Problems from CTU Open 2009
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Arable Area | 362 | 86 | 24% | 0.04 | 79 | 47 | 59% | 8.6 | ||
| Digital display | 3078 | 1057 | 34% | 0.00 | 977 | 880 | 90% | 2.2 | ||
| Peculiar primes | 845 | 267 | 32% | 0.01 | 238 | 179 | 75% | 6.0 | ||
Kattis