문제https://school.programmers.co.kr/learn/courses/30/lessons/147354풀이(20분)import java.util.*;class Solution { public int solution(int[][] data, int col, int row_begin, int row_end) { int answer = 0; ArrayList pointList = new ArrayList(); for(int i = 0; i { int o1Id = o1.id; int o2Id = o2.id; int o1Col = o1.col; int o2Col = o2.col..