Problems from CTU Open 2009
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Arable Area | 294 | 65 | 22% | 0.04 | 67 | 42 | 63% | 8.1 | ||
| Digital display | 2114 | 725 | 34% | 0.00 | 658 | 590 | 90% | 2.4 | ||
| Peculiar primes | 624 | 189 | 30% | 0.01 | 174 | 129 | 74% | 5.9 | ||
Kattis