Editorial for LCC ‘23 Contest 1 S2 - sdraC eht pilF
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.
Author:
For <REDACTED> to be lying, at least one of the cards with the letter must not have the number
on the back. Thus, Shane needs to flip all cards with the letter
facing up, and all cards that do not have the number
facing up. Note that a card with the number
but not the letter
will not indicate if <REDACTED> is lying.
Time Complexity:
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