Blind 75

A friend sent me a post by a Blind user that featured 75 LeetCode questions representing the fundamentals of the tech interview. I went through each problem. Some were done within minutes while some took more than two hours.

I wrote up my exploration of each problem to help drill it into my own head.

First draft of cheatsheet.

Problems

• Array
  • Search in Rotated Sorted Array - (LeetCode)
• Dynamic Programming
  • Longest Increasing Subsequence - (LeetCode)
  • House Robber - (LeetCode)
  • House Robber II - (LeetCode)
• Graph
  • Alien Dictionary - (LeetCode Premium)
  • Pacific Atlantic Water Flow - (LeetCode)
• Interval
  • Insert Interval - (LeetCode)
  • Meeting Rooms - (LeetCode Premium)
  • Meeting Rooms II - (LeetCode Premium)
• String
  • Longest Repeating Character Replacement - (LeetCode)
  • Minimum Window Substring - (LeetCode)
• Tree
  • Word Search II - (LeetCode)
  • Construct Binary Tree From Preorder And Inorder Traversal - (LeetCode)