题解 | #记票统计#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        in.nextLine();
        Map<String, Integer> map = new LinkedHashMap<>();
        for (int i = 0; i < n; i++) {
            map.put(in.next(), 0);

        }
        map.put("Invalid", 0);
        int m = in.nextInt();
        in.nextLine();
        String tmp = "";
        for (int i = 0; i < m; i++) {
            tmp = in.next();    
            if(map.containsKey(tmp)){
                map.put(tmp,map.get(tmp)+1);
            }else{
                map.put("Invalid",map.get("Invalid")+1);
            }
        }
        map.forEach((a,b) -> {
            System.out.println(a +" : "+ b);
        });     

    }
}