PLAYING WITH CARDS (IN STACK) - Doubt

#1

Please explain the question with a better testcase. I am having trouble understanding the question.

Playing with cards cant understand
#2

hey @Bumblebee, cosider this pic.Hope it will help you

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#3

Thanks a lot! Explanation was really good.

#4

hey @Bumblebee , if your query is resolved. Please mark this doubt as resolved and rate me on the basis of your experience.
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