Fl.java

 
import java.util.HashSet;
import java.util.Scanner;
 
/*
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/**
 *
 * @author kajanek6
 */
public class Fl {
 
 
    public static void main(String[] args) {
        HashSet<Double> mnozina=new HashSet<Double>();
        double n=0;
        int counter=0;
        double y=0;
        Scanner input = new Scanner(System.in);
        while (input.hasNextLine()) {
            counter=0;
            String temp = input.nextLine();
            n=Double.parseDouble(temp.substring(2));
            for(double i=1;i<10000;i++)
            {
                if((i-n)>0){
                    double vysl = n*i/(i-n);
                    //System.out.println(Math.abs(vysl-Math.round(vysl)));
                    if(vysl>0 && Math.abs(vysl-Math.round(vysl))<0.0001)
                    {
                        if(!mnozina.contains(i)){
                            counter++;
                            mnozina.add(i);
                             mnozina.add((double)Math.round(vysl));
                        }
 
 
                    }
                }
            }
            System.out.printf("%d\n",counter);
    }
    }
 
    public class pair{
        public int prvy;
        public int druhy;
 
        public pair(int a,int b){
            prvy=a;
            druhy=b;
        }
    }
}