4 types of characters are enough to solve this challenge?
Tips
- If you are not familiar with perl, you can let AI understand the content of
jail.pland focus on the puzzle part.
Jail challenges are about escaping from some kind of restricted execution environment (= jail). Players take advantage of the fact that the given environment or restrictions are not perfect, aiming to achieve unintended operations.
In particular, challenges related to Python language features are called Pyjail challenges. (automatically translated from Japanese)
minaminao
minaminao
ark
minaminao
serioton
blackade
tchen
tchen
serioton
yu212
ark
minaminao
minaminao
minaminao
hiikunz
minaminao
minaminao
ark
ark
ptr-yudai
ptr-yudai
ark
satoki
ark
satoooon
shiftcrops
Daily AlpacaHack B-SIDETopic: Jail, PerlReleased: Apr 4, 2026