SWEA 17319 문자열문자열

1 개요

SWEA 17319 문자열문자열

• SW Expert Academy 17319번 문제
• SWEA D3

2 Java

import java.util.Scanner;
import java.io.FileInputStream;

class Solution {
    public static void main(String args[]) throws Exception {
        Scanner sc = new Scanner(System.in);
        int T;
        T = sc.nextInt();
        for (int test_case = 1; test_case <= T; test_case++) {
            int N = sc.nextInt();
            String str_input = sc.next();
            if (N % 2 == 1) {
                System.out.format("#%d No\n", test_case);
            } else {
                if (str_input.substring(N / 2).equals(str_input.substring(0, N / 2))) {
                    System.out.format("#%d Yes\n", test_case);
                } else {
                    System.out.format("#%d No\n", test_case);
                }
            }
        }
    }
}