View Code of Problem 69

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