I think the best practice for theese kind of problems is just to check for an formula. Dont look for solution, look for formula to solve the problem. Ofc not always. Learning how to google things and use is also important. I tried with loop, but that is so unnecesary. And u cant solve this without math brains. With loop yes, without? Nah.

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COBOL translation kumited <3

Thanks :)

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R translation (author inactive)

No.