return statement in ternary operator c++

Question

I wrote the absolute function using ternary operator as follows

int abs(int a) {
 a >=0 ? return a : return -a;
}

I get the following er

Answer 1

Your syntax is incorrect. It should be

if (a >=0)
    return a;
else
    return -a;

or the way you wanted it:

return a >=0 ? a : -a;