| 1293 | Shortest Path in a Grid with Obstacles Elimination | Hard |
| 1298 | Maximum Candies You Can Get from Boxes | Hard |
| 1301 | Number of Paths with Max Score | Hard |
| 1307 | Verbal Arithmetic Puzzle | Hard |
| 1312 | Minimum Insertion Steps to Make a String Palindrome | Hard |
| 1316 | Distinct Echo Substrings | Hard |
| 1320 | Minimum Distance to Type a Word Using Two Fingers | Hard |
| 1326 | Minimum Number of Taps to Open to Water a Garden | Hard |
| 1330 | Reverse Subarray To Maximize Array Value | Hard |
| 1335 | Minimum Difficulty of a Job Schedule | Hard |
| 1340 | Jump Game V | Hard |
| 1345 | Jump Game IV | Hard |
| 1349 | Maximum Students Taking Exam | Hard |
| 1354 | Construct Target Array With Multiple Sums | Hard |
| 1359 | Count All Valid Pickup and Delivery Options | Hard |
| 1363 | Largest Multiple of Three | Hard |
| 1368 | Minimum Cost to Make at Least One Valid Path in a Grid | Hard |
| 1373 | Maximum Sum BST in Binary Tree | Hard |
| 1377 | Frog Position After T Seconds | Hard |
| 1383 | Maximum Performance of a Team | Hard |
| 1388 | Pizza With 3n Slices | Hard |
| 1392 | Longest Happy Prefix | Hard |
| 1397 | Find All Good Strings | Hard |
| 1402 | Reducing Dishes | Hard |
| 1406 | Stone Game III | Hard |
| 1411 | Number of Ways to Paint N × 3 Grid | Hard |
| 1416 | Restore The Array | Hard |
| 1420 | Build Array Where You Can Find The Maximum Exactly K Comparisons | Hard |
| 1425 | Constrained Subsequence Sum | Hard |
| 1434 | Number of Ways to Wear Different Hats to Each Other | Hard |