Method up

src/class161/Code06_Tourism1.java:177–183

(int i)

	}

	public static void up(int i) {
		int l = i << 1, r = i << 1 | 1;
		max[i] = Math.max(max[l], max[r]);
		min[i] = Math.min(min[l], min[r]);
		lprofit[i] = Math.max(Math.max(lprofit[l], lprofit[r]), max[r] - min[l]);
		rprofit[i] = Math.max(Math.max(rprofit[l], rprofit[r]), max[l] - min[r]);
	}

	public static void lazy(int i, int v) {
		max[i] += v;