Problems by Björn Martinsson
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Box and Arrow Diagram | 26 | 9 | 35% | 0.19 | 13 | 9 | 69% | 7.1 | ||
| Costly Contest | 74 | 26 | 35% | 0.02 | 26 | 20 | 77% | 6.9 | ||
| Efficient Bus Routing | 180 | 24 | 13% | 0.11 | 29 | 21 | 72% | 7.6 | ||
| Forgotten Homework | 68 | 29 | 43% | 0.09 | 23 | 14 | 61% | 8.2 | ||
| Patrick's Triangle | 40 | 18 | 45% | 0.03 | 13 | 10 | 77% | 5.2 | ||
| Sperhling | 97 | 61 | 63% | 0.00 | 54 | 52 | 96% | 2.3 | ||
| The Great Egg Hunt | 31 | 6 | 19% | 0.17 | 9 | 6 | 67% | 7.3 | ||