View Code of Problem 69

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