4-3输入x输出对应的y

#include

int main(){
	int x,y;
	printf("请输入x；");
	scanf("%d",&x);
	if(x<1){
		y=x;			
		printf("x=%d,      y=x=%d",x,y);
		}
	
	else if(x>=1&&x<10){
		y=2*x-1;
		printf("x=%d,      y=2*x-1=%d",x,y);
	}
	else{
		y=3*x-11;
		printf("x=%d,      y=3*x-13=%d",x,y);
	}
	return 0;
}