Cómo puedo simplificar esto? / How can I simplify this?

Question

Este ejercicio 44.2 de la versión Pro ya esta correctamente resuelto, pero me gustaría saber cómo podría simplificar la parte de la función en la que se ponen las distintas multiplicaciones, en vez de escribirlas una a una.
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This exercise 44.2 of the Pro version is already correctly solved, but I would like to know how I could simplify the part of the function in which the different multiplications are put, instead of writing them one by one.

https://code.sololearn.com/coOVAJWoKQ3G/?ref=app

Answer 1

You can do this with a for loop. With step = n. A little bit tricky is to find out the right start value. Because "n" based on the natural cout (1,2,3...), but the arrays index is zero based (0,1,2...)
I've made an example. Maybe you will find out how it works.
https://code.sololearn.com/cLYoa59EfR0M/?ref=app

Answer 2

wow! Thank you very much, I was overthinking, when in fact it was so simple and clean.