Someone

int main(int argc, char* argv[])
{
	int number;
	char numberString[ 50 ] = "";
	char temp[ 5 ] = "";
	char space[ 2 ] = " ";

	int i = 0;

	for (i = 0; i <= 10; i++)
	{
		cout << "Please enter a number between 1 and 999: ";
		cin >> number;

		if ( number < 1 || number > 999 )
		{
			cout << "Not a valid number!" << endl <<
			"Please enter a number between 1 and 999: ";
			cin >> number;
		}

		itoa ( number, temp, 10 );

		strcat( numberString, temp );
		strcat( numberString, space );
	}

	cout << endl << endl << numberString;

	getch();
	return 0;
}