private static void updateDeg(
			HashMap<Integer, Pair> candidate) {
		for (Pair ca : candidate.values())// oneLeap中节点和candidate中节点的交集数
		{
			int number = 0;
			HashSet<Integer> adj = oneLeap.get(ca.point);
			if (candidate.size() < adj.size()) {
				for (Integer out : candidate.keySet()) {
					if (adj.contains(out))
						number++;
				}
			} else {
				for (Integer a : adj) {
					if (candidate.containsKey(a))
						number++;
				}
			}
			ca.cdeg = number;
		}
	}