밍쎄의 코딩공간

import java.util.*; class Solution { public int solution(int[] rank, boolean[] attendance) { int answer = 0; ArrayList al = new ArrayList(); for(int i = 0; i a[0] - b[0]); answer += al.get(0)[1] * 10000; answer += al.get(1)[1] * 100; answer += al.get(2)[1]; return answer; } } https://school.programmers.c..