[백준]2442_별 찍기 - 5

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class Main {
    public static void main(String args[]) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
 
        int N = Integer.parseInt(br.readLine());
 
        for (int i = 0; i < N; i++) {
            for (int j = N - 1; j > i; j--) {
                System.out.print(" ");
            }
            for (int k = 0; k < (i * 2) + 1; k++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}