I skipped the WSQ 11 because I don’t know yet how to do it.

With a quick research I realice that this WSQ was easy with the proper knowledge, of course.

http://codereview.stackexchange.com/questions/66711/greatest-common-divisor
Here is where I got the dea of how to do it.
The only thing that I don’t understand was “?:” operator so I search it in the holy Wikipedia
https://en.wikipedia.org/wiki/%3F:#C.2B.2B
gcd

Also here is the link to my code in GitHub
https://github.com/ReneOro97/-WSQ/blob/master/%23WSQ12
 

CC BY 4.0 #WSQ12 by ranaorozco2 is licensed under a Creative Commons Attribution 4.0 International License.