[프로그래머스] 추억 점수

문제 :

https://school.programmers.co.kr/learn/courses/30/lessons/176963

프로그래머스

 

 

해결 :

import java.util.HashMap;

class Solution {
    public int[] solution(String[] name, int[] yearning, String[][] photo) {
        int[] answer = new int[photo.length];
        
        HashMap<String,Integer> score = new HashMap<>();
        for(int i = 0; i<name.length; i++){
            score.put(name[i], yearning[i]);
        }
        
        for(int i = 0; i<photo.length; i++){
                for(int j = 0; j<photo[i].length;j++){
                    if(score.containsKey(photo[i][j])) {
                        answer[i] += score.get(photo[i][j]);
                    }
                }
        }
        
        return answer;
    }
}