출제 링크 : programmers.co.kr/learn/courses/30/lessons/42576
import java.util.Arrays;
class Solution {
public String solution(String[] participant, String[] completion) {
String answer = "";
Arrays.sort(participant);
Arrays.sort(completion);
int i = 0;
while (i < completion.length) {
// System.out.println(completion[i]);
// System.out.println(participant[i]);
if (!completion[i].equals(participant[i])) {
answer = participant[i];
break;
} else {
i++;
}
}
if(answer.equals("")) {
answer = participant[participant.length -1];
}
return answer;
}
}