View Code of Problem 69

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