Problems from CTU Open 2011
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Ambiguous Result | 299 | 68 | 23% | 0.02 | 100 | 63 | 63% | 7.2 | ||
| Collatz Conjecture | 6004 | 1359 | 23% | 0.00 | 1162 | 941 | 81% | 3.7 | ||
| Domino Tiling | 64 | 23 | 36% | 0.05 | 24 | 16 | 67% | 7.8 | ||
| Intergalactic Mortgage | 649 | 131 | 20% | 0.08 | 117 | 82 | 70% | 6.6 | ||
| Invasion | 875 | 335 | 38% | 0.04 | 131 | 106 | 81% | 5.7 | ||
| Mine the Gradient | 63 | 25 | 40% | 0.11 | 23 | 18 | 78% | 6.4 | ||
| Simple Polygon | 424 | 68 | 16% | 0.23 | 74 | 28 | 38% | 8.6 | ||
| Text Encryption | 1056 | 442 | 42% | 0.00 | 453 | 386 | 85% | 3.2 | ||