This repository contains my personal collection of Data Structures and Algorithms problems practiced in Python, focusing on OOP principles.
- Linked Lists: Implementation, Cycle Detection/Removal, Reversal, Palindrome, Merging, and Nth element.
- Trees & BST: Binary Tree, Level Order, BST (Insert, Search, Validate), LCA, Diameter, and Height.
- Stacks & Queues: LRU Cache, Min Stack, Circular Queue, and Deques.
- Sorting: Bubble, Selection, Insertion, Merge, and Quick Sort.
- Searching: Binary Search (Rotated, Infinite, Square Root).
- Dynamic Programming: Fibonacci, Climbing Stairs, Buy/Sell Stock.
- Sliding Window: Maximum Sum Subarray, Longest Substring, First Negative Integer.
- Two Pointers: Two Sum, Move Zeros, Sorted Squares, Remove Duplicates.
- Miscellaneous: Matrix Rotation, Spiral Print, Group Anagrams, and recursion problems.