import java.util.*; public class Main { public static int mMaxCount = 0; public static int mMeetingInfoNum = 0; public static void main (String args[]) { Scanner sc = new Scanner(System.in); mMeetingInfoNum = sc.nextInt(); int[][] time = new int[mMeetingInfoNum][2]; for (int i = 0; i < mMeetingInfoNum; i++) { time[i][0] = sc.nextInt(); time[i][1] = sc.nextInt(); } Arrays.sort(time, new Comparator
원문 링크 : 백준 1931 회의실 배정 - java