| 139 | Word Break | 86 | Link | 30.9% |  | 
                
                  
                    | 28 | Implement strStr() | 82 |  | 28.7% |  | 
                
                  
                    | 347 | Top K Frequent Elements | 76 |  | 48.9% |  | 
                
                  
                    | 442 | Find All Duplicates in an Array | 66 |  | 56.5% |  | 
                
                  
                    | 215 | Kth Largest Element in an Array | 65 |  | 40.0% |  | 
                
                  
                    | 214 | Shortest Palindrome | 63 | Link | 24.8% |  | 
                
                  
                    | 75 | Sort Colors | 62 |  | 38.5% |  | 
                
                  
                    | 133 | Clone Graph | 59 |  | 25.2% |  | 
                
                  
                    | 269 | Alien Dictionary | 51 |  | 25.5% |  | 
                
                  
                    | 380 | Insert Delete GetRandom O(1) | 50 |  | 39.5% |  | 
                
                  
                    | 285 | Inorder Successor in BST | 43 |  | 36.3% |  | 
                
                  
                    | 692 | Top K Frequent Words | 27 | Link | 40.8% |  | 
                
                  
                    | 424 | Longest Repeating Character Replacement | 26 |  | 42.8% |  | 
                
                  
                    | 600 | Non-negative Integers without Consecutive Ones | 12 | Link | 31.1% |  |