View Code of Problem 69

#include <stdio.h>
 
int main()
{
	int x,y;
	printf("请输入x值：");
	scanf("%d",&x);
	if(x < 1)
		y = x;
	else if(x >= 1 && x < 10)
		y = 2 * x - 1;
	else
		y = 3 * x - 11;
	printf("对应的y值是：%d\n",y);
	return 0;
}