MATHEMATICS
Select one of the following problems to solve.
| # | Name | Solved | Level | ||
|---|---|---|---|---|---|
| 1028 | Collectable Cards | 11,068 | 3 | ||
| 1093 | Vampires | 1,345 | 4 | ||
| 1161 | Factorial Sum | 14,382 | 6 | ||
| 1163 | Angry Ducks | 1,021 | 5 | ||
| 1169 | Grains in a Chess Board | 5,735 | 3 | ||
| 1170 | Blobs | 9,625 | 3 | ||
| 1193 | Base Conversion | 2,970 | 4 | ||
| 1197 | Back to High School Physics | 7,766 | 2 | ||
| 1198 | Hashmat the Brave Warrior | 7,767 | 5 | ||
| 1199 | Simple Base Conversion | 3,469 | 4 | ||
| 1202 | White Nights Festival | 799 | 6 | ||
| 1212 | Primary Arithmetic | 3,832 | 7 | ||
| 1213 | Ones | 1,895 | 5 | ||
| 1214 | Above Average | 5,366 | 4 | ||
| 1219 | Colourful Flowers | 1,707 | 5 | ||
| 1220 | The Trip | 846 | 7 | ||
| 1221 | Fast Prime Number | 8,363 | 6 | ||
| 1230 | Integral | 54 | 10 | ||
| 1232 | Rubik Cycle | 207 | 5 | ||
| 1233 | Star | 791 | 7 | ||
| 1240 | Fit or Dont Fit I | 6,354 | 2 | ||
| 1247 | Coast Guard | 3,132 | 4 | ||
| 1264 | An Easy Problem! | 381 | 7 | ||
| 1279 | Leap Year or Not Leap Year and … | 1,723 | 8 | ||
| 1280 | Friends | 131 | 10 |
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