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Write a C++ Program to Find Factorial
PROGRAM:C++ Program to Find Factorial
/* C++ Program to Find Factorial*/
#include <iostream>
using namespace std;
int main() {
int n;
long factorial = 1.0;
cout << “Enter a positive integer: “;
cin >> n;
if (n < 0)
cout << “Error! Factorial of a negative number doesn’t exist.”;
else {
for(int i = 1; i <= n; ++i) {
factorial *= i;
}
cout << “Factorial of ” << n << ” = ” << factorial;
}
return 0;
}
