[백준]2438_별 찍기 - 1

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;
 
public class Main {
    public static void main(String args[]) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st;
 
        int N = Integer.parseInt(br.readLine());
        
        for(int i=0;i<N;i++) {
            for(int j=0;j<=i;j++) {
                System.out.print("*");
            }
            System.out.println();
        }
    }
}