Answer to Question #169503 in C++ for Amanuel futessa

Question

Take an integer from the user and display the factorial of that number

Answer 1

#include <iostream>

using namespace std;

int main() 

{

   int n;

   unsigned long long int fact=1;

   cout<<"Enter a positive integer ";

   cin>>n;

   if(n<0)

   {

       cout<<"\nError! Negative Integer entered. ";

   }

   else

   {

       for(int i=1;i<=n;i++)

       {

           fact=fact*i;

       }

   cout<<"\nFactorial of "<<n<<" is "<<fact;

}

return 0;

}