#include <conio.h>
#include <stdio.h>
#include <math.h>

int main()
{
    int a,b,c;
    float x1, x2;
    double d;
    printf("Input a: ");
    scanf("%d", &a);
    printf("Input b: ");
    scanf("%d", &b);
    printf("Input c: ");
    scanf("%d", &c);
    d = b*b-4*a*c;
    if (d >= 0)
    {
        if (d == 0)
        {
        x1 = (-1*b)/(2*a);
            printf("x1 = %f", x1);
        }
        else
        {
            x1 = (-1*b+sqrt(d))/(2*a);
            x2 = (-1*b-sqrt(d))/(2*a);
            printf("x1= %f x2= %f", x1, x2);
        }
    }
    else
    {
        printf("Net korney");
    }
    getch();
    return 0;
}