Method add

src/class027/Code02_MaxCover.java:73–80

(int x)

	public static int size;

	public static void add(int x) {
		heap[size] = x;
		int i = size++;
		while (heap[i] < heap[(i - 1) / 2]) {
			swap(i, (i - 1) / 2);
			i = (i - 1) / 2;
		}
	}

	public static void pop() {
		swap(0, --size);