백준 10871 c++

#include <iostream>
using namespace std;

int main(void)
{
	int N, X, i, total = 0;
	int* arr = NULL;

	cin >> N >> X;
	if ((N >= 1 && N <= 10000) && (X >= 1 && X <= 10000))
	{
		arr = new int[N];
		for (i = 0; i < N; i++)
		{
			cin >> arr[i];
			if (arr[i] >= 1 && arr[i] <= 10000)
			{
				;
			}
			else
			{
				i--;
			}
		}
		for (i = 0; i < N; i++)
		{
			if (arr[i] < X)
			{
				cout << arr[i] << " ";
			}
			else
			{
				;
			}
		}
		cout << endl;
	}
	else
	{
		;
	}

	delete[] arr;

	return 0;
}