This repository is a compilation of problems and solutions in Data Structures and Algorithms. It includes solutions for Leetcode problems, Hackerrank problems and for various Programming contests, that I have attended.

NOTE: Some solutions are not optimized, and a very few does not work.

• Contains solutions to more than 300 problems. It can be found here

• Solutions for "Top Interview Questions" can be found here

• Solutions for Leetcode contests can be found here

Contains solutions for

• 30 Days of Code

• Few Random problems in Hackerrank

• Interview Preparation Kit

• Random practice problems

Solutions to the problems can be found in Java, here

• Solutions to Placement Preparation course

• Solutions to Data Structures - Array

Contains solutions for 3 problems. More solutions to be added soon.

• Stack

• Queue

• LinkedList

• HashMaps

• Tree

• Graphs

• Sorting

• Optimization problems

• Binary Trees