DSA Repository

A comprehensive collection of Data Structures, Algorithms, and competitive programming solutions.

📁 Repository Structure

Algorithms

• Sorting algorithms (Insertion Sort)
• Searching algorithms

Data Structures

• Hash Table - Implementation in Python and JavaScript
• Linked List - Python implementation
• Queue - Both linked list and list implementations
• Stack - Linked list and list implementations
• Trees - Binary Tree, N-ary Tree, Ternary Tree with various traversal methods

LeetCode Solutions

• 30 Days JavaScript Challenge - Daily JavaScript problems
• Arrays - 20+ array problems in JavaScript and Python
• Binary Search - Easy level problems
• Linked List - Easy and medium difficulty problems
• Math - 37+ math problems
• Matrix - Easy and medium matrix problems
• Stack - Stack-based problems
• Strings - String manipulation problems
• Trees - Binary Tree and BST problems
• NeetCode 250 - Organized problem sets (Arrays & Hashing, Bit Manipulation, Linked List, Trees, Two Pointers)

CodeForces

• Problems from Div 3, Div 4, and problemset (A, B, C, D levels)

GeeksforGeeks

• Array problems (basic and easy)
• String problems

Math Problems

• Project Euler style problems (Fibonacci, Prime Factors, Multiples, etc.)

Practice

• OOP concepts
• Function practice
• String practice
• API and database practice files

Calico Competition

• Competition problems from 2025 and previous years

💻 Languages Used

• Python - Primary language for most solutions
• JavaScript - Used for LeetCode JavaScript challenges and some implementations

🎯 Topics Covered

• Sorting & Searching Algorithms
• Linear Data Structures (Stack, Queue, Linked List)
• Non-linear Data Structures (Trees, Hash Tables)
• Competitive Programming Problems
• Mathematical Problem Solving
• Object-Oriented Programming