| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| dys | Task Dyslexia [B] | 12 | 41% | 54 | |
| trz | Task Earthquake | ontak 2010 | 7 | 71% | 75 |
| trz | Task Earthquake | 1 | 0% | 30 | |
| wsc | Task East-West | oi 11 e3 d1 | 35 | 48% | 72 |
| wsc | Task East-West | 29 | 51% | 87 | |
| edi | Task Editor | 4 | 75% | 83 | |
| edi | Task Editor | boi 2015 | 10 | 30% | 43 |
| pra | Task Electricity | pa 2008 final | 17 | 88% | 90 |
| pra | Task Electricity | 5 | 40% | 40 | |
| slo | Task Elephants | oi 16 e1 | 251 | 75% | 81 |
| slo | Task Elephants | 101 | 77% | 80 | |
| pus | Task Empty Cuboids | 17 | 29% | 73 | |
| pus | Task Empty Cuboids | oi 6 e1 | 22 | 54% | 86 |
| enc | Task Encyclopedia [B] | pa 2007 r3 b | 66 | 62% | 73 |
| enc | Task Encyclopedia [B] | 7 | 42% | 48 | |
| zli | Task Enumeration of Road Network Plans | pa 2008 final | 6 | 66% | 74 |
| zli | Task Enumeration of Road Network Plans | 13 | 76% | 88 | |
| euk | Task Euclidean Nim | 3 | 66% | 66 | |
| euk | Task Euclidean Nim | amppz 2014 | 47 | 74% | 77 |
| eul | Task Euler's Problem | 10 | 60% | 77 |