Problems from Northeast North America Regional 2013
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| DVDs | 2716 | 1228 | 45% | 0.04 | 887 | 735 | 83% | 2.9 | ||
| Palindromes in crosswords | 184 | 36 | 20% | 0.56 | 42 | 26 | 62% | 7.6 | ||
| Pegs | 17 | 6 | 35% | 0.16 | 9 | 5 | 56% | 7.2 | ||
| Pipes | 85 | 11 | 13% | 0.00 | 18 | 9 | 50% | 8.5 | ||
| Robot in a Maze | 351 | 135 | 38% | 0.27 | 110 | 90 | 82% | 5.5 | ||
| WordSpin | 289 | 80 | 28% | 0.06 | 87 | 66 | 76% | 5.4 | ||