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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/cayo-rodrigues/gsic

This program accomplishes some common tasks done by grocery stores cashiers

algorithms c command-line-interface data-structures gcc makefile valgrind

Last synced: 22 Mar 2025

https://github.com/r-pagard/c-algorithm

Write some algorithms with C programming language. I'm trying to write the best way that I can.

algorithms c cprogramming data-structures

Last synced: 30 Mar 2025

https://github.com/spideystreet/ai-learning-journey

Documenting my journey in learning Artificial Intelligence, with a focus on Data systems & Machine / Deep Learning and their applications. Includes structured notes and interesting research papers. Updated regularly as I learn.

academic data-structures education learning machine-learning

Last synced: 09 Mar 2026

https://github.com/suhatanriverdi/full-time-interviews-preparation

This repository contains various competitive programming Algorithms and Data Structures questions and sample codes in the preparation process of full-time software engineering interviews.

algorithms data-structures interviews-preparation

Last synced: 14 Mar 2025

https://github.com/dnlbb/algorithms-and-data-structures-mstu

This repository contains homework on the course algorithms and data structures of MSTU

algorithms c-language data-structures

Last synced: 25 May 2026

https://github.com/jdeokkim/atc-lab

A collection of my submissions for AtCoder contest problems.

algorithms atcoder atcoder-contests atcoder-solutions c c99 data-structures

Last synced: 06 Jul 2025

https://github.com/shadowshahriar/cse222

A repository containing my solutions to data structure (Java, C, C++) problems assigned by our CSE lecturer, NASR (3rd Semester)

c cpp data-structures java

Last synced: 04 May 2026

https://github.com/gaurav-chaurasia/dsa

All my practice problem(data-structure and algorithmic) and code are here

algorithm competitive-programming cpp data-structures readme-md

Last synced: 25 May 2026

https://github.com/connectaman/c-and-data-structure

Program,Notes,Explanation on Data Structure using C++

cpp data data-structures sorting-algorithms

Last synced: 14 Mar 2025

https://github.com/mutokrm/googlestep

This repository has homework that I submitted during Google STEP where I learned the basics of of Computer Science.

algorithms calculator data-structures malloc traveling-salesman-problem

Last synced: 22 Apr 2026

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

Lab works for Data Structures

c data-structures linked-list

Last synced: 26 Dec 2025

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

:computer: PHP data structures

data-structures php spl

Last synced: 30 Mar 2025

https://github.com/researchlab/abp

Algorithms Best Practices (ABP™)

algorithms data-structures

Last synced: 26 May 2026

https://github.com/mondonno/algorithms

Collection of resuable algorithm templates written in pure C++

algorithm algorithms all cpp data-structures math prefix-sumes sorting trees

Last synced: 04 Jun 2026

https://github.com/matthewnielsen27/arboretum

A study in trees.

data-structures rust tree

Last synced: 26 May 2026

https://github.com/diogo-nb/radix-sort

Radix sort implementation in C for education purposes.

c data-structures radix-sort sorting-algorithms

Last synced: 13 Jul 2025

https://github.com/alyqamar/leetcode

"LeetCode" by alyQamar, contains solutions to various problems from Leet Code, a popular platform for practicing and improving coding skills. The solutions are implemented in cpp , JS and are accompanied by detailed explanations and comments. The repository also includes a variety of problem types, such as data structures, algorith

algorithms competitive competitive-programming competitive-programming-contests contest contest-solution contests cpp data-structures java javascript js leetcode leetcode-cpp leetcode-cpp-solutions leetcode-js leetcode-solutions problem-solving problems

Last synced: 18 Apr 2026

https://github.com/ashharr/dsa-bootcamp

Data Structures and Algorithms. LeetCode Problems Practice.

algorithms data-structures dsa interview java python

Last synced: 19 Apr 2026

https://github.com/mohitbansal964/binary-tree

Binary Tree Insertion, Traversal and display in vertical and horizontal format

binary-trees cpp data-structures

Last synced: 30 May 2026

https://github.com/jojusuar/c-linkedlist

C implementation of a generic linked list with queue and stack functionalities

c data-structures linked-list queue stack

Last synced: 21 Jul 2025

https://github.com/palak-463/javadsa

Join me on an adventure where I tackle data structures and algorithms using Java, sharpening my problem-solving skills along the way. 🖥️

algorithms data-structures dsa java problem-solving

Last synced: 17 Jun 2025

https://github.com/pedroth/nabla.js

Mathematical & Computer Science reference implementation, of various algorithms and concepts.

algorithms computer-science data-structures mathematics

Last synced: 21 Feb 2026

https://github.com/mihirh19/python

a repository for collaborative development and version control using Git that houses Python code files, documentation, tests, and other project-related files.

algorithms data-structures django fastapi flask machine-learning numpy pandas python

Last synced: 11 Apr 2026

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

Problem Solving questions

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/dronnix/bwarr

Black-White Array: fast, ordered data structure based on arrays with O(log N) memory allocations

btree btrees cache cache-friendly computer-science data-structure data-structures go golang ordered performance sorted-set

Last synced: 13 Jan 2026

https://github.com/yagocrispim/data_structures

A study about data structures

cpp data-structures

Last synced: 23 Mar 2025

https://github.com/kalyan4636/interview-coding-practice-questions

PYTHON AND JAVA CODING SNIPPETS, TECHNICAL INTERVIEW QUESTIONS AND PRACTICE CODE.

angular corejava cpp css data-structures django framework html java javascript mongodb python sql

Last synced: 11 Apr 2026

https://github.com/mgobeaalcoba/python_intermediate

Aqui iré guardando los trabajos que voy haciendo en el curso de platzi de python y nivel intermedio

data-structures dictionaries game lambda-functions lists python3 sets strings tuples

Last synced: 11 Apr 2026

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

:books: Algorithms and Data Structures implemented in Java

data-structure-java data-structures

Last synced: 27 May 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/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/gotz1480/data-structures-python

Basic data structures implementations in Python

data-structures data-structures-python

Last synced: 07 Apr 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

https://github.com/richardmiruka/alx-interview

This interview repository 📒 is a collection of (practical) questions and answers designed to help someone prepare for programming interviews. The repository is organized into several categories, including Algorithms, programming concepts, and miscellaneous topics through Practical questions and concepts such as Pascal's triangle.

algorithms algorithms-and-data-structures data-structures logic logic-programming programming-languages

Last synced: 26 Feb 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/orgh0/interview_bit

Solutions to Problems of InterviewBit

algorithm data-structures interviewbit

Last synced: 15 Mar 2025

https://github.com/jabhij/hacks_python

Python hacks for code optimization.

algorithms data-structures datatypes python

Last synced: 27 May 2026

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/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: 10 Jun 2026

https://github.com/ernitingarg/very-large-file-processing-python

Python solution which uses min-heap data structure and thread parallalism to process very large file

data-structures large-files min-heap multiprocessing python3 space-complexity threading time-complexity unit-testing

Last synced: 16 May 2025

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

A big integer calculator for solving calculaitons of big numbers

biginteger cpp data-structures

Last synced: 28 May 2026

https://github.com/imjul1an/algorithms-and-data-structures

Learn algorithms and data structures in JS

alogrithms data-structures javascript

Last synced: 15 Mar 2025

https://github.com/abdur75648/anagram-generator

A Java program that prints out all valid anagrams of an input string present in the a vocabulary

algorithms anagrams assignment avl-tree binary-search-tree binary-tree col106 collision data-structures dsa hashing hashing-algorithm hashmap hashtable iitd

Last synced: 31 Mar 2025

https://github.com/aditeyabaral/hashmap-lemmatizer

A simple lemmatizer made as a part of the Data Structures (UE18CS202) course at PES University. We used the concepts of graph networks combined with a HashMap to create the database of words along with their lemma.

c data-structures graph hashing lemmatization linked-list natural-language-processing

Last synced: 28 Jun 2025

https://github.com/ruban2205/data-structures-and-algorithms-python

This repository contains Data structures programs programmed using Python language. It contains 11 topics from Stack to Binary Search Tree.

data-structures data-structures-and-algorithms interview-practice python python-data-structures

Last synced: 15 Mar 2025

https://github.com/sdk-meb/ft_containers.42

Project aims to re-implement an STL C++ containers such as vector, map, stack, and potentially set while adhering to the C++98 standard. The goal is to ensure a deep understanding of these containers and to develop custom implementations that comply with C++98 features and restrictions.

1337school 42born2code containers cpp cpp98 data-structures data-types makefile redblack-tree

Last synced: 05 Jan 2026

https://github.com/jitendra3109/datastructure-algorithms

Contents code implemented in java.

algorithms data-structures hackerearth java

Last synced: 23 Mar 2025

https://github.com/aryanjain28/dsa

"This repository contains my LeetCode practice, DSA understanding, and crucial algorithms, encompassing all of my code."

algorithms data-structures leetcode leetcode-solutions python3

Last synced: 24 Mar 2025

https://github.com/blackspade/json-data-mine

Data collections using JSON format for applications.

data-structures json

Last synced: 04 Apr 2025

https://github.com/rockharshitmaurya/leetcode-hub

Collection of LeetCode questions to ace the coding interview!

algorithms data-structures java leetcode

Last synced: 14 Jul 2025

https://github.com/ikauematos/data-structurec

Hello devs okay with you guys? this repository aims to show a little about the sorting methods using C to apply the ordering methods

c data-structures language

Last synced: 27 Feb 2025

https://github.com/wwwangxc/container

Various data structures implemented using Go.

data-structures go golang

Last synced: 16 Jan 2026

https://github.com/0xcourtney/data-structures-and-algorithms-in-js

In this series I will explore several different data structures and algorithms that are fundamental in Computer Science.

algorithms computer-science data-structures javascript

Last synced: 15 Mar 2025

https://github.com/mmiranda96/algorithms-go

Algorithms workshop in Golang

algorithm data-structures golang

Last synced: 02 Jul 2025

https://github.com/chrisammon3000/dict-smasher

Flatten Python dictionaries in one go.

data-structures python-library

Last synced: 16 Mar 2025

https://github.com/tom-spalding/petrie

a Graph-based phylogenetic tree, implemented in Javascript.

algorithms data-structures graph nature petrie phylogeny taxonomy tree

Last synced: 20 Jan 2026

https://github.com/yjhmelody/as-collections

Collections for assemblyscript

assemblyscript collections data-structures queue

Last synced: 08 Apr 2025

https://github.com/amrhossamdev/leetcode

Collection of leetcode questions that I solved - feel free to ask me at any time <3

algorithms data-structures interview-questions leetcode

Last synced: 15 Mar 2025

https://github.com/abhijivani3001/dsa_in_c

This repository is of Data Structure in C language.

c data-structures

Last synced: 28 May 2026

https://github.com/zakariaelbouzkri/stack_sorter

This project will make you sort data on a stack, with a limited set of instructions, using the lowest possible number of actions. To succeed you’ll have to manipulate various types of algorithms and choose the most appropriate solution (out of many) for an optimized data sorting

algo c data-structures

Last synced: 22 Nov 2025

https://github.com/bam-j/datastructure

자료구조 C언어 구현

c data-structures

Last synced: 31 Mar 2025

https://github.com/danielbas33/algoexpert

My solutions to algoExpert.io coding questions

algorithms data-structures

Last synced: 18 Jan 2026

https://github.com/easonsyc/queues-stacks

Data structures queues and stacks.

c-sharp data-structures study

Last synced: 10 Jun 2025

https://github.com/seigtm/bidirectionalringlist

Ring doubly linked list C++ class implementation. My very old college homework from 2020.

bidirectional-lists class cpp cpp-class cpp-library data-structure data-structures linked-list list

Last synced: 20 Apr 2025

https://github.com/lesiaukr/goit-algo-hw-02

Master's | Basic Algorithms & Data structures | Module 2 | Main Data Strucrures

data-structures deque doubly-linked-list goit-algo-hw-02 graph hash-tables linked-list lists queue stack

Last synced: 24 Mar 2025

https://github.com/mathusanm6/leetcode

Solutions for Leetcode Problems (tested using pytest and continuous integration)

algorithms algorithms-and-data-structures continuous-integration data-structures flake8 leetcode-python leetcode-solutions pytest

Last synced: 28 Aug 2025

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

A Java Data Structures and Algorithms repository for quick revision, practice, and reference.

algorithms data-structures java java-dsa java-programming-language

Last synced: 16 Mar 2025

https://github.com/chihebabiza/my-cpp-queue-array

A simple, template-based queue class in C++ built on top of a custom dynamic array (`clsDynamicArray`). This implementation supports core queue operations such as `push`, `pop`, `front`, and `back`, along with extended utilities like reversing the queue and inserting at custom positions.

cpp cpp-library data-structures oop programming-advices queue

Last synced: 10 Mar 2026

https://github.com/hnipun/elements-of-programming-interviews-in-python

collection of solutions to common coding problems

algorithms data-structures

Last synced: 03 Apr 2025

https://github.com/abdulvahabaa/geeksforgeeks-dsa

This is my Geeks for Geeks test submission reports repository for improving my DSA knowledge and coding skill.

algorithms data-structures dsa-learning-series dsa-practice javascript nodejs

Last synced: 06 Jan 2026

https://github.com/codomatech/clodss

On-Disk data-structures store with redis-like API.

data-structures embedded-database

Last synced: 24 Mar 2025

https://github.com/nirmalsaiswaroopj/dsexplore

This project provides Python implementations of fundamental data structures, including Stacks, Queues, Linked Lists, and Trees (Binary Search and AVL). It features a user-friendly menu-driven interface for easy interaction. Explore basic operations like insertion and deletion in each structure. Clone the repository to get started!

arrays-and-strings data-structures linked-list queue stacks tree-structure

Last synced: 29 May 2026

https://github.com/antdeivid/sparsematrix

Projeto da cadeira de Estrutura de Dados: Implementação de uma matriz esparsa baseada em listas circularmente encadeadas.

circular-linked-list cpp data-structures sparse-matrix

Last synced: 16 Mar 2025

https://github.com/shravan20/data-structures-and-algorithm

Repo contains the development explanation and code for Data Structure and Algorithm

algorithm algorithms data-structures

Last synced: 04 Apr 2025

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

Data Structures and Algorithms in Python. Solutions to practice problems on GFG.

algorithms data-structures problem-solving python3

Last synced: 08 Apr 2025

https://github.com/glintonliao/berkeley-cs-61b

CS 61B: Data Structures

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/saka7/algorithms

Algorithms and data structures in TypeScript

algorithms cumputer-science data-structures typescript

Last synced: 18 Mar 2025

https://github.com/qtle3/boxing_weight_classes

The Python Boxing Weight Classifier is a simple Python script that determines the appropriate Olympic boxing weight class based on the user's input weight (in pounds) and gender. It categorizes both men and women into their respective weight classes according to Olympic standards.

arithmetic-operations conditional-statements data-structures error-handling modular-design string-manipulation

Last synced: 08 Apr 2025

https://github.com/sleepypioneer/algorithms_and_data_structures

Notes from Algorithms and Data structures Udemy course instructed by Balazs Holczer.

algorithms data-structures

Last synced: 04 Sep 2025

https://github.com/ifeelgarv/striver-a2z-dsa-sheet-solution-using-cpp

This repository contains Strivers A2Z DSA Course/Sheet Code Solution using C++with explanation.😍

algorithm data-structures

Last synced: 11 Jun 2025

https://github.com/musleh0001/dsa

Data Structure and Algorithm

alrogithm data-structures python3

Last synced: 24 Mar 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 93 Exercises 92 Testing 89 Networking 88 Websites 88 Command Line 87 Data Pipelines & Streaming 85 Configuration 83 命令行工具 80 Data Structures and Algorithms 76 ✅ Data Structures 75 Machine Learning 75