[백준 2438번 - java] 별 찍기 - 1

https://www.acmicpc.net/problem/2438

내 답안

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 {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		int N = Integer.parseInt(br.readLine());

		for (int i=1; i<=N; i++) {
			for (int j=1; j<=i; j++) {
				bw.write("*");
			}
			bw.write("\n");
		}
		bw.flush();
		bw.close();
	}
}