[프로그래머스]#42576 완주하지 못한 선수

문제

https://programmers.co.kr/learn/courses/30/lessons/42576

풀이

import java.util.*;
class Solution {
    public String solution(String[] participant, String[] completion) {
        String answer = "";
        Arrays.sort(participant);
        Arrays.sort(completion);
        int i;
        
        for(i=0; i<completion.length; i++) {
            if(!participant[i].equals(completion[i])) {
                return participant[i];
            }
        }
        
        return participant[i];
    }
}