Code:
#include cstring
#include iostream
#include cstdlib
#define ll long long
using namespace std;
/*
* Find Factorial of a Number using Recursion
*/
ll fact_recur(int n)
{
if (n == 0 || n == 1)
return 1;
else
return n * fact_recur(n - 1);
}
/*
* Main
*/
int main()
{
int n;
while (1)
{
cout<<"Enter interger to compute factorial(0 to exit): ";
cin>>n;
if (n == 0)
break;
cout<
}
return 0;
}
Output:
Enter interger to compute factorial(0 to exit): 10
3628800
Enter interger to compute factorial(0 to exit): 20
2432902008176640000
Enter interger to compute factorial(0 to exit): 15
1307674368000
Enter interger to compute factorial(0 to exit): 0
------------------
(program exited with code: 1)
Press return to continue
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