Problems from CTU Open 2011
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Ambiguous Result | 269 | 59 | 22% | 0.02 | 90 | 56 | 62% | 7.8 | ||
| Collatz Conjecture | 5229 | 1158 | 22% | 0.00 | 1015 | 817 | 80% | 3.8 | ||
| Domino Tiling | 47 | 19 | 40% | 0.05 | 21 | 14 | 67% | 7.9 | ||
| Intergalactic Mortgage | 447 | 85 | 19% | 0.08 | 85 | 54 | 64% | 8.0 | ||
| Invasion | 716 | 289 | 40% | 0.04 | 83 | 70 | 84% | 4.7 | ||
| Mine the Gradient | 45 | 15 | 33% | 0.33 | 19 | 14 | 74% | 6.6 | ||
| Simple Polygon | 368 | 55 | 15% | 0.23 | 65 | 23 | 35% | 8.9 | ||
| Text Encryption | 895 | 375 | 42% | 0.00 | 380 | 322 | 85% | 3.2 | ||