输入0.5 5.1 13 1 1.7 4.5这组数据为什么输出不了

Question

#include <stdio.h>
#include <math.h>
int main()
{
double x1, y1, r1, x2, y2, r2, d;
while (scanf("%lf%lf%lf", &x1, &y1, &r1), scanf("%lf%lf%lf", &x2, &y2, &r2) != EOF)
{
d = sqrt(fabs(x1 - x2) * fabs(x1 - x2) + fabs(y1 - y2) * fabs(y1 - y2));
if (d > r1 + r2)
{
printf("disjoint\n");
}
else if (fabs(r1 - r2) < d)
{
printf("contain\n");
}
else if (fabs(r1 - r2) == d)
{
printf("internally tangent\n");
}
else if (r1 + r2 == d)
{
printf("externally tangent\n");
}
else if (d > fabs(r1 - r2) && d < fabs(r1 + r2))
{
printf("overlap\n");
}
}
return 0;
}

Answer 1

逻辑有问题，代码修改如下：

#include <stdio.h>
#include <math.h>
int main()
{
    double x1, y1, r1, x2, y2, r2, d;
    while (scanf("%lf%lf%lf", &x1, &y1, &r1), scanf("%lf%lf%lf", &x2, &y2, &r2) != EOF)
    {
        d = sqrt(fabs(x1 - x2) * fabs(x1 - x2) + fabs(y1 - y2) * fabs(y1 - y2));
        if (d > r1 + r2)
        {
            printf("disjoint\n");
        }else if (r1 + r2 == d)
        {
            printf("externally tangent\n");
        }else
        {
            if (fabs(r1 - r2) < d)
            {
                printf("contain\n");
            }
            else if (fabs(r1 - r2) == d)
            {
                printf("internally tangent\n");
            }
            else
            {
                printf("overlap\n");
            }
        }
        
    }
    return 0;
}