7 drived classes with one common base class
- by user144905
i have written the following code,
   //main.cpp
#include<iostream>
#include<string>
#include"human.h"
#include"computer.h"
#include"referee.h"
#include"RandomComputer.h"
#include"Avalanche.h"
#include"Bureaucrat.h"
#include"Toolbox.h"
#include"Crescendo.h"
#include"PaperDoll.h"
#include"FistfullODollors.h"
using namespace std;
int main()
{
Avalanche pla1;
Avalanche pla2;
referee f;
pla1.disp();
for (int i=0;i<5;i++)
{
    cout<<pla2.mov[i];
    }
return 0;
}
in this program all included classes except referee.h and human.h are drived from  computer.h.
each drived calls has a char array variable which is initialized when a member of a drived class is declared. 
the problem is that when i declare tow diffrent drived class memebers lets say Avalache and ToolBox. upon printing the char array for one of them using for loop it prints nothing.
However if i declare only one of them in main.cpp the it works properly.
and the file for computer.h is as such:
    #ifndef COMPUTER_H
#define COMPUTER_H
class computer
{
    public:
    int nump;
    char mov[];
    void disp();
};
#endif
ToolBox.h is like this:
    #ifndef TOOLBOX_H
#define TOOLBOX_H
#include"computer.h"
class Toolbox: public computer
{
    public:
    Toolbox();
};
#endif
finally Avalanche.h is as following:
#ifndef AVALANCHE_H
#define AVALANCHE_H
#include"computer.h"
class Avalanche: public computer
{
    public:
    Avalanche();
};
#endif