TopCoder SRM 503 Division 2 - 500 point problem

ToastXToast.java

import java.util.Arrays;

public class ToastXToast {
    public int bake(int[] undertoasted, int[] overtoasted) {
        Arrays.sort(undertoasted);
        Arrays.sort(overtoasted);

        if (undertoasted[0] > overtoasted[0] || undertoasted[undertoasted.length - 1] > overtoasted[overtoasted.length - 1]) {
            return -1;
        } else if (undertoasted[undertoasted.length - 1] < overtoasted[0]) {
            return 1;
        }
        return 2;
    }
}