Oracle

1 Palindrome Partitioning Medium 2 Surrounded Regions Medium 3 Graph Valid Tree Medium 4 Cheapest Flights Within K Stops Medium 5 Decode Ways Medium 6 Longest Common Subsequence Medium 7 Edit Distance Hard 8 Hand of Straights Medium 9 Meeting Rooms Easy 10 Plus One Easy 11 Reverse Bits Easy 12 Group Anagrams Medium 13 Two Sum II - Input Array Is Sorted Medium 14 Permutation in String Medium 15 Daily Temperatures Medium 16 Search in Rotated Sorted Array Medium 17 Copy List with Random Pointer Medium 18 Invert Binary Tree Easy 19 Binary Tree Level Order Traversal Medium 20 Serialize and Deserialize Binary Tree Hard 21 Kth Largest Element in an Array Medium 22 Subsets II Medium 23 Clone Graph Medium 24 Course Schedule II Medium 25 Network Delay Time Medium 26 House Robber II Medium 27 Longest Increasing Subsequence Medium 28 Interleaving String Medium 29 Jump Game Medium 30 Insert Interval Medium 31 Spiral Matrix Medium 32 Single Number Easy 33 Contains Duplicate Easy 34 Encode and Decode Strings Medium 35 Best Time to Buy and Sell Stock Easy