return s(n?

exams CPA-21-02 V1 CPA-21-02 exam 0 Comments

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int s(int n);

int main()

{

int a;

a = 3;

cout << s(a);

return 0;

}

int s(int n)

{

if(n == 0) return 1;

return s(n?1)*n;

}
A . It prints: 4
B . It prints: 6
C . It prints: 3
D . It prints: 0