Method find

src/class174/Code05_Lcm1.java:76–81

(int x)

	}

	public static int find(int x) {
		while (x != fa[x]) {
			x = fa[x];
		}
		return x;
	}

	public static void union(int x, int y, int a, int b) {
		int fx = find(x);