| 445 | Add Two Numbers II | Medium |
| 447 | Number of Boomerangs | Medium |
| 453 | Minimum Moves to Equal Array Elements | Medium |
| 458 | Poor Pigs | Hard |
| 462 | Minimum Moves to Equal Array Elements II | Medium |
| 464 | Can I Win | Medium |
| 470 | Implement Rand10() Using Rand7() | Medium |
| 477 | Total Hamming Distance | Medium |
| 478 | Generate Random Point in a Circle | Medium |
| 479 | Largest Palindrome Product | Hard |
| 483 | Smallest Good Base | Hard |
| 486 | Predict the Winner | Medium |
| 492 | Construct the Rectangle | Easy |
| 497 | Random Point in Non-overlapping Rectangles | Medium |
| 504 | Base 7 | Easy |
| 507 | Perfect Number | Easy |
| 509 | Fibonacci Number | Easy |
| 519 | Random Flip Matrix | Medium |
| 523 | Continuous Subarray Sum | Medium |
| 528 | Random Pick with Weight | Medium |
| 537 | Complex Number Multiplication | Medium |
| 539 | Minimum Time Difference | Medium |
| 553 | Optimal Division | Medium |
| 556 | Next Greater Element III | Medium |
| 564 | Find the Closest Palindrome | Hard |
| 587 | Erect the Fence | Hard |
| 592 | Fraction Addition and Subtraction | Medium |
| 593 | Valid Square | Medium |
| 598 | Range Addition II | Easy |
| 628 | Maximum Product of Three Numbers | Easy |