| 0584-find-customer-referee | 
| 0595-big-countries | 
| 1258-article-views-i | 
| 1827-invalid-tweets | 
| 0049-group-anagrams | 
| 0438-find-all-anagrams-in-a-string | 
| 0567-permutation-in-string | 
| 0019-remove-nth-node-from-end-of-list | 
| 0283-move-zeroes | 
| 0567-permutation-in-string | 
| 0049-group-anagrams | 
| 0438-find-all-anagrams-in-a-string | 
| 0567-permutation-in-string | 
| 0438-find-all-anagrams-in-a-string | 
| 0567-permutation-in-string | 
| 0049-group-anagrams | 
| 0283-move-zeroes | 
| 0049-group-anagrams | 
| 0019-remove-nth-node-from-end-of-list |