코딩테스트 1번 - Array(1, 2차원 배열)

package main;

import java.util.ArrayList;
import java.util.Scanner;


public class Main {

	public ArrayList<Integer> solu(int a, int[] arr) {

		ArrayList<Integer> an = new ArrayList<>();
		for(int i =0; i < arr.length; i ++) {
			
			if(arr[i] >= a) {
				an.add(arr[i]);
			}
		}
		return an;
	}
		
	
	
	
	public static void main(String[] args) {
		
	
	
	Main main = new Main();
	
	Scanner scan = new Scanner(System.in);
	
	
	
	int a = scan.nextInt();
	
	int[] arr = new int[a];
	
	for(int i =0 ; i < a; i ++ ) {
		arr[i] = scan.nextInt();
	}
	
	
	
	
	System.out.println(main.solu(a,arr));
	

	

	}
	
	
	

	
	}