minmax

    public static int[] MinMax(int[] array){
        if(array.length==0) return null;
        int max = array[0];
        int min = array[0];
        int[] sol = new int[2];
        for(int i=0; i<array.length;i++){
            if(max < array[i]) max = array[i];
            if(min > array[i]) min = array[i];
        }
        sol[0] = min;
        sol[1] = max;
        return sol;
    }