Choose 7 and then insert some random 3 numbers. For some reason there is random number at the end.Why?

Question

https://code.sololearn.com/cZAQwMBS3Z7I/?ref=app

Answer 1

You typed cout << delta(x,y,z);
and delta has int as return type but delta never returns anything so it just returns whatever and then prints that.

Answer 2

Thanks Dennis. I fixed it now.