[알고리즘] for문 이용하기2

별찍기 2

import java.util.Scanner;
 
public class java2439 {
 
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        
        int num = scan.nextInt();
        
        for(int i=0;i<num;i++) {
            for(int k=0;k<num-i-1;k++) {
                System.out.print(" ");
            }            
            for(int j=0;j<i+1;j++) {
                System.out.print("*");
            }
            System.out.print("\n");
        }
    }
}
 

별찍기 3

import java.util.Scanner;
 
public class java2440 {
 
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num = scan.nextInt();
        
        for(int i=num;i>0;i--) {
            for(int j=i;j>0;j--) {
                System.out.print("*");
            }
            System.out.print("\n");
        }
 
    }
 
}