View Code of Problem 69

#include<stdio.h>



int main()
{
	int x;
	scanf("%d",&x);
	int y;
	if(x<1)
		y=x;
	else if(x>=1&&x<=10)
		y=2*x-1;
	else
		y=3*x-11;
	printf("%d\n",y);
	return 0;
}