| 372 | Super Pow | Medium |
| 373 | Find K Pairs with Smallest Sums | Medium |
| 374 | Guess Number Higher or Lower | Easy |
| 375 | Guess Number Higher or Lower II | Medium |
| 376 | Wiggle Subsequence | Medium |
| 377 | Combination Sum IV | Medium |
| 378 | Kth Smallest Element in a Sorted Matrix | Medium |
| 380 | Insert Delete GetRandom O(1) | Medium |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard |
| 382 | Linked List Random Node | Medium |
| 383 | Ransom Note | Easy |
| 384 | Shuffle an Array | Medium |
| 385 | Mini Parser | Medium |
| 386 | Lexicographical Numbers | Medium |
| 387 | First Unique Character in a String | Easy |
| 388 | Longest Absolute File Path | Medium |
| 389 | Find the Difference | Easy |
| 390 | Elimination Game | Medium |
| 391 | Perfect Rectangle | Hard |
| 392 | Is Subsequence | Easy |
| 393 | UTF-8 Validation | Medium |
| 394 | Decode String | Medium |
| 395 | Longest Substring with At Least K Repeating Characters | Medium |
| 396 | Rotate Function | Medium |
| 397 | Integer Replacement | Medium |
| 398 | Random Pick Index | Medium |
| 399 | Evaluate Division | Medium |
| 400 | Nth Digit | Medium |
| 401 | Binary Watch | Easy |
| 402 | Remove K Digits | Medium |