시간&메모리 제한 문제 입력&출력 문제풀이 package com.Back; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Back_1780 { static int N; static int[][] arr; static int[] ans= new int[3]; public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader br = new BufferedReader(new InputStreamRea..