that correspond to the relationship. Input needs to be read from a text file, and output should be printed to console. Program should execute and take the location to the test file as parameter.

backend data-structures python-3

Last synced: 26 Oct 2025

https://github.com/iampavangandhi/texteditor

📝 Text Editor Web App (using Stacks)

data-structures javascript stacks text-editor vanilla-javascript

Last synced: 20 May 2026

https://github.com/tomiok/algorithms

Bunch of algs, mostly from https://hackerrank.com

algorithms data-structures hackerrank java-8

Last synced: 07 Aug 2025

https://github.com/mezantrop/tsqlike

SQL-like interface to tabular structured data

csv data-processing data-structures json python sql-like table

Last synced: 24 Jan 2026

https://github.com/y2k-shubham/dsa-in-cpp

Implementations of Data-Structures & Algorithm Questions in C++

algorithms cpp data-structures

Last synced: 28 Jan 2026

https://github.com/ahmedhosssam/dynamo-tree

C++ Backend server and API with React front-end client

avl-tree cpp cpprestsdk data-structures javascript react

Last synced: 15 Apr 2026

https://github.com/vickshan001/huffman-encoding-decoding-in-java

Java implementation of Huffman encoding and decoding from scratch. Includes custom tree traversal, compression, and decompression logic. Built in 2021.

algorithms compression data-structures decompression huffman-coding java priority-queue tree-traversal

Last synced: 31 Mar 2025

https://github.com/vikashpr/maang-interview-prep-100-dsa

Ace your MAANG+ interviews with this curated list of 100 essential DSA problems. From arrays to graphs, master every concept with detailed solutions and expert tips. Start your path to a top-tier tech job today!

algorithms coding-interviews computer-science data-structures data-structures-and-algorithms interview-preparation leetcode-solutions maang-interviews problem-solving software-engineering tech-interviews

Last synced: 16 Mar 2026

https://github.com/jseg380/university

Repository with projects made for University subjects

ai computer-science cpp cs-degree data-structures java oop ruby

Last synced: 09 May 2026

https://github.com/hengxin/data-structures-algorithms-resources

Resources on Data Structures and Algorithms

algorithms big-list data-structures resources

Last synced: 29 Jan 2026

https://github.com/icingworld/ww-lockfreeds

A high-performance, thread-safe library of lock-free data structures for C++. 使用C++实现的高性能线程安全无锁数据结构

concurrent-data-structure cplusplus cpp data-structures thread-safe

Last synced: 27 May 2026

https://github.com/shafaq-aslam/leetcode-chronicles

This repository contains my solutions to various LeetCode problems, ranging from Easy to Hard. The goal is to improve problem-solving skills, practice Data Structures & Algorithms (DSA), and build a strong foundation for coding interviews.

algorithms coding-challenges competitive-programming cpp data-structures data-structures-and-algorithms dsa dynamic-programming leetcode problem-solving

Last synced: 07 Apr 2025

https://github.com/wfvining/rangetree

Purely functional read-only range trees in Erlang

data-structures erlang erlang-library range-tree

Last synced: 30 Jan 2026

https://github.com/andrea-vicari/codewars-katas

Repository for Javascript files from some Codewars katas

algorithms-and-data-structures data-structures javascript

Last synced: 16 May 2025

https://github.com/devfancy/knu

컴퓨터학부에서 배운 과목들을 정리한 repo 입니다.

algorithm data-structures system-programming

Last synced: 24 Jun 2025

https://github.com/thenocturnaldevgypsy/code-lab-lecture-exercises

Library/source codes that I've coded and used for my lectures during my career as BSCS/BSIT/BSCOE Assistant Professor for BSCS, BSIT and BSCOE way back late 2007 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 java programming programming-exercises thenocturnaldevgypsy thenocturnaldevgypsy-io

Last synced: 09 Jun 2026

https://github.com/godsscion/cs570-intro-to-programming-data-structures-algorithms

This is a repo of CS 570 - Introduction to Data Structures labs.

algorithms data-structures java

Last synced: 18 Nov 2025

https://github.com/mustafahakkoz/market_simulation

Simple Linked List implementation in C language

data-structures simulation

Last synced: 23 Mar 2025

https://github.com/pedrodevvv/general-studies

A repository to store my studies, has data structure, node.js, sql and exercises

data-structures handlebars-js javascript mysql nodejs

Last synced: 08 May 2026

https://github.com/nadvolod/algorithms

Algorithms and data-structures exercises

algorithms data-structures

Last synced: 01 Feb 2026

https://github.com/bertrand31/cagire

🔍 An experimental search engine supporting real-time partial-match plaintext search

data-structures functional-programming inverted-index scala search-engine trie

Last synced: 16 May 2025

https://github.com/obeliskos/typescript-datastructures

Typescript-implemented data structures and benchmarks

avl avl-tree data-structures typescript

Last synced: 23 Mar 2025

https://github.com/seanballais/a-crazy-calculator

A simple calculator where the operations utilize stacks that are implemented with queues that are implemented by arrays that are implemented by linked lists.

data-structures java

Last synced: 27 May 2026

https://github.com/forketyfork/coding-problems-kotlin

Solutions to various coding problems and algorithms implemented in Kotlin

algorithms coding-problems data-structures kotlin programming-practice

Last synced: 26 Feb 2026

https://github.com/cardoso010/challenges

Leetcode, codewar, hackerrank Challenges

algorithms challenges codewa data-structures elixir leetcode study

Last synced: 23 Mar 2025

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

My Solutions in Online Judges

algorithms cpp data-structures

Last synced: 18 Mar 2026

https://github.com/jleung51/data_structures

Implementations of various data structures.

data-structures

Last synced: 27 Mar 2025

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

data structure learning

c-plus-plus data-structures learning

Last synced: 24 Jun 2026

https://github.com/mubassim-khan/recursion-java

A few programs of Recursion topic/concept in Java language, helpful to understand the flow of program & method of recursion in Data Structures & Algorithm.

data-structures datastructures-algorithms java recursion recursive-algorithm

Last synced: 05 Mar 2025

https://github.com/nawodyaishan/simple-bookshop-shopping-cart

Simple bookshop shopping cart and checkout system using Dyanamic Programming Algorithms and Data Structures

algorithms c data-structures dynamic-programming

Last synced: 15 Mar 2025

https://github.com/johan-bolmsjo/gods

Go Data Structures

data-structures go golang

Last synced: 11 Feb 2026

https://github.com/hector1274/struct-changelog

🔍 Track and record changes in nested data structures automatically, ensuring data integrity and simplifying debugging with detailed audit trails.

change-tracking changelog changelogs data-diff data-structures dict diff elixir json library list nested-data python

Last synced: 11 Apr 2026

https://github.com/charmoniumq/algo

Algorithms that I implement for fun

automata data-structures

Last synced: 11 Feb 2026

https://github.com/aditeyabaral/dml-assignment-ue18cs205

A repository containing the source code for the Graph Network Assignment given as a part of the Discrete Mathematics and Logic course (UE18CS205) at PES University. The objective of the assignment was to profile a graph and verify certain properties.

c data-structures discrete-math discrete-mathematics graph graph-algorithms graphs-theory logic-programming

Last synced: 10 Jun 2026

https://github.com/guibrandt/avl_tree

Árvore AVL de busca genérica em C++

avl-tree cotuca cpp11 data-structures generics maligno

Last synced: 13 Jul 2025

https://github.com/scisamir/binary_trees

0x1D. C - Binary trees

algorithm binary-trees c data-structures

Last synced: 22 Jun 2026

https://github.com/iamklevy/datastructures-algorithms-problem-solving-

Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)

algorithms data-structures interview-questions leetcode

Last synced: 15 May 2025

https://github.com/hemisphere-studio/async-subscription-map

Async bookkeeping data structure for multithreaded state subscriptions

async data-structures multithreading subscriptions

Last synced: 15 Mar 2025

https://github.com/evandrolg/data_structures_in_ruby

A collection of data structures written in Ruby

algorithms data-structures ruby

Last synced: 10 Jun 2026