题解 | #记票统计#
记票统计
https://www.nowcoder.com/practice/3350d379a5d44054b219de7af6708894
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int peopleCount = Integer.parseInt(sc.nextLine());
LinkedHashMap<String, Integer> map = new LinkedHashMap(peopleCount);
String[] peoples = sc.nextLine().split(" ");
for (String people : peoples) {
map.put(people, 0);
}
int voteCount = Integer.parseInt(sc.nextLine());
String[] votes = sc.nextLine().split(" ");
int invalid = 0;
for (String vote : votes) {
if(map.containsKey(vote)){
map.put(vote, map.get(vote) + 1);
} else {
invalid++;
}
}
for (Map.Entry<String, Integer> entry : map.entrySet()) {
System.out.println(entry.getKey() + " : " + entry.getValue());
}
System.out.println("Invalid : " + invalid);
}
}
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