MATHEMATICS
Select one of the following problems to solve.
| # | Name | Solved | Level | ||
|---|---|---|---|---|---|
| 1028 | Collectable Cards | 10,284 | 3 | ||
| 1093 | Vampires | 1,281 | 4 | ||
| 1161 | Factorial Sum | 13,421 | 6 | ||
| 1163 | Angry Ducks | 950 | 5 | ||
| 1169 | Grains in a Chess Board | 5,460 | 3 | ||
| 1170 | Blobs | 9,131 | 3 | ||
| 1193 | Base Conversion | 2,832 | 4 | ||
| 1197 | Back to High School Physics | 7,299 | 2 | ||
| 1198 | Hashmat the Brave Warrior | 7,347 | 5 | ||
| 1199 | Simple Base Conversion | 3,346 | 4 | ||
| 1202 | White Nights Festival | 759 | 6 | ||
| 1212 | Primary Arithmetic | 3,621 | 7 | ||
| 1213 | Ones | 1,810 | 5 | ||
| 1214 | Above Average | 5,134 | 4 | ||
| 1219 | Colourful Flowers | 1,642 | 5 | ||
| 1220 | The Trip | 837 | 7 | ||
| 1221 | Fast Prime Number | 7,878 | 6 | ||
| 1230 | Integral | 50 | 10 | ||
| 1232 | Rubik Cycle | 205 | 5 | ||
| 1233 | Star | 768 | 7 | ||
| 1240 | Fit or Dont Fit I | 6,004 | 2 | ||
| 1247 | Coast Guard | 2,980 | 4 | ||
| 1264 | An Easy Problem! | 376 | 7 | ||
| 1279 | Leap Year or Not Leap Year and … | 1,580 | 8 | ||
| 1280 | Friends | 119 | 10 |
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