How can the factorial of any number be programmed in c++?

Question

Code

Answer 1

#include <iostream>
using namespace std;

int main() {

int num, factorial=1;
cin>>num;

for(int i=1;i<=num;i++)
factorial=factorial*i;

cout<<factorial;

return 0;
}

Answer 2

Here is the simplest solution: https://code.sololearn.com/ciGCbmm9BfTH/#cpp
If you need an explanation, please tell me and I'll try to explain it.
Also, you can do this with recursion.

Answer 3

This is the code with recursion: https://code.sololearn.com/cmfKDfPII6V6/#cpp