题解 | #记票统计#

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            int n = sc.nextInt();
            LinkedHashMap<String,Integer> candidates = new LinkedHashMap<>();
            for (int i = 0; i < n; i++) {
                String can = sc.next();
                candidates.put(can,0);
            }
            int invalid = 0;
            int m = sc.nextInt();
            for (int i = 0; i < m; i++) {
                String vote = sc.next();
                if (candidates.containsKey(vote)){
                    candidates.put(vote,candidates.get(vote)+1);
                }else {
                    invalid++;
                }
            }
            for (String name: candidates.keySet()){
                System.out.println(name+" : "+candidates.get(name));
            }
            System.out.println("Invalid : "+invalid);
        }
    }
}