factorial c++ without using function
#include <iostream>
using namespace std;
int main()
{
unsigned int num; //unsigned is used for not taking negetive values.
unsigned long long factorial = 1; //Since the factorial a number can be large, so long long data type is used.
cout << "Give me any positive number : ";
cin >> num;
for (int i = 1; i <= num; i++) {
factorial = factorial * i;
}
cout << "Factorial of the given number is: " << factorial;
}