[프로그래머스] 등수 매기기

import java.util.*;

class Solution {
    public int[] solution(int[][] score) {
        List<Integer> list = new ArrayList<>();
        for(int[] i : score) {
            list.add((i[0] + i[1]));
        }
        list.sort(Collections.reverseOrder());
        
        int[] answer = new int[score.length];
        
        for(int i = 0; i < score.length; i++) {
            answer[i] = list.indexOf(score[i][0] + score[i][1]) + 1;
        }
        
        return answer;
    }
}