백준 2439_별 찍기2_JAVA

https://www.acmicpc.net/problem/2439

2439번: 별 찍기 - 2

 

 

 

 

 

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


public class Main{

   public static void main(String[] args) throws Exception {
	   
	   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 = 0 ; i < N ; i++) {
	    	for(int j = 1; j < N-i ; j++) {
	    		bw.write(" ");

	    	}
	    	for(int j = 0 ; j <= i ; j++) {
	    		bw.write("*");
	    	}
	    	bw.write("\n");
	    	
	    }
	    
	    br.close();
	    bw.flush();
	    bw.close();
	    
	    
	    
    }
    
}