code to print multiplication table of a number entered by an user in C++

#include <iostream>

#include <cmath>

// code to print multiplication table of a number entered by an user.

using namespace std;

int main(){

    int num;

    cout << "enter a num : ";

    cin >> num;

    for(int i = 1; i <= 10; i++){

        int multiply = num*i;

        cout << num << " " << "x " << i << " is " << multiply << endl;

    }

    return 0;

}