개인정보 수집 유효기간 (2023 KAKAO BLIND RECRUITMENT)

원본 : https://school.programmers.co.kr/learn/courses/30/lessons/150370

프로그래머스

 

풀이

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

class Solution {
    public Integer[] solution(String today, String[] terms, String[] privacies) {
        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy.MM.dd");
        Map<String, Integer> termsMap = new HashMap<>();

        for (String term : terms) {
            String[] temp = term.split(" ");

            termsMap.put(temp[0], Integer.parseInt(temp[1]));
        }

        LocalDate now = LocalDate.parse(today, dateTimeFormatter);
        List<Integer> answer = new ArrayList<>();

        for (int i = 0; i < privacies.length; i++) {
            String[] temp = privacies[i].split(" ");

            LocalDate privacyDateTime = LocalDate.parse(temp[0], dateTimeFormatter).plusMonths(termsMap.get(temp[1]));

            if (now.isAfter(privacyDateTime) || now.isEqual(privacyDateTime)) {
                answer.add(i + 1);
            }
        }

        return answer.toArray(new Integer[0]);
    }
}