A comprehensive collection of competitive programming solutions and practice problems from various platforms and contests.
This repository contains solutions to competitive programming problems from multiple platforms, organized by difficulty and topic. It serves as a personal learning journey and reference for algorithmic problem-solving techniques.
- AtCoder - Japanese competitive programming contests
- Beecrowd - Online judge with diverse problem sets
- CodeChef - Monthly contests and practice problems
- CodeForces - Regular contests and educational rounds
- Coding Ninja - Algorithm and data structure problems
- CSES - Classical problem sets
- LeetCode - Interview preparation and practice
- LightOJ - Online judge with focus on algorithms
- SPOJ - Sphere Online Judge
- UVa - University of Valladolid online judge
- XPSC - XPSC contest problems
Competitive programming practice/
├── Atcoder/ # AtCoder contest solutions
├── Beecrowd/ # Beecrowd problem solutions
├── codeChef/ # CodeChef contest problems
├── CodeForces-Problems/ # CodeForces solutions
├── Coding-Ninja/ # Algorithm practice problems
├── CSES/ # Classical problem sets
├── LeetCode/ # Interview preparation problems
├── LightOJ_Problems/ # LightOJ solutions
├── Phitron-B5/ # Academic course materials
├── SPOJ/ # Sphere Online Judge problems
├── UVa_Problems/ # UVa online judge solutions
├── XPSC 05/ # XPSC contest problems
└── Zest-cases/ # Various contest problems
- C++ - Primary language for most solutions
- Python - Alternative implementations and OOP practice
- JavaScript - Web-based problems and practice
- C - Some academic and basic problems
- Algorithms: Sorting, searching, dynamic programming
- Data Structures: Arrays, linked lists, trees, graphs
- Mathematics: Number theory, combinatorics, geometry
- String Processing: Pattern matching, text algorithms
- Graph Theory: Traversal, shortest paths, connectivity
- Greedy Algorithms: Optimization problems
- Binary Search: Efficient searching techniques
- Algorithm: Assignments, midterms, and final projects
- Data Structure: Implementation of fundamental data structures
- OOP Lab: Object-oriented programming practice in Python
- Contest Problems: Mock contests and practice sessions
- C++ compiler (GCC, Clang, or MSVC)
- Python 3.x
- Node.js (for JavaScript solutions)
- Navigate to the specific platform directory
- Compile C++ files:
g++ -o solution solution.cpp - Run Python files:
python solution.py - Execute JavaScript:
node solution.js
- Total Problems Solved: 1000+
- Platforms Active: 12+
- Languages Used: 4
- Contest Participation: Regular
- Consistent participation in CodeForces contests
- Solved problems across multiple difficulty levels
- Academic course completion with high performance
- Regular participation in XPSC contests
This is a personal practice repository, but suggestions for improvements are welcome:
- Better organization of problems
- Additional solution approaches
- Performance optimizations
- Documentation improvements
This project is for educational and personal use. All problem statements and test cases belong to their respective platforms and contest organizers.
- Repository Size: Large collection of competitive programming solutions
- Last Updated: Regularly maintained
- Active Development: Continuous problem solving and learning
Happy Coding! 🚀
This repository represents a journey of continuous learning and improvement in competitive programming. Each solution is a step towards mastering algorithms and problem-solving techniques.