View Code of Problem 69

#include<stdio.h>
#include <string.h>
#include <math.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
	y=3*x-11;
	printf("%d",y);
	printf("\n");
	return 0;
}