[백준] 2675 : 문자열 반복 - JAVA

문제

https://www.acmicpc.net/problem/2675

2675번: 문자열 반복

 

코드

import java.io.*;
import java.util.*;

class Main {	
	
	public static void main(String args[]) throws Exception{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));		
		StringTokenizer st;
		
		int n = Integer.parseInt(br.readLine());
		
		for(int i=0;i<n;i++) {
			st = new StringTokenizer(br.readLine());
			int r = Integer.parseInt(st.nextToken());
			String s = st.nextToken();
			
			String str = "";
			for(int j=0;j<s.length();j++) {
				for(int k = 0; k<r;k++) {
					str += s.charAt(j);
				}
			}
			System.out.println(str);
		}

		
	}
	
}