| # | Problem Code | Users Solved |
|---|---|---|
| 2171 | ACSL JUNIOR Contest 2001-2002 S#1 | x5 |
| 2224 | ACSL JUNIOR Contest 2010-2011 S#3 | x5 |
| 2334 | Intermediate-by-subject-Computer-Number-Systems | x5 |
| 2338 | Intermediate-by-subject-Evaluate-prefix-infix-postfix | x5 |
| 2356 | ACSL Intermediate Contest 2016-2017 FS# | x5 |
| 2425 | ACSL SENIOR Contest 2018-2019 P#2 | x5 |
| 2430 | ACSL SENIOR Contest 2017-2018 P#3 | x5 |
| 2436 | ACSL SENIOR Contest 2015-2016 P#1 | x5 |
| 2437 | ACSL SENIOR Contest 2015-2016 P#2 | x5 |
| 2454 | ACSL SENIOR Contest 2011-2012 P#2 | x5 |
| 2455 | ACSL SENIOR Contest 2011-2012 P#3 | x5 |