View Code of Problem 69

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