Yahav Q1

#include <stdio.h>


int main()
{


    printf("Please enter the coefficients of the polynomial:\n");
        double a0,a1,a2,a3,a4,a5;
   scanf("%lf%lf%lf%lf%lf%lf", &a0,&a1,&a2,&a3,&a4,&a5);
    printf("Please enter the range:\n");
     double start,end =0;
   int checkresults = scanf("%lf%lf", &start,&end);
    while(checkresults != 2 || start > end)
    {
        printf("Invalid range! Please enter the range:\n");
        checkresults =scanf("%lf%lf", &start,&end);
    }
    int newstart = (int)start; int newend = (int)end;
    for (int i=newstart; i<=newend;i++)
    {
        double sum = a0 + a1*i + a2*i*i + a3*i*i*i + a4*i*i*i*i + a5*i*i*i*i*i;
        if( sum >= -0.00001 && sum <= 0.00001)
        {
             printf("The polynomial has a root: x=%d.", i);
             return 0;
        }
    }
    printf("Could not find a root.");
    return 0;
}