Airbnb

1 Rotting Oranges Medium 2 Word Ladder Hard 3 Climbing Stairs Easy 4 Coin Change Medium 5 Best Time to Buy and Sell Stock with Cooldown Medium 6 Burst Balloons Hard 7 Merge Triplets to Form Target Triplet Medium 8 Meeting Rooms II Medium 9 Pow(x, n) Medium 10 Missing Number Easy 11 Top K Frequent Elements Medium 12 3Sum Medium 13 Minimum Window Substring Hard 14 Car Fleet Medium 15 Time Based Key-Value Store Medium 16 Add Two Numbers Medium 17 Maximum Depth of Binary Tree Easy 18 Binary Tree Right Side View Medium 19 Implement Trie (Prefix Tree) Medium 20 Task Scheduler Medium 21 Combination Sum II Medium 22 Max Area of Island Medium 23 Redundant Connection Medium 24 Swim in Rising Water Hard 25 Longest Palindromic Substring Medium 26 Partition Equal Subset Sum Medium 27 Longest Increasing Path in a Matrix Hard 28 Jump Game II Medium 29 Merge Intervals Medium 30 Set Matrix Zeroes Medium