[BOJ] 백준 2438번 별 찍기 - 1 (Java)

문제링크

https://www.acmicpc.net/problem/2438

2438번: 별 찍기 - 1

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나의코드

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        sc.close();
        
        for(int i = 1; i <= num; i++){
            for(int k = 1; k <= i; k++){
               System.out.print("*");
            }
            System.out.printf("\n");
        }
    }
}