public static boolean judgeKplex2(HashMap<Integer, Integer> res,
			ArrayList<Pair> candidate, ArrayList<Integer> critnodes) {// ,ArrayList<Integer>
																		// splitter
		critnodes.clear();
		boolean r = true;
		for (Pair pair : candidate) {
			if (pair.discon + pair.deg > k_plex - 1)
				return false;
			else if (pair.discon + pair.deg == k_plex - 1) {
				critnodes.add(pair.point);
			}
		}
		return r;
	}