백준 알고리즘 2439번: 별 찍기 - 2 - JAVA

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

2439번: 별 찍기 - 2

 

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
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));
        StringTokenizer st = null;
        
        int size = Integer.parseInt(br.readLine());
            
        for(int i=1; i<=size; i++) {
            for(int j=0; j<size-i; j++) {
                bw.write(" ");
            }
            for(int j=size-i; j<size; j++) {
                bw.write("*");
            }
            bw.write("\n");
        }
        bw.flush();
        bw.close();
    }
}