[백준] 2675 문자열 반복 (Java)

너무 빨리 풀어서 깜짝 놀랐다.

BufferedWriter클래스를 사용하지 않은 코드와 사용한 코드.

 

/*
 * Author : Jeonghun Cho
 * Date : December 6, 2019
 * https://www.acmicpc.net/problem/2675
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class Main {
 
    public static void main(String[] args) throws IOException{
        // TODO Auto-generated method stub
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int size = Integer.parseInt(br.readLine()); 
        String[] input = new String[size]; 
        
        for(int i=0; i<size; i++) {     
            input = br.readLine().split(" ");
            for(int j=0; j<input[1].length(); j++) { 
                char ch = input[1].charAt(j);
                for(int k=0; k<Integer.parseInt(input[0]); k++) {
                    System.out.print(ch); 
                }
            }
            System.out.println();
        }
        br.close();
    }
}
 

 

 

/*
 * Author : Jeonghun Cho
 * Date : December 6, 2019
 * https://www.acmicpc.net/problem/2675
 */
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
 
public class Main {
 
    public static void main(String[] args) throws IOException{
        // TODO Auto-generated method stub
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        int size = Integer.parseInt(br.readLine()); 
        String[] input = new String[size]; 
        
        for(int i=0; i<size; i++) {     
            input = br.readLine().split(" ");
            for(int j=0; j<input[1].length(); j++) { 
                char ch = input[1].charAt(j);
                for(int k=0; k<Integer.parseInt(input[0]); k++) {
                    bw.write(ch);
                }
            }
            bw.write("\n");
        }
        bw.flush();
        bw.close();
        br.close();
    }
}