Problems from 2015 Southeast USA Regionals Division 1
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| Airports | 698 | 217 | 31% | 0.11 | 189 | 141 | 75% | 5.5 | ||
| Checkers | 219 | 33 | 15% | 0.00 | 75 | 30 | 40% | 7.8 | ||
| Coverage | 160 | 32 | 20% | 0.04 | 45 | 28 | 62% | 7.1 | ||
| Gears | 262 | 125 | 48% | 0.00 | 135 | 119 | 88% | 3.7 | ||
| Grid | 5698 | 2206 | 39% | 0.01 | 1596 | 1380 | 86% | 3.2 | ||
| Hilbert Sort | 307 | 80 | 26% | 0.04 | 89 | 65 | 73% | 6.5 | ||
| Racing Gems | 143 | 59 | 41% | 0.03 | 65 | 49 | 75% | 6.7 | ||
| Simplicity | 2956 | 1151 | 39% | 0.00 | 1116 | 964 | 86% | 2.9 | ||
| Weightlifting | 179 | 73 | 41% | 0.00 | 55 | 49 | 89% | 4.3 | ||