1003 터렛
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#include <stdio.h>
#include <math.h>
int main(void) {
int T,i;
int x1,y1,r1,x2,y2,r2;
double dist, temp;
scanf("%d",&T);
for(i=0;i<T;i++)
{
scanf("%d %d %d %d %d %d",&x1,&y1,&r1,&x2,&y2,&r2);
x2 -= x1;
y2 -= y1;
x1 = 0;
y1 = 0;
dist = sqrt(pow(x2,2) + pow(y2,2));
temp = dist - r1;
if(temp < 0)
temp *= -1;
printf("%f\n",dist);
if(dist == 0.0 && r1 == r2)
printf("-1\n");
else if(r2 < dist + r1 && r2 > temp)
printf("2\n");
else if(r2 == dist + r1 || r2 == temp)
printf("1\n");
else
printf("0\n");
}
return 0;
}
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