[Programmers] 완주하지 못한 선수

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

코딩테스트 연습 - 완주하지 못한 선수

C++

#include <string>
#include <vector>
#include <algorithm>

using namespace std;

string solution(vector<string> participant, vector<string> completion) {
    string answer = "";
    
    sort(participant.begin(), participant.end());
    sort(completion.begin(), completion.end());

    for(int i; i < participant.size(); i++){
        if(participant[i] != completion[i]){
            answer = participant[i];
            return answer;
        }
    }
    answer = participant[participant.size() - 1];
    return answer;
}

#include <strin