题解 | #记票统计#

import java.util.*;
public class Main {
        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
            while (sc.hasNextLine()) {
                int n = Integer.parseInt(sc.nextLine());
                String[] arr = sc.nextLine().split(" ");
                Map<String,Integer> map = new LinkedHashMap<>();
                for (int i =0; i< arr.length;i++) {
                    map.put(arr[i], 0);
                }
                int k = Integer.parseInt(sc.nextLine());
                 String[] can = sc.nextLine().split(" ");
                for (int i =0; i< can.length; i++) {
                    if (map.containsKey(can[i])) {
                        map.put(can[i], map.get(can[i]) + 1);
                        k--;
                    }
                }
                for (Map.Entry<String,Integer> entry : map.entrySet()) {
                    System.out.println(entry.getKey() + " : " + entry.getValue());
                }
                System.out.println("Invalid : " + k);
            }
        }
}