如何用c ++处理一副牌

时间:2018-04-13 05:29:46

标签: c++ class dynamic-arrays

我的要求如下:

int Deal(int,CardSet&,CardSet&)将两只手交给传递的两个CardSet参数。

每手牌中放置的牌数是第一个参数。这些卡应该一次从当前设置中取出,将卡放在备用的手中。

例如。如果当前集合保持2S, 3S, 4S, 5S, 6S, 7S(整数0到5)并且我们必须处理3张牌,则双手将获得2S, 4S, 6S(整数0,2,4)和3S, 5S, 7S (1,3,5)。

双手可能已经有卡,而附加卡需要新的内存。不要经常创建新内存。

请记住,当前的设置也必须减小。如果当前设置中没有足够的卡来执行交易,则打印错误 消息并终止。

我不知道Deal()函数中的错误是什么。程序运行没有任何错误,但我得到的输出是错误的:请帮助我纠正我的错误(如果有的话)。

我在main()中定义的类对象是:

CardSet CardSet1(104), CardSet2(12), CardSet3, CardSet4, CardSet5, CardSet6;
cout << "Dealing 3 Cards from CardSet1 into CardSet3 and CardSet4: " <<endl;
CardSet1.Deal(3,CardSet3,CardSet4);
cout << "Printout of CardSet1:" << endl;
CardSet1.Print();
cout << "Printout of CardSet3:" << endl;
CardSet3.Print();
cout << "Printout of CardSet4:" << endl;
CardSet4.Print();
cout << endl;

这是班级:

class CardSet
{
public:
    CardSet();
    CardSet(int);
    ~CardSet();
    int Size() const;
    bool IsEmpty() const;
    void Shuffle();
    int Deal();
    void Deal(int,CardSet&,CardSet&);
    void Deal(int,CardSet&,CardSet&,CardSet&,CardSet&);
    void AddCard(int);
    void MergeShuffle(CardSet&);
    void Print() const;
private:
    int* Card;
    int nCards;
    void PrintCard(int c) const;
};

这是我必须使用的功能:

CardSet::CardSet()
{
    Card = NULL;
    nCards =0;
}

CardSet::CardSet(int crd)
{
    int nCard;
    Card = new int[crd];
    nCards=crd;

    for(int i=0; i<nCards; i++)
    {
        Card[i]=i%52;
    }
}

CardSet::~CardSet()
{
    delete [] Card;
}

int CardSet::Size() const
{
    return nCards ;
}

void CardSet::Shuffle()
{
    int shuffle, tmp;
    for (int i=0; i<nCards-1; i++)
    {
        shuffle = rand() % 52;
        tmp = Card[i];
        Card[i]=Card[shuffle];
        Card[shuffle]= tmp;
    }
}

int CardSet::Deal()
{
    int a;
    a = Card[0];
    return a; // return Card[0]
    int *newSet = NULL;
    newSet = new int[nCards];

    if(nCards==0)
    {
        cerr << "The set is empty ." << endl;
        exit(1);
    }
    else
    {
        for(int i =0; i<nCards; i--)
        {
            newSet[i] = Card[i+1];
        }
        delete [] Card;
    }
}
void CardSet::Deal(int ncard, CardSet& crdHand1, CardSet& crdHand2 )
{
    int a;
    a =nCards/3;
    for(int i=0; i<a; i++)
    {
        for(int j=0; j<ncard; j++)
        {   
            if(nCards==0)
            {
                cerr << "No more Cards. " <<endl;
                exit(1);
            }
            else if(i%2==0)
            {
                crdHand1 = Card[i];
            }
            else if(i%2==1)
            {
                crdHand2 = Card[i];
            }
        }
    }
}

这是输出: 当我实现crdHand1或crdHand2时。输出应该像

 for CardSet1:
 2S 4S 6S 8S XS
 QS AS 3C 5C 7C
 .....
 for CardSet4:
 3S 5S 7S 9S JS
 KS 2C 4C 6C 8C
 ......
and so on until cards are finished

enter image description here

1 个答案:

答案 0 :(得分:1)

你可以使用std::shuffle() <vector>来洗牌。

private void setCardDeck() {
    for (int i = 0; i < Card.Rank.values().length; i++) {
        for (int j = 0; j < Card.Suit.values().length; j++) {
            cardDeck.push_back(new Card(Card.Rank.values()[i], Card.Suit.values()[j]));
        }
    }

    std::shuffle(cardDeck.begin(), cardDeck.end());
}

从我在Java上的扑克实现。 RankSuitenum

感谢Bob__改进。