View Code of Problem 69

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