C++

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transfer money

yamcake01096 (6)
I'm a beginner on learning C++
have given a assignment for designing the transfer money to account
can anyone tell me how to use array and pointers in this sourcecode?
'coz i'm not doing well in it...

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#include <iostream>
#include <fstream>
#include <conio.h>
#include <string>
#include <cstdlib>
#include <stdlib.h>
#include <iomanip>

using namespace std;

int main()
{
    ifstream acc;
    acc.open ("transfer.txt");
    int acc_no1,acc_no2,acc_no3,acc_no4,acc_no5,acc_no6,acc_no7,acc_no8;    
    acc>>acc_no1>>acc_no2>>acc_no3>>acc_no4>>acc_no5>>acc_no6>>acc_no7>>acc_no8;
    acc.close();    
    
    ifstream bal;
    bal.open("balance.txt");
    int bal1,bal2,bal3,bal4,bal5,bal6,bal7,bal8;
    bal>>bal1>>bal2>>bal3>>bal4>>bal5>>bal6>>bal7>>bal8;
    bal.close();  
    
    int enter_acc;
    cout<<"welcome"<<endl;
  
    
    do{
    cin>>enter_acc; 

    if (enter_acc==acc_no1)
    {
                           
        int money;
        char ans;
        do{
        cout<<"Transfer to account?"<<endl;
        cin>>enter_acc;
        cout<<"Please enter the amount you need to transfer: RM";
        cin>>money;
      
        if (enter_acc==acc_no2)
        {bal2=bal2+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no2<<endl;
        }        
        if (enter_acc==acc_no3)
        {bal3=bal3+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no3<<endl;
        }        
        if (enter_acc==acc_no4)
        {bal4=bal4+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no4<<endl;
        }        
        if (enter_acc==acc_no5)
        {bal5=bal5+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no5<<endl;
        }        
        if (enter_acc==acc_no6)
        {bal6=bal6+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no6<<endl;
        }        
        if (enter_acc==acc_no7)
        {bal7=bal7+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no7<<endl;
        }        
        if (enter_acc==acc_no8)
        {bal8=bal8+money;
        bal1=bal1-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no8<<endl;
        }        
        cout<<"Want to do the same transaction?(Y/N)"<<endl;
        cin>>ans;
        cout<<endl;
        }while(ans=='Y'||ans=='y');
        break;        
        }

    if (enter_acc==acc_no2)
    {
        int money;
        char ans;
        do{
        cout<<"Transfer to account?"<<endl;
        cin>>enter_acc;
        cout<<"Please enter the amount you need to transfer: RM";
        cin>>money;
      
        if (enter_acc==acc_no1)
        {bal1=bal1+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no1<<endl;
        }        
        if (enter_acc==acc_no3)
        {bal3=bal3+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no3<<endl;
        }        
        if (enter_acc==acc_no4)
        {bal4=bal4+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no4<<endl;
        }        
        if (enter_acc==acc_no5)
        {bal5=bal5+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no5<<endl;
        }        
        if (enter_acc==acc_no6)
        {bal6=bal6+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no6<<endl;
        }        
        if (enter_acc==acc_no7)
        {bal7=bal7+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no7<<endl;
        }        
        if (enter_acc==acc_no8)
        {bal8=bal8+money;
        bal2=bal2-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no8<<endl;
        }        
        cout<<"Want to do the same transaction?(Y/N)"<<endl;
        cin>>ans;
        cout<<endl;
        }while(ans=='Y'||ans=='y');
        break;        
        }

    if (enter_acc==acc_no3)
    {
        int money;
        char ans;
        do{
        cout<<"Transfer to account?"<<endl;
        cin>>enter_acc;
        cout<<"Please enter the amount you need to transfer: RM";
        cin>>money;
      
        if (enter_acc==acc_no2)
        {bal2=bal2+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no2<<endl;
        }        
        if (enter_acc==acc_no1)
        {bal1=bal1+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no1<<endl;
        }        
        if (enter_acc==acc_no4)
        {bal4=bal4+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no4<<endl;
        }        
        if (enter_acc==acc_no5)
        {bal5=bal5+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no5<<endl;
        }        
        if (enter_acc==acc_no6)
        {bal6=bal6+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no6<<endl;
        }        
        if (enter_acc==acc_no7)
        {bal7=bal7+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no7<<endl;
        }        
        if (enter_acc==acc_no8)
        {bal8=bal8+money;
        bal3=bal3-money;
        cout<<"Transaction complete!"<<endl;
        cout<<"Transfer amount :RM"<<money<<" to account "<<acc_no8<<endl;
        }        
                cout<<"Want to do the same transaction?(Y/N)"<<endl;
        cin>>ans;
        cout<<endl;
        }while(ans=='Y'||ans=='y');
        break;        
        }

    
    else
    {cout<<"Enter the account again."<<endl;} 
  
    }while (enter_acc!=acc_no1&&enter_acc!=acc_no2&&enter_acc!=acc_no3&&enter_acc!=acc_no4&&enter_acc!=acc_no5&&enter_acc!=acc_no6&&enter_acc!=acc_no7&&enter_acc!=acc_no8);  

    ofstream balance;
    balance.open ("balance.txt");
    balance << bal1 << endl;
    balance << bal2 << endl;
    balance << bal3 << endl;
    balance << bal4 << endl;
    balance << bal5 << endl;
    balance << bal6 << endl;
    balance << bal7 << endl;
    balance << bal8 << endl;
    balance.close();




        
    system ("PAUSE");
    

}
Bazzy (6281)
Instead of declaring int acc_no1, acc_no2, ... acc_no8; you could declare just int acc_[8]; (the name should be different from 'acc' declared as ifstream).
To get an 'acc_' value, remember that the first value will be acc_[0];,
not acc_[1].
Last edited on
yamcake01096 (6)
Now i shorten the code
but i have to key in "i" to call the account number.
Question: How to let the "i" be 1 by entering the account number only?

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#include <iostream>
#include <fstream>

using namespace std;
int main()
{
    ifstream acc;
    acc.open ("transfer.txt");
    int acc_no[8];    
    acc>>acc_no[0]
       >>acc_no[1]
       >>acc_no[2]
       >>acc_no[3]
       >>acc_no[4]
       >>acc_no[5]
       >>acc_no[6]
       >>acc_no[7];   
    acc.close();    
    
    ifstream bal;
    bal.open ("balance.txt");
    int bal_no[8];    
    bal>>bal_no[0]
       >>bal_no[1]
       >>bal_no[2]
       >>bal_no[3]
       >>bal_no[4]
       >>bal_no[5]
       >>bal_no[6]
       >>bal_no[7];   
    bal.close();    
    
    int i,j,money,account;
    i=2;
    cout<<"Your account number "<<i<<" is "<<acc_no[i]<<endl;
    cout<<"Enter the account number you wish to transfer"<<endl;
    cin>>j;
    cout<<"The account number "<<j<<" is "<<acc_no[j]<<endl;
    cout<<"Enter the amount you wish to transfer: RM";
    cin>>money;
    bal_no[i]=bal_no[i]-money;
    bal_no[j]=bal_no[j]+money;
    cout<<bal_no[i]<<endl;
    cout<<bal_no[j]<<endl;
    cout<<money<<endl;
    
  
    ofstream balance;
    balance.open ("balance.txt");
    balance << bal_no[0] << endl;
    balance << bal_no[1] << endl;
    balance << bal_no[2] << endl;
    balance << bal_no[3] << endl;
    balance << bal_no[4] << endl;
    balance << bal_no[5] << endl;
    balance << bal_no[6] << endl;
    balance << bal_no[7] << endl;
    balance.close();

    system ("PAUSE");
    
}
Last edited on
ja23jr (14)
Just to help shorten the code even more, why don't you try some 'for' loops?

for (i = 0; i < 8 (in this case); i++)
your code here;
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