148 : 반복제어문3 - 형성평가9

Java

import java.util.Scanner;
 
public class Main {
    public static void main (String[] arg) {
        Scanner sc = new Scanner(System.in);
        int line = sc.nextInt();
 
        for (int i=0; i<line; i++) {
            for (int j=0; j<=i; j++)
                System.out.print("# ");
 
            System.out.print('\n');
        }
 
        for (int i=1; i<line; i++) {
            for (int k=0; k<i; k++)
                System.out.print("  ");
 
            for (int j=0; j<(line-i); j++)
                System.out.print("# ");
 
            System.out.print('\n');
        }
 
    }
}