Two dimensional array
Problems
| Pascal's triangle | 886 / 930 | 800 | |
| Column sum | 909 / 925 | 800 | |
| Appearance | 613 / 648 | 800 | |
| Diagonal sum | 642 / 691 | 800 | |
| Point coverage | 538 / 563 | 800 | |
| Swap operation | 550 / 558 | 800 | |
| Spiral matrix | 539 / 563 | 800 | |
| Word search | 433 / 469 | 800 | |
| Matrix rotation | 517 / 522 | 800 | |
| Matrix Zigzag | 409 / 437 | 800 |