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_15652 { static int N,M; static int[] arr; static StringBuilder sb; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringToke..