Problems from CTU Open 2009
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Arable Area | 340 | 75 | 22% | 0.04 | 74 | 46 | 62% | 8.2 | ||
| Digital display | 2647 | 902 | 34% | 0.00 | 833 | 746 | 90% | 2.4 | ||
| Peculiar primes | 711 | 214 | 30% | 0.01 | 196 | 147 | 75% | 5.9 | ||
Kattis