백준 2443 java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class bj2443 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N;
        int i, j;

        N = Integer.parseInt(br.readLine());
        //System.out.println(N);

        for(i = 1; i <= N; i++)
        {
            for(j = 1; j < i; j++)
            {
                System.out.print(" ");
            }
            for(j = 0; j < N-i; j++)
            {
                System.out.print("*");
            }
            System.out.print("*");
            for(j = 0; j < N-i; j++)
            {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}