View Code of Problem 69

#include <stdio.h>
int main(void)
{
	int x,y;
    while(scanf("%d",&x)!=EOF)
    {
		if(x<1)
		{
			y=x; 
			printf("%d\n",y);
		}
		if(1<=x && x<10)
		{
			y=2*x-1;
			printf("%d\n",y);
		}
		if(x>=10)
		{
			y=3*x-11;
			printf("%d\n",y);
		}
    }
    return 0;
}