判断坐标是否在圆内C语言

#include 
#include 
int main(){
	int h; 
	float x,y;
	printf("请输入坐标(x,y):");
	scanf("(%f,%f)",&x,&y);
	float d1,d2,d3,d4;
	d1=sqrt((x-2)*(x-2)+(y-2)*(y-2));
	d2=sqrt((x-2)*(x-2)+(y+2)*(y+2));
	d3=sqrt((x+2)*(x+2)+(y-2)*(y-2));
	d3=sqrt((x+2)*(x+2)+(y+2)*(y+2));
	if(x>=0&&y>=0){
		if(d1>1){
			h=0;
		}
		else{
			h=10;
		}
	}
	if(x>0&&y<0){
		if(d2>1){
			h=0;
		}
		else
			h=10;
	}
	if(x<0&&y>0){
		if(d3>1)
			h=0;
		else
			h=10;
	}
	if(x<0&&y<0){
		if(d4<1)
			h=0;
		else
			h=10;
	}
	printf("n该点的建筑高度为%d。n",h);
}