Morgan Stanley

1 Min Cost to Connect All Points Medium 2 House Robber Medium 3 Word Break Medium 4 Target Sum Medium 5 Maximum Subarray Medium 6 Valid Parenthesis String Medium 7 Rotate Image Medium 8 Detect Squares Medium 9 Reverse Integer Medium 10 Valid Sudoku Medium 11 Trapping Rain Water Hard 12 Valid Parentheses Easy 13 Binary Search Easy 14 Reverse Linked List Easy 15 Find the Duplicate Number Medium 16 Balanced Binary Tree Easy 17 Validate Binary Search Tree Medium 18 Word Search II Hard 19 Find Median from Data Stream Hard 20 Palindrome Partitioning Medium 21 Surrounded Regions Medium 22 Graph Valid Tree Medium 23 Cheapest Flights Within K Stops Medium 24 Decode Ways Medium 25 Longest Common Subsequence Medium 26 Edit Distance Hard 27 Hand of Straights Medium 28 Meeting Rooms Easy 29 Plus One Easy 30 Reverse Bits Easy