Two dimensional array
Problems
| Pascal's triangle | 420 / 440 | 800 | |
| Column sum | 409 / 417 | 800 | |
| Appearance | 226 / 238 | 800 | |
| Diagonal sum | 243 / 274 | 800 | |
| Point coverage | 197 / 212 | 800 | |
| Swap operation | 233 / 236 | 800 | |
| Spiral matrix | 205 / 222 | 800 | |
| Word search | 165 / 188 | 800 | |
| Matrix rotation | 197 / 200 | 800 | |
| Matrix Zigzag | 145 / 161 | 800 |