Functions and Procedures in C++ MCQ question and answer with solution | C++ Programimg MCQs

#include <iostream>
using namespace std;
int func (int a, int b)
{
    cout << a;
    cout << b;
    return 0;
}
int main(void)
{
    int(*ptr)(char, int);
    ptr = func;
    func(2, 3);
    ptr(2, 3);
    return 0;
}

 include <iostream>
using namespace std;
long factorial (long a)
{
    if (a > 1)
        return (a * factorial (a + 1));
    else
        return (1);
}
int main ()
{
   long num = 3;
   cout << num << "! = " << factorial ( num );
   return 0;
}