View Code of Problem 69

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