[백준] 2444번: 별 찍기(7) - JAVA

[작성일: 2023. 09. 07]

 

https://www.acmicpc.net/problem/2444

 

 

풀이

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();

        for (int i = 1; i < num; i++) {
            for (int j = 1; j <= num - i; j++) {
                System.out.print(" ");
            }

            for (int k = 1; k < i + i; k++) {
                System.out.print("*");
            }

            System.out.println();
        }

        for (int i = num; i > 0; i--) {
            for (int k = 0; k < num-i; k++) {
                System.out.print(" ");
            }

            for (int j = 1; j < i + i; j++) {
                System.out.print("*");
            }

            System.out.println();
        }
    }
}