| 720 | Longest Word in Dictionary | Medium |
| 721 | Accounts Merge | Medium |
| 722 | Remove Comments | Medium |
| 724 | Find Pivot Index | Easy |
| 725 | Split Linked List in Parts | Medium |
| 726 | Number of Atoms | Hard |
| 728 | Self Dividing Numbers | Easy |
| 729 | My Calendar I | Medium |
| 730 | Count Different Palindromic Subsequences | Hard |
| 731 | My Calendar II | Medium |
| 732 | My Calendar III | Hard |
| 733 | Flood Fill | Easy |
| 735 | Asteroid Collision | Medium |
| 736 | Parse Lisp Expression | Hard |
| 738 | Monotone Increasing Digits | Medium |
| 739 | Daily Temperatures | Medium |
| 740 | Delete and Earn | Medium |
| 741 | Cherry Pickup | Hard |
| 743 | Network Delay Time | Medium |
| 744 | Find Smallest Letter Greater Than Target | Easy |
| 745 | Prefix and Suffix Search | Hard |
| 746 | Min Cost Climbing Stairs | Easy |
| 747 | Largest Number At Least Twice of Others | Easy |
| 748 | Shortest Completing Word | Medium |
| 749 | Contain Virus | Hard |
| 752 | Open the Lock | Medium |
| 753 | Cracking the Safe | Hard |
| 754 | Reach a Number | Medium |
| 756 | Pyramid Transition Matrix | Medium |
| 757 | Set Intersection Size At Least Two | Hard |