[백준] 2439 별 찍기 - 2 - Java

문제

링크

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코드

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());
        br.close();

        StringBuilder sb = new StringBuilder();
        for (int i = 1; i <= N; i++) {
            for (int j = 1; j <= (N - i); j++) {
                sb.append(" ");
            }
            for (int k = 1; k <= i; k++) {
                sb.append("*");
            }
            sb.append("\n");
        }
        System.out.print(sb);
    }
}

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리뷰