별 찍기 - 2 (2439)

유지원·2021년 8월 4일
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백준OJ

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Java 11

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

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));

        int n = Integer.parseInt(br.readLine());
        br.close();

        for (int i=1; i<=n; i++) {
            for (int j=1; j<=n-i; j++) {
                bw.write(" ");
            }
            for (int k=1; k<=i; k++) {
                bw.write("*");
            }
            bw.newLine();
        }
        bw.flush();
        bw.close();
    }
}
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