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이문제 푸는데 두시간이 걸림...import java.io.BufferedReader;import java.io.FileReader;public class sw1215 { static int T = 10; static char [][] arr; static int N; static int answer; public static void main(String [] args) throws Exception{ BufferedReader br = new BufferedReader(new FileReader("src/input (2).txt")); for(int test = 1; test(N-1)/2;j--) { sb2.append(arr2[j]); }// System.out.println("sb1: ..