Editorial for JOI '22 Spring Camp Day 1 P1 - Jail
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
https://www.ioi-jp.org/camp/2022/2022-sp-tasks/contest1/jail-review.pdf
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