Brain teasers A repo of my solutions (in Python) to Data Structure & Algortihm problems I found interesting from Leetcode & Grind-75. Problems Solved: 18 Arrays (6) Two Sum Best Time To Buy And Sell Stock Maximum Subarray Contains Duplicate Majority Element Two Sum II Strings (4) Valid Anagram Valid Palindrome Group Anagrams Valid Parentheses Hash Table (1) Ransom Note Group Anagrams Searching (2) Binary Search Search a 2D Matrix Stacks & Queues (3) Implement Queue using Stacks Implement Stack using Queues Evaluate Reverse Polish Notation Matrices (2) Set Matrix Zeroes Rotate Image