Stuck on easy stack problem

Revision en1, by aakarshmadhavan, 2018-07-21 04:32:41

I feel really very stupid right now.

I am stuck on this problem and it sounding very very easy. I know it has to do with stack but the stupid multiplication and division are making it hard for me.

What can I do?

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en1 English aakarshmadhavan 2018-07-21 04:32:41 286 Initial revision (published)