Visa

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