View Code of Problem 69

#include<stdio.h> 
#include<string.h>
#include<math.h>
int main(){ 
    int x;
    scanf("%d",&x);
    if(x<1) printf("%d",x);
    else if(x>=1&&x<10) printf("%d",2*x-1);
    else printf("%d",3*x-11);
    return 0; 
     
}