Samsung

1 Best Time to Buy and Sell Stock with Cooldown Medium 2 Burst Balloons Hard 3 Merge Triplets to Form Target Triplet Medium 4 Meeting Rooms II Medium 5 Pow(x, n) Medium 6 Missing Number Easy 7 Top K Frequent Elements Medium 8 3Sum Medium 9 Minimum Window Substring Hard 10 Car Fleet Medium 11 Time Based Key-Value Store Medium 12 Add Two Numbers Medium 13 Maximum Depth of Binary Tree Easy 14 Binary Tree Right Side View Medium 15 Implement Trie (Prefix Tree) Medium 16 Task Scheduler Medium 17 Combination Sum II Medium 18 Max Area of Island Medium 19 Redundant Connection Medium 20 Swim in Rising Water Hard 21 Longest Palindromic Substring Medium 22 Partition Equal Subset Sum Medium 23 Longest Increasing Path in a Matrix Hard 24 Jump Game II Medium 25 Merge Intervals Medium 26 Set Matrix Zeroes Medium 27 Number of 1 Bits Easy 28 Valid Anagram Easy 29 Longest Consecutive Sequence Medium 30 Longest Substring Without Repeating Characters Medium