| 763 | Partition Labels | Medium |
| 767 | Reorganize String | Medium |
| 770 | Basic Calculator IV | Hard |
| 771 | Jewels and Stones | Easy |
| 781 | Rabbits in Forest | Medium |
| 791 | Custom Sort String | Medium |
| 792 | Number of Matching Subsequences | Medium |
| 804 | Unique Morse Code Words | Easy |
| 811 | Subdomain Visit Count | Medium |
| 815 | Bus Routes | Hard |
| 817 | Linked List Components | Medium |
| 819 | Most Common Word | Easy |
| 820 | Short Encoding of Words | Medium |
| 822 | Card Flipping Game | Medium |
| 823 | Binary Trees With Factors | Medium |
| 828 | Count Unique Characters of All Substrings of a Given String | Hard |
| 846 | Hand of Straights | Medium |
| 859 | Buddy Strings | Easy |
| 865 | Smallest Subtree with all the Deepest Nodes | Medium |
| 873 | Length of Longest Fibonacci Subsequence | Medium |
| 884 | Uncommon Words from Two Sentences | Easy |
| 888 | Fair Candy Swap | Easy |
| 889 | Construct Binary Tree from Preorder and Postorder Traversal | Medium |
| 890 | Find and Replace Pattern | Medium |
| 893 | Groups of Special-Equivalent Strings | Medium |
| 895 | Maximum Frequency Stack | Hard |
| 904 | Fruit Into Baskets | Medium |
| 911 | Online Election | Medium |
| 914 | X of a Kind in a Deck of Cards | Easy |
| 916 | Word Subsets | Medium |