| # | Problem Code | Users Solved |
|---|---|---|
| 2250 | ACSL JUNIOR Contest 2015-2016 S#4 | x19 |
| 2321 | ACSL JUNIOR Contest 2011-2012 FS# | x19 |
| 2703 | ACSL Intermediate Division 2014-2015 Finals #3 Spelling | x19 |
| 4203 | ACSL Intermediate Contest 2021-2022 S#2 | x19 |
| 4623 | ACSL SENIOR Contest 2020-2021 S#1 | x19 |
| 4626 | ACSL SENIOR Contest 2020-2021 S#4 | x19 |
| 5277 | ACSL JUNIOR Contest 2024-2025 S#4 | x19 |
| 1630 | ACSL INTERMEDIATE Contest 2016-2017 P#4 | x18 |
| 1637 | ACSL INTERMEDIATE Contest 2014-2015 P#3 | x18 |
| 1642 | ACSL JUNIOR CODING 2013-2014 Contest #4 | x18 |
| 1644 | ACSL INTERMEDIATE Contest 2012-2013 P#2 | x18 |