Method add

src/class152/FollowUp1.java:68–74

(int num)

	}

	public static void add(int num) {
		split(0, 0, head, num);
		key[++cnt] = num;
		size[cnt] = 1;
		priority[cnt] = Math.random();
		head = merge(merge(right[0], cnt), left[0]);
	}

	public static void remove(int num) {
		split(0, 0, head, num);