[c++] cin >> var; comportamento completamente errato

[YuYevon]

#include <iostream>

using namespace std;

int main()
{
	int n;

	cout << "Insert 1 or 2: " << endl;
	while (!(cin >> n) || (n != 1 && n != 2))
	{
		cout << "LOL NIG" << endl;
		cin.clear();
		while( cin.peek() != '\n' ) cin.ignore();
	}

	return 0;
}