Ivelin

#include "stdafx.h"
#include <iostream> //cout and cin
#include <math.h> //sqrt

using namespace std;

int main()
{
    int x = -100;

    while (x <= 100) {
        if (x < 0)
        {
            cout << sqrt(x * x + 1) << endl;
        }

        else {
            if (x == 20) {
                cout << "Cannot divide by 0" << endl;
            }
            else
            {
                cout << (x + 10) / (x - 20) << endl;
            }
        }

        x = x + 10;
    }

    system("pause"); // if you press f5 and not control f5,
}