怎么达不到把五十四个扑克打乱······

//a.h
using namespace std;
class CMyImage
{
private:
  int  width;
  int  height;
  char name[10];
public:
    void printinfo();
    void setname(char *name);
    CMyImage()
    {
        width=0;
        height=0;
    }
    void setname();
};
void CMyImage::setname(char *name)
{
    strcpy(this->name,name);
}
void CMyImage::printinfo()
{
    cout<<name<<endl;
}


// b.h

#include "a.h"
using namespace std;
class card
{
private:
    CMyImage a;
    int color;
    int size;
public:
    void setcard(int color,int size);
    void printinfo();
   
};
void card::setcard(int color,int size)
{
    CMyImage Image;
    this->color=color;
    this->size=size;
    switch(color)
    {
        case 1:Image.setname("黑桃");
            break;
        case 2:Image.setname("红桃") ;
            break;
        case 3:Image.setname("梅花") ;
            break;
        case 4:Image.setname("方块");
            break;
        case 0:Image.setname("大小王");
            break;
    }   
}
void card::printinfo()
{
    a.printinfo();
}
//abc.h

#include "b.h"
class CCards
{
public:
    card c;
    card allcard[54];
    void setallcard();
    void change();
    void printinfo();

};
void CCards::setallcard()
{
    int p=0;
    for(int i=0;i<=3;i++)
    {
        for(int j=0;j<13;j++)
        {
           allcard[p].setcard(i+1,j+1);
           p++;
        }
    }
}
void CCards::change()
{   
    for(int p=0;p<65;p++)
    {
        int x,y;
        card z;
        x=rand()%53+1;
        y=rand()%53+1;
        z=allcard[x];
        allcard[x]=allcard[y];
        allcard[y]=z;
    }
}
void CCards::printinfo()
{
    c.printinfo();
}

//gh.cpp
#include <iostream>
#include "abc.h"
using namespace std;
void main()
{
    CCards c;
    c.printinfo();

}