Problems from CTU Open 2009
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Arable Area | 358 | 86 | 24% | 0.04 | 77 | 47 | 61% | 8.4 | ||
| Digital display | 2858 | 967 | 34% | 0.00 | 893 | 804 | 90% | 2.3 | ||
| Peculiar primes | 795 | 253 | 32% | 0.01 | 223 | 168 | 75% | 5.9 | ||
Kattis