Method isUnique

java/Chapter 18/Question18_6/QuestionC.java:54–63

(int[] array)

	}
	
	public static boolean isUnique(int[] array) {
		int[] cloned = array.clone();
		Arrays.sort(cloned);
		for (int i = 1; i < cloned.length; i++) {
			if (cloned[i] == cloned[i - 1]) {
				return false;
			}
		}
		return true;
	}
	
	public static int max(int[] array, int left, int right) {
		int max = Integer.MIN_VALUE;