scanf运行被跳过
int main(){
int x,y,r,x1,y1,temp1,temp2,j;
double h;
printf("请输入圆的坐标:如(x,y)\n");
scanf("(%d,%d)",&x,&y);
printf("请输入圆的半径:r");
scanf("%d",&r);
printf("请输入点的坐标:如(x1,y1)\n");
scanf("(%d,%d)",&x1,&y1);
if(x>x1) temp1=x-x1;
else temp1==x1-x;
if (y>y1) temp2=y-y1;
else temp2=y1-y;
j=temp1*temp1+temp2*temp2;
h=sqrt(j);
if(h>r) printf("点不在圆上!");
else printf("点在圆上!");
return 0;
}