[JAVA] 백준 알고리즘 2439 별 찍기-2

 

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class App {
	public static void main(String[] args) throws Exception {

		BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		int cnt = Integer.parseInt(bf.readLine());
		// 5
		// *
		// **
		// ***
		// ****
		// *****
		// 공백은 cnt - 행 별은 행 갯수만큼
		for (int i = 1; i <= cnt; i++) {
			for (int j = 1; j <= cnt - i; j++) {
				bw.write(" ");
			}
			for (int k = 1; k <= i; k++) {
				bw.write("*");
			}
			bw.write("\n");
		}
		bw.close();

	}
}