Problems from CTU Open 2009
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Arable Area | 237 | 57 | 24% | 0.04 | 59 | 37 | 63% | 7.5 | ||
| Digital display | 1541 | 536 | 35% | 0.00 | 477 | 425 | 89% | 2.6 | ||
| Peculiar primes | 526 | 167 | 32% | 0.01 | 154 | 113 | 73% | 6.1 | ||
Kattis