Method nearest

src/class195/Code09_Jail1.java:180–186

(int x, int y)

	}

	public static int nearest(int x, int y) {
		if (isAncestor(y, x)) {
			return kthAncestor(x, dep[x] - dep[y] - 1);
		} else {
			return stjump[y][0];
		}
	}

	public static void pathSet(int x, int y, int prisoner) {
		if (dep[x] < dep[y]) {