Method down

src/class161/Code06_Tourism1.java:191–197

(int i)

	}

	public static void down(int i) {
		if (addTag[i] != 0) {
			lazy(i << 1, addTag[i]);
			lazy(i << 1 | 1, addTag[i]);
			addTag[i] = 0;
		}
	}

	public static void build(int l, int r, int i) {
		if (l == r) {