| 1 | Longest Substring Without Repeating Characters |    | | |
| 2 | Max Consecutive Ones III |    | | |
| 3 | Fruit Into Baskets |   | | |
| 4 | longest repeating character replacement |    | | |
| 5 | Binary subarray with sum |    | | |
| 6 | Count number of nice subarrays |    | | |
| 7 | Number of substring containing all three characters |    | | |
| 8 | Maximum point you can obtain from cards |    | | |