3- Write a C++ program by using for loop that will ask for an integer as a parameter and display its factorial. Hint factorial (5)=5^ * 4^ * 3^ * 2^ * 1

#include <iostream>

using namespace std;

int main() {  

 int n;

 cout << "Enter number: ";

 cin >> n;

 int fact = 1;

 for(int i=2; i<=n; i++) {

   fact *= i;

 }

 cout << n << "! = " << fact << endl;

}

Explanation:

Another cool way to do this is to write a recursive function. But here specifically a for loop was asked.

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