Task

7.
#include <iostream>
#include <string>
#include <cmath>
using namespace std;

int main() {
    int n, mul_of_nums;

    cout << "Number n: ";
    cin >> n;

    mul_of_nums = 1;

    for (int i = 1; i <= n; i++){

        mul_of_nums *= i;
    }

    cout << "Multiplication of all numbers: "<< mul_of_nums;
    return 0;
}



=========================================
11.
#include <iostream>
using namespace std;

int main() {
    int n, m;
    cout << "Enter n and m with space between or on different rows:" << endl;
    cin >> n >> m;

    for (int i = 1; i <= 100; i++){
        if (i % n == 0 && i % m ==0) {
            cout << i << endl;
        }
    }
  return 0;
}