View Code of Problem 69

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