Simulation of Omega in Newcomb's Problem

omega.cpp

#include <iostream>
using namespace std;

int main() {
	int choice = 0;
	cout << "\"Hi!" << endl
	     << "Before you are two boxes, one contains $1,000 and the other contains an unspecified amount, $x:" << endl
	     << "\t[$1000] [$x]" << endl
	     << "You may choose to take just the one box that contains $x, or both boxes." << endl
	     << "I am a keen student of human psychology and can predict which you will choose.  If I have predicted that you will take only the one box that contains $x, I have placed $1,000,000 in that box.  Otherwise, if I have predicted that you will take both boxes, I have placed $0 in that box." << endl
	     << "Which shall you choose?\"" << endl
	     << "(1) One box, containing $x, which may or may not contain $1,000,000. Or," << endl
	     << "(2) Both boxes, the first containing $1,000 and the other containing $x, which may or may not contain $1,000,000." << endl;
	cout << ">";
	while (choice == 0) {
		cin >> choice;
		if (choice == 1 || choice == 2) break;
		choice = 0;
		cin.clear();
		cin.ignore();
	}
	switch (choice) {
		case 1:
			cout << "Leaving the box containing $1,000 well alone, you open the other box and discover $1,000,000.";
			break;
		case 2:
			cout << "You open the box containing $1,000 and take the money. After stashing this in your wallet, you open the second box. Unfortunately, it is empty.";
			break;
	}
	cout << endl;
}