Question4395079.java

public class Question4395079 {
    public static void main (String [] args) {
        int sum = 0;
        
        outer:
        for (int i = 1;i <= 99999;i++) {
            int bits = 0;
            for (char c : String.valueOf(i).toCharArray()) {
                int mask = 1 << (c - '0');
                if ((bits & mask) != 0)
                    continue outer;
                bits |= mask;
            }
            sum += i;
        }
        
        System.out.println("sum : " + sum);
    }
}