Challenge: Find this error in Classes.

[Rehan FASTian]

WE WANT TO ACCESS member fuction depositBalance() of Class account.

#include <iostream>
#include <ctime>
#include <string>
#include <fstream>
using namespace std;

class info{
protected:
	string  first_name , middle_name , last_name ,	cnic ,	address ,	phone , Date;
	info *next;
public:
	info()
	{
		first_name = "NULL";		middle_name = "NULL";		last_name = "NULL";
		cnic = "NULL";		address = "NULL";		phone = "NULL" ;		Date = "NULL" ;		next = NULL;
	}
	
	void Set_data()
	{
		cout<<"Enter First Name		";					     cin>>first_name;
		cout<<"Enter Middle Name		";					 cin>>middle_name;
		cout<<"Enter Last Name		";						 cin>>last_name;
		cout<<"Enter CNIC Number		";					 cin>>cnic;
		cout<<"Enter ADDRESS		";						 cin>>address;
		cout<<"Enter Phone Number		";					 cin>>phone;
		cout<<"Enter Date in this Format dd/mm/yy		";   cin>>Date;
		cout<<"\n\n";
		
	}
	void show_data()
	{
		
		cout<<
			"First Name is	"<< first_name <<
			"\nMiddle Name is		"<<middle_name <<
			"\nLast Name is		"<<last_name<<
			"\nCNIC is		"<<cnic<<
			"\nADDRESS is		"<<address<<
			"\nPhone Number is		"<<phone<<
			"\nDate of Birth is"<<Date<<"\n\n";
		
	}
	void Link_List( info **ph , info **pt , info *pd )
	{
		if(*ph == NULL && *pt== NULL)
		{
			*ph = pd;
			*pt = pd;
			
		}
		else
		{
			(*pt)->next=pd;
			*pt = pd;
		}
		
	}
	
	
    void display_data(info *p)
	{
		while(p != NULL)
		{
			cout<<
				"First Name is	"<< p->first_name <<
				"\nMiddle Name is		"<<p->middle_name <<
				"\nLast Name is		"<<p->last_name<<
				"\nCNIC is		"<<p->cnic<<
				"\nADDRESS is		"<<p->address<<
				"\nPhone Number is		"<<p->phone<<
				"\nDate of Birth is"<<p->Date<<"\n\n";
			
			p=p->next;
		}
		
	}
};
// ********************* ACCOUNT CLASSESS ***********************
class account{
public:
	account(){
		i = 0;
		balance = 0;
		transaction_during_one_day = 0;
		one_month_balance = 0;
		minimumBalance = 99999999999999;
		startTime = clock();
	}
	 void depositBalance(){
		
		cout<<"\nEnter Amount: "; double u; cin>>u;

		balance = u;
	
		//Setting minimum Balance.
		 double currentTime = clock();
		double timeElapsed = currentTime - startTime;
		double seconds = (double) timeElapsed/CLOCKS_PER_SEC; 
		
		if (minimumBalance > balance){
			minimumBalance = balance;
		}
		if (seconds >= 2.62974*1000000){
			one_month_balance = minimumBalance;
			startTime = 0;
		}
	}
	void withDraw(){
		bool fine = 0;
		if (i == 0){ //first time.
			sTime = clock();//Time starts when First Transaction is done.
		}
		i = 1;

		do{
			cout << "Enter Amount to withdraw: ";	double amount;	cin >> amount;
			
			cTime = clock();
			double diffT = cTime - sTime;
			double seconds = (double) diffT/CLOCKS_PER_SEC; 
			
			if(seconds <= 86400){ //During 1 day
				transaction_during_one_day += amount;
			}
			if (seconds >86400){
				sTime = clock();
			}
			
			
			if (amount > balance){
				cout << "You do not have sufficient amount of Money in your account." << endl;
				fine = 1;
			}
			else{
				if (amount>=5000)
				{
					amount -= (amount * 0.002); // 0.2% "service charges" Deducted during transaction over 5000.
				}
				balance -= amount;
				fine = 0;
				if (transaction_during_one_day > 50000){
					balance -= 2.5*0.01*transaction_during_one_day;
				}
			} 
		}while (fine == true);
	}
	double getBalance(){
		return balance;
	}
	void displayBalance(){
		cout << "Balance: " << balance << endl;
	}
protected:
	bool i;
	double minimumBalance;
	double transaction_during_one_day;
	double balance;
	double startTime;
	double sTime;//startTime;
	double cTime;//currentTime
	double one_month_balance;
};

class checking_account : virtual public account
{

};

class savingAccount: virtual public account{
public:
	savingAccount(){
		minimumBalance = balance;
	}
	void setInterest(){
		//		double endTime = clock();
		//		double timeElapsed = endTime - startTime;
		//		double time_elapsed_in_seconds = (double)timeElapsed/CLOCKS_PER_SEC; //convert to seconds
		//		if (time_elapsed_in_seconds > 30){
		interest = one_month_balance * 0.01;
		balance += interest;
		cout << "Balance: " << balance << endl;
		//		}
	}
	double getInterest(){
		return interest;
	}
protected:
	double interest;
};
class credit_card{
	
protected:
	const unsigned int card_number;
	static int counter;
public:
	credit_card() : card_number(counter) { counter++; }
    
	//void get_card()	            {   cin >>  card_number;  }
	void show_card_num() const	{   cout <<  card_number;  }	
};

class master : public credit_card , account
{
public:
	void master_interest()
	{
		balance = balance +  ( balance * 0.18 );
	}
	
	void upper_limit ( unsigned int &amount)
	{
		if (amount > 0 && amount > 50000)
			cout<<"You cannot withdraw amount above Fifty Thousand\n\n ";
		else
			balance = balance - amount;
	}
};

class visa : public credit_card , account
{
public:
	void visa_interest()
	{
		balance = balance +  ( balance * 0.1 );
	}
	void upper_limit(unsigned int &amount)
	{
		if ( amount > 0 && amount > 100000)
			cout<<"\nYou cannot withdraw amount above One Lac\n\n ";
		else
		{
			balance = balance - amount;
			cout<<"				Congratulation!\nYou have earned "<< amount << "frequent usage points\n";
		}
	}
};

class local : public credit_card , account
{
protected:
	static int counter_local;
    unsigned long double checking_amount;
public:
	local()
	{
		checking_amount = balance;
	}
	void local_interest()
	{
		//if  ( counter_local < 4 )
			balance = balance +  ( balance * 0.25 );
	}
	void decrease_local_interest()
	{
			balance = balance +  ( checking_amount * 0.2 );
	}
	void upper_limit(unsigned int &amount)
	{
		if  ( counter_local < 3 && amount < checking_amount  )
		{
			if ( amount > 10000)
				cout<<"\nYou cannot withdraw amount above Ten Thousand.\n\n ";
			else
				if ( amount < balance )
			{
				balance = balance - amount;
				counter_local++;
			}
		}
		
		else
		{
			if ( amount > 15000)
				cout<<"\nYou cannot withdraw amount above Fifteen Thousand.\n\n ";
			else
				if ( amount < balance )
			{
				balance = balance - amount;
			}	
		}
	}
};


class user : public  info , local , visa , master , savingAccount , checking_account 
{

};


static int counter=1;
static int counter_local=1;

int main()
{
	user obj;
	obj.Set_data();
	cout<<"Which type of account you want to open? "; char opt; cin >> opt;
	switch(opt)
	{
	    case 's':
		case 'S':
 			obj.account::depositBalance();//WE WANT TO ACCESS member fuction depositBalance() of Class account.

			break;

		case 'c':
		case 'C':

			break;

		default:
			cout<<"\nyou selected Wrong option\n\n ";


	
	
	}

	return 0;
}

[vlad from moscow]

The class user has several copies of subobjects of the class account. So you should exactly specify the path to the concrete account you want to access.

[Rehan FASTian]

thanks GOT IT!!!!!