[백준 2438번] 별 찍기

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        int n;
        Scanner sc = new Scanner(System.in);

        n = sc.nextInt();

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < (i+1); j++) {
                System.out.print("*");
            }

            System.out.println();
        }

    }
}