#include <algorithm>
#include <ctime>
#include <iostream>
#include <numeric>
#include <vector>
#include <random>
int main()
{
	using namespace std;
 
	time_t t = time(NULL);
	//srand(static_cast<unsigned int>(t));
	std::mt19937 randgen(t);
	int simulationSize = 10000; // 1 million //lowered to 10k to run on ideone
	std::uniform_int_distribution<int> dist4(0,3);
	std::uniform_int_distribution<int> dist6(0,5);
	// simulation 1, 4 faces on dice 
	cout << "Simulation 1( 4 faced dice ): " << endl;
	int fourSideDicePrizes[] { 1, 1, -1, -1 };
 
	for (int i = 0; i < 10; i++)
	{
		int total = 0;
		for (int j = 0; j < simulationSize*100; ++j)
		{
			int roll = dist4(randgen);
 
			total += fourSideDicePrizes[roll];
		}
		cout << total << endl;
	}
	cout << " -------------------------------------------------------\n\n" << endl;
 
	// simulation 2, 6 dice 
	cout << "Simulation 2( 6 faced dice ): " << endl;
	int sixSidedDicePrizes[] { 1, 1, -1, -1, -1, 1 };
 
	for (int i = 0; i < 10; i++)
	{
		int total = 0;
		for (int j = 0; j < simulationSize * 100; ++j)
		{
			int roll = dist6(randgen);
 
			total += sixSidedDicePrizes[roll];
		}
		cout << total << endl;
	}
	cout << " -------------------------------------------------------\n\n" << endl;
	cin.get();
        return 0;
}

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