백준 5597 과제 안 내신분..?_JAVA

https://www.acmicpc.net/problem/5597

5597번: 과제 안 내신 분..?

 

 

 

 

 

import java.util.Scanner;

public class Main{
   public static void main(String[] args)  {
	   
	   Scanner sc = new Scanner(System.in);

	   int[] array = new int[31];


	   
	   for(int i = 1; i < 29 ; i++) {
		   
		   int check = sc.nextInt();
		   	array[check] = 1;
	
	   }
	   
	   for(int i= 1 ; i < array.length; i++ ){
		   if (array[i] != 1)
		   	System.out.println(i);
	   }
	   
	    
	   sc.close();
    }
    
}