| 2550 | ACSL Senior Division 2010-2011 Finals #8 gray code | x1 |
| 2690 | ACSL Intermediate Contest 2019-2020 S#2 | x1 |
| 2697 | ACSL-jr-Data-Structure | x1 |
| 2706 | seoTitle not available | x1 |
| 2713 | seoTitle not available | x1 |
| 2723 | ACSL Intermediate Division 2014-2015 Finals #5 Letters | x1 |
| 2725 | ACSL Senior Division 2014-2015 Finals #7 Rounding the Bases | x1 |
| 2968 | Prefix-Infix-Postfix-Notation | x1 |
| 2969 | Elementary-by-subject--Boolean-algebra | x1 |
| 3164 | ACSL Intermediate Division 2012-2013 Finals #5 Ternary | x1 |
| 3165 | ACSL Senior Division 2012-2013 Finals #6 Luhn | x1 |