Method up

src/class148/FollowUp1.java:37–40

(int i)

	public static int[] size = new int[MAXN];

	public static void up(int i) {
		size[i] = size[left[i]] + size[right[i]] + count[i];
		height[i] = Math.max(height[left[i]], height[right[i]]) + 1;
	}

	public static int leftRotate(int i) {
		int r = right[i];