Drawing MtG hands, Serum powder vs Leyline

// LeylinePowder.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "stdlib.h"
#include <vector>
#include <iostream>

// 0 is false
// 1 is leyline
// 2 is powder



int DrawCard(int deckSize, int leylineCount, int powderCount)
{
    // 0 -> x är leylines, x -> y är powders, y -> decksize är blanks

    int card = rand() % deckSize;
    if (card < leylineCount) { return 1; }
    if (card < leylineCount + powderCount) { return 2; }
    return 0;
}

int DrawHand(int deckSize, int leylineCount, int powderCount, int handSize)
{
    int l_deckSize = deckSize;
    int l_leylineCount = leylineCount;
    int l_powderCount = powderCount;
    int ret = 0;

    for (int i = 0; i < handSize; i++)
    {
        l_deckSize--;
        switch (DrawCard(l_deckSize, l_leylineCount, l_powderCount))
        {
        case 0:
            break;
        case 1:
            l_leylineCount--;
            ret = 1;
            break;
        case 2:
            l_powderCount--;
            if (ret == 0) { ret = 2; }
            break;
        }
    }
    return ret;
}

int DrawHands(int deckSize, int leylineCount, int powderCount, int drawCount)
{
    if (drawCount == 0) { return 0; }
    switch (DrawHand(deckSize, leylineCount, powderCount, drawCount))
    {
    default:
        std::cout << "Something went wrong, drawHands entered default case";
        return 99;
    case 0:
        return DrawHands(deckSize, leylineCount, powderCount, drawCount - 1);
        break;
    case 1:
        return drawCount;
        break;
    case 2:
        return DrawHands(deckSize - drawCount, leylineCount, powderCount - 1, drawCount);
        break;
    }
}

void ManySimulations(int deckSize, int leylineCount, int powderCount, int simulationCount)
{
    std::vector<int> results;

       /*
    int sevenCards = 0;
    int sixCards = 0;
    int fiveCards = 0;
    int fourCards = 0;
    int threeCards = 0;
    int twoCards = 0;
    int oneCard = 0;
    int noCard = 0;

    for (int i = 0; i < simulationCount; i++)
    {
        switch (DrawHands(deckSize, leylineCount, powderCount, 7))
        {
        case 0:
            noCard++;
            break;
        case 1:
            oneCard++;
            break;
        case 2:
            twoCards++;
            break;
        case 3:
            threeCards++;
            break;
        case 4:
            fourCards++;
            break;
        case 5:
            fiveCards++;
            break;
        case 6:
            sixCards++;
            break;
        case 7:
            sevenCards++;
            break;
        default:
            break;
        }
    }
*/

    for (int i = 0; i < simulationCount; i++)
    {
        results.push_back(DrawHands(deckSize, leylineCount, powderCount, 7));
    }

    for (int i = 0; i < 8; i++)
    {
        int acc = 0;
        for (int u = 0; u < results.size(); u++)
        {
            if (results[u] == i) { acc++; }
        }
        std::cout << i << " card hands: " << acc << ". Percentage: " << (float)acc * 100.0f / (float)simulationCount << "%" << std::endl;


    }
}



void Initializer()
{
    int deckSize;
    std::cout << "Decksize:";
    std::cin >> deckSize;

    int leylineCount;
    std::cout << "Leylines:";
    std::cin >> leylineCount;

    int powderCount;
    std::cout << "Powders:";
    std::cin >> powderCount;

    int simulationCount;
    std::cout << "Siulations:";
    std::cin >> simulationCount;

    ManySimulations(deckSize, leylineCount, powderCount, simulationCount);

}

int main()
{
    while (true)
    {
        Initializer();
    }
    return 0;
}