[백준/Java] 2675번 문자열 반복

-Code

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int t = sc.nextInt();

        for (int i = 0; i < t; i++){
            int r = sc.nextInt();
            String s = sc.next();
            for (int j = 0; j < s.length(); j++){
                for (int k = 0; k < r; k++){
                    System.out.print(s.charAt(j));
                }
            }
            System.out.println();
        }
    }
}