Netflix

1 Reverse Linked List Easy 2 Find the Duplicate Number Medium 3 Balanced Binary Tree Easy 4 Validate Binary Search Tree Medium 5 Word Search II Hard 6 Find Median from Data Stream Hard 7 Palindrome Partitioning Medium 8 Surrounded Regions Medium 9 Graph Valid Tree Medium 10 Cheapest Flights Within K Stops Medium 11 Decode Ways Medium 12 Longest Common Subsequence Medium 13 Edit Distance Hard 14 Hand of Straights Medium 15 Meeting Rooms Easy 16 Plus One Easy 17 Reverse Bits Easy 18 Group Anagrams Medium 19 Two Sum II - Input Array Is Sorted Medium 20 Permutation in String Medium 21 Daily Temperatures Medium 22 Search in Rotated Sorted Array Medium 23 Copy List with Random Pointer Medium 24 Invert Binary Tree Easy 25 Binary Tree Level Order Traversal Medium 26 Serialize and Deserialize Binary Tree Hard 27 Kth Largest Element in an Array Medium 28 Subsets II Medium 29 Clone Graph Medium 30 Course Schedule II Medium