Problems from Northeast North America Regional 2013
| Submissions | Users | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name | Total | Acc. | Ratio | Fastest | Total | Acc. | Ratio | Difficulty | ||
| DVDs | 3335 | 1518 | 46% | 0.04 | 1124 | 943 | 84% | 3.0 | ||
| Palindromes in crosswords | 197 | 39 | 20% | 0.56 | 48 | 29 | 60% | 8.4 | ||
| Pegs | 18 | 7 | 39% | 0.16 | 10 | 6 | 60% | 7.2 | ||
| Pipes | 114 | 15 | 13% | 0.00 | 26 | 12 | 46% | 9.1 | ||
| Robot in a Maze | 387 | 151 | 39% | 0.27 | 126 | 104 | 83% | 5.8 | ||
| WordSpin | 343 | 111 | 32% | 0.06 | 103 | 81 | 79% | 5.3 | ||