Need help with a card game

Hi there! I'm new here and I'm quite new to programming. I'm in a programming class here at my school, and we have an individual assignment, and I'm making a card game (well, at least trying to :P).

I've written the basics, but I'm trying to give a priority this way " "Hearts", "Spades", "Diamonds", "Clubs", and then sorting them out in a number priority. I know how to create the number priority (I thought that I'd give each number and color a number before them, what I mean by this is, give for example "2 of hearts", I'd put 80 as hearts, and then it writes the "2", so it becomes "802", and it reads it as hearts of 2. However, what I need help with is sorting out the colors in the order I wrote previously.

Thanks in advance, Marrcus.

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  // Prog1_Kortlek_1.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <iostream>
#include <list>
#include <fstream>
#include <cstdlib>  // Used for function rand()
#include <time.h>
#include <string>

using namespace std;

struct Card
{
    string  color;
    int     value;
};

Card cardDeck[52];
list<Card> hand;

fstream cardFile;
int randSeed;

int ReadDeck(const char * fileName)
{
    cardFile.open(fileName, ios_base::in);
    for (int i = 0; i < 52; i++)
    {
        if (cardFile.eof())
            return 1;

        cardFile >> cardDeck[i].color;
        cardFile >> cardDeck[i].value;
    }
    cardFile.close();
    return 0;
}

int WriteDeck(const char * fileName)
{
    cardFile.open(fileName, ios_base::out);
    for (int i = 0; i < 52; i++)
    {
        cardFile << cardDeck[i].color << " " << cardDeck[i].value << endl;
    }
    cardFile.close();
    return 0;
}

void MixDeck()
{
    string  color;
    int     value;
    int     randIndex;

    for (int i = 0; i < 52; i++)
    {
        srand (time(NULL));
        randIndex = i + (rand() % (52 - i));

        color = cardDeck[i].color;
        value = cardDeck[i].value;

        cardDeck[i].color = cardDeck[randIndex].color;
        cardDeck[i].value = cardDeck[randIndex].value;

        cardDeck[randIndex].color = color;
        cardDeck[randIndex].value = value;
    }
}

void PickHand(list<Card> & aHand, int nbrOfcards)
{
	for (int i = 0; i < nbrOfcards; i++)
	{
		/*
		struct Card myCard;
		myCard.color = "Diamond";
		myCard.value = 5;
		*/

		aHand.push_back(cardDeck[i]);
	}
}

void SortHand(list<Card> & aHand, int nbrOfcards)
{
	for (int i = 0; 1 < nbrOfcards; i++)
	{
		/*
		*/

		/*aHand.sort_cards(cardDeck[i]);*/
	}
}





int main(int argc, char* argv[])
{
    int         result;

    if ((argc < 2) || (argc > 3))
        return 1;

    const char* cardDeckFileName = argv[1];
    cardDeckFileName = argv[1];

    result = ReadDeck(cardDeckFileName);
    if (result != 0)
        return result;

    cout << "First card is: " << cardDeck[0].color << " " << cardDeck[0].value << endl;

    MixDeck();

    cout << "Mixing card deck." << endl;
    cout << "First card is now: " << cardDeck[0].color << " " << cardDeck[0].value << "\n\n";

    WriteDeck(cardDeckFileName);

	PickHand(hand, 5);
	for (auto it = hand.begin(); it != hand.end(); it++)
	{
		cout << "\n\ncolor:" << it->color << "\nvalue: " << it->value << endl;
	}
    //cout << "\nkort-färg: " << hand.front().color << "kot-värde: " <<  hand.front().value << endl;

    return 0;
}
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