Help with the verdict idleness limit exceeded

Revision en1, by _Erased, 2020-04-22 06:32:20

Can someone please explain how to remove the verdict "idleness limit exceeded" in the problem 1270D - Strange Device. Here is my submission 77603592

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en1 English _Erased 2020-04-22 06:32:20 199 Initial revision (published)