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",y);
	return 0;
 }