#include <iostream>
#include <conio.h>
 
using namespace std;
 
#include <stdio.h>
 
#define StringSize 50
 
 
class BaseReservoir
{
protected:
	char cName[StringSize];
	float fVolume;
public:
	BaseReservoir( void ){};
	BaseReservoir( char cN[StringSize], float fV )
	{
		int iIndex;
		for( iIndex = 0; cN[iIndex] != 0; iIndex++ )
			cName[iIndex] = cN[iIndex];
		cName[iIndex] = 0;
		fVolume = fV;
	};
 
	BaseReservoir(BaseReservoir& a)
	{
		int iIndex;
		for( iIndex = 0; a.cName[iIndex] != 0; iIndex++ )
			this->cName[iIndex] = a.cName[iIndex];
		this->cName[iIndex] = 0;
		fVolume=a.fVolume;
	};
 
	~BaseReservoir(){};
 
	void Scan()
	{
		printf( "Enter the reservoir name\n" );
		gets( cName );
		printf( "Enter reservoir volume\n" );
		scanf( "%f", &fVolume );
	};
 
	virtual void Print()
	{
		printf( "Reservoir name: %s", cName );
		printf( "Reservoir volume: %f", fVolume );
	};
 
};
 
class NaturalReservoir: public BaseReservoir
{
	int iPercentOfCleanliness;
public:
	NaturalReservoir( int iP,BaseReservoir& a ): BaseReservoir(a)// char cN[StringSize], float fV )
	{
		iPercentOfCleanliness = iP;
	};
 
	~NaturalReservoir(){};
 
	void Print()
	{
		BaseReservoir::Print();
		printf( "Percent of cleanliness of a reservoir: %d%%", iPercentOfCleanliness );
	};
};
 
class ArtificialReservoir: public BaseReservoir
{
	char cDate[StringSize];
public:
	ArtificialReservoir( char cD[StringSize],BaseReservoir& a ): BaseReservoir(a)// char cN[StringSize], float fV )
	{
		int iIndex;
		for( iIndex = 0; cD[iIndex] != 0; iIndex++ )
			cDate[iIndex] = cD[iIndex];
		cDate[iIndex]=0;
	};
 
	~ArtificialReservoir(){};
 
	void Print()
	{
		BaseReservoir::Print();
		printf( "Date of creation of a reservoir: %s", cDate );
	};
};

#include "Header.h"
#include <stdio.h>
#include <conio.h>
 
void main()
{
	BaseReservoir a( "O\0" , 123 );
	a.Scan();
	a.Print();
 
	NaturalReservoir b( 40 ,a);
	b.Print();
 
	ArtificialReservoir c( "12.12.2012" ,a);
	c.Print();
 
	_getch();
}

void Scan()
	{
		printf( "Enter the reservoir name\n" );
		fflush(stdin);
		gets( cName );
		printf( "Enter reservoir volume\n" );
		scanf( "%f", &fVolume );
	};

class Base
{
  private:
    char *sp1;
  public:
    Base(const char *S)  { sp1=strdup(S); } 
    ~Base()              { delete sp1; } 
};
 
class Derived: public Base
{
  private:
    char *sp2;
  public:
    Derived(const char *S1, const char *S2): Base(S1)
                { sp2=strdup(S2); } 
    ~Derived()  { delete sp2; }    
};

Base *pBase; 
pBase=new Derived("string 1", "string 2");
delete pBase;