Question

design a program for calculating factorial of a number in c++??

Answer 1

#include <iostream.h>
using namespace std;
int main()
{
unsigned int n;
unsigned long long factorial = 1;
cout << "Enter a positive integer: ";
cin >> n;
for(int i = 1; i <=n; ++i)
{ factorial *= i; }
cout << "Factorial of " << n << " = " << factorial; return 0;
}
HOPE IT WILL HELP U