OJ Board

What if I have only one vehicle and the following photos are ordered chronologically:

exit, enter, enter, exit, exit, exit, enter

Which one is paired with which one?


"Each "enter" record is paired with the chronologically next record for the same vehicle provided it is an "exit" record ...

Probably, the most common mistake in the problem, which the most obvious way of implementation entails, is that if the king is attacked by something else than a knight or a pawn, make sure it cannot step back, I mean, this position, for instance, is mate: Kc6, Qg8, Kc8.
Thank you, very much!! I ...

I cannot find my mistakes. Write, please, any tests.