Question

输入某个点A的平面坐标（x,y）判断（输出）A点是在圆内、圆外还是在圆周上，其中圆心坐标为（2,2)半径为1

这是c语言的编程问题

Answer 1

#include<studio.h>
main()
{float x,y,a;
printf("Please Enter x and y:");
scanf("%f,%f",&x,&y);
a=(x-2)*(x-2)+(y-2)*(y-2)；
if(a<1)
printf("A is in the circular");
if(a==1)
printf("A is on the circular");
else
printf("A is out the circular");

}