Number

/*
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 */

//package javaapplication15;

/**
 *
 * @author tuukkatu
 */
public class JavaApplication15 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        // TODO code application logic here
        
        IO io = new IO();
        
        long number = io.nextLong();
        
        long money = 0;
        
        long costA = io.nextLong();
        
        
        long costB = io.nextLong();
        
        while (number >= 1)
        {
            double get1 = divide(number, costA);
            
            double get2 = reduce(number, costB);
            
            if (get1 > get2)
            {
                number = number / 2;
                
                money = money - costA;
            }
            else
            {
                break;
            }
        }
        
        money = money - (number * costB);
        
        io.println(Math.abs(money));
        
        io.close();
    }
    
    private static double divide(long number,
                                 long costA)
    {
        long newNumber = number / 2;
        
        long reduction = number - newNumber;
        
        return (double)reduction / (double)costA;
        
    }
    
    private static double reduce(long number,
                                 long costB)
    {
        return (double)(1) / (double)(costB);
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED

Test 25

Verdict: ACCEPTED

Test 26

Verdict: ACCEPTED

Test 27

Verdict: ACCEPTED

Test 28

Verdict: ACCEPTED

Test 29

Verdict: ACCEPTED

Test 30

Verdict: ACCEPTED