| 752 | Open the Lock | Medium |
| 779 | K-th Symbol in Grammar | Medium |
| 785 | Is Graph Bipartite? | Medium |
| 787 | Cheapest Flights Within K Stops | Medium |
| 799 | Champagne Tower | Medium |
| 802 | Find Eventual Safe States | Medium |
| 808 | Soup Servings | Medium |
| 823 | Binary Trees With Factors | Medium |
| 852 | Peak Index in a Mountain Array | Medium |
| 862 | Find And Replace in String | Medium |
| 863 | All Nodes Distance K in Binary Tree | Medium |
| 864 | Image Overlap | Medium |
| 875 | Koko Eating Bananas | Medium |
| 880 | Decoded String at Index | Medium |
| 881 | Boats to Save People | Medium |
| 894 | All Possible Full Binary Trees | Medium |
| 907 | Sum of Subarray Minimums | Medium |
| 910 | Smallest Range II | Medium |
| 931 | Minimum Falling Path Sum | Medium |
| 935 | Knight Dialer | Medium |
| 948 | Bag of Tokens | Medium |
| 950 | Reveal Cards In Increasing Order | Medium |
| 967 | Numbers With Same Consecutive Differences | Medium |
| 984 | String Without AAA or BBB | Medium |
| 998 | Maximum Binary Tree II | Medium |
| 1026 | Maximum Difference Between Node and Ancestor | Medium |
| 1042 | Flower Planting With No Adjacent | Medium |
| 1043 | Partition Array for Maximum Sum | Medium |
| 1048 | Longest String Chain | Medium |
| 1053 | Previous Permutation With One Swap | Medium |