美团笔试8.10

第一题就是去重+排序

public class SecretKey {
    public static void main(String[] args) {
        Scanner  sc = new Scanner(System.in);
        List<Node> list = new ArrayList<>();
        int n = sc.nextInt();
        String ok = sc.next();
        HashSet<String> set = new HashSet<>();
        for(int i = 0;i<n;i++){
            String str = sc.next();
            if(!set.contains(str)){
                list.add(new Node(str.length(),str));
            }
            set.add(str);
        }
        int sum1 = 0;
        int sum2 = 0;
        list.sort(Comparator.comparingInt(Node::getKey));
        for(int i = 0;i<list.size();i++){
            if(list.get(i).getKey()<ok.length()){
                sum1++;
            }else{
                break;
            }
        }
        for(int i = 0;i<list.size();i++){
            if(list.get(i).getKey()<=ok.length()){
                sum2++;
            }else{
                break;
            }
        }
        System.out.println(sum1+1+" "+sum2);
    }
}
class Node {
    int key;
    String v