문제집

import java.util.*; public class Main { static class Empty implements Comparator{ public int compare(int a, int b) { return Integer.compare(a, b); } @Override public int compare(Integer o1, Integer o2) { // TODO Auto-generated method stub return o1-o2; } } public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m ..