Problems from CTU Open 2011
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Ambiguous Result | 301 | 70 | 23% | 0.02 | 102 | 65 | 64% | 7.1 | ||
| Collatz Conjecture | 6234 | 1434 | 23% | 0.00 | 1215 | 987 | 81% | 3.7 | ||
| Domino Tiling | 64 | 23 | 36% | 0.05 | 24 | 16 | 67% | 7.3 | ||
| Intergalactic Mortgage | 740 | 155 | 21% | 0.05 | 128 | 92 | 72% | 6.4 | ||
| Invasion | 914 | 355 | 39% | 0.04 | 150 | 121 | 81% | 6.0 | ||
| Mine the Gradient | 64 | 25 | 39% | 0.11 | 24 | 18 | 75% | 7.1 | ||
| Simple Polygon | 427 | 68 | 16% | 0.23 | 75 | 28 | 37% | 8.7 | ||
| Text Encryption | 1087 | 453 | 42% | 0.00 | 465 | 396 | 85% | 3.2 | ||