Grind 75 is a curated list of tech interview questions by the author of Blind 75

Questions: https://www.techinterviewhandbook.org/grind75

Tech Interview Handbook: https://github.com/yangshun/tech-interview-handbook

This repo contains my solutions for the Grind 75 questions and unit tests.

1. Two Sum
2. Valid Parentheses
3. Merge Two Sorted Lists
4. Best Time to Buy and Sell Stock
5. Valid Palindrome
6. Invert Binary Tree
7. Valid Anagram
8. Binary Search
9. Flood Fill
10. Lowest Common Ancestor of a Binary Search Tree
11. Balanced Binary Tree
12. Implement Queue using Stacks

1. First Bad Version
2. Ransom Note
3. Climbing Stairs
4. Longest Palindrome