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Rustam-ZRustam-Z
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C++ programming
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‎Bank management system/BMS.cpp‎

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#include "Header.h"
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int main() {
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srand(time(0));
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::available = rand() % 200000;
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MainMenu();
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system("color 9E");
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system("pause");
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return 0;
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}
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void MainMenu() {
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system("color 9E");
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char num;
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char choice;
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do {
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bool checked = false;
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string checkName, checkPassword;
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accounts data;
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accounts oldData[50];
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cout << "\n Choose what you want:";
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cout << "\n 1.Sign in";
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cout << "\n 2.Registration";
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cout << "\n 3.Exit";
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cout << "\n ";
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choice = _getch();
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switch (choice)
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{
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case 49:
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outData(oldData);
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system("CLS");
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cout << "\n Please enter your name:";
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cout << "\n ";
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cin >> checkName;
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cout << "\n Please enter your password:";
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cout << "\n ";
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cin >> checkPassword;
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for (int i = 0;i<::increaments; i++) {
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if (oldData[i].name == checkName && oldData[i].password == checkPassword) {
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::accountNum = i;
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::balance = oldData[i].balance;
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::borrow = oldData[i].borrowed;
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checked = true;
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}
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}
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if (checked) {
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do {
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system("CLS");
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cout << "\n Hello "<<oldData[::accountNum].name << endl;
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cout << "\n What would you like to do?" << endl;
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cout << "\n 1.Actions with card" << endl;
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cout << "\n 2.Check balance" << endl;
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cout << "\n 0.Exit" << endl;
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num = _getch();
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switch (num) {
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case 48:
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break;
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case 49: Menu(oldData);
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break;
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case 50: CheckBalance();
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break;
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default:
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cout << "\n Error! Section not found. Please try one more time." << endl << endl;
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system("pause");
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break;
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}
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} while (num != '0');
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}
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else cout << "\n Wrong name or password\n";
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break;
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case 50:
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system("CLS");
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cout << "\n Input your name without space";
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cout << "\n ";
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cin >> data.name;
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cout << "\n Input yuor password without space";
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cout << "\n ";
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cin >> data.password;
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data.balance = 0;
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data.borrowed = 0;
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inputNewData(data);
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break;
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case 51:
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break;
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default:
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cout << "\n There is no such ssection";
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cout << "\n Please try one more time";
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break;
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}
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} while (choice != 51);
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cout << "\n ";
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}
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‎Bank management system/Header.h‎

Lines changed: 249 additions & 0 deletions
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#pragma once
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#include<iostream>
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#include<fstream>
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#include<stdlib.h>
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#include<string>
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#include <vector>
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#include <windows.h>
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#include <ctime>
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#include <conio.h>
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using namespace std;
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int accountNum, increaments;
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long double balance = 0;
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long double available;
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long double borrow = 0;
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struct accounts {
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string name;
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string password;
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double balance;
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double borrowed;
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};
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//function declaring//////////////////////////////////////////
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void CheckBalance();
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void Borrow();
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void Deposit();
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void Return();
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void Menu(accounts oldData[]);
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void MainMenu();
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void outData(accounts oldData[]);
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void inputNewData(accounts data);
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void inputUpgradeData(accounts data[]);
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///////////////////////////////////////////////////////////////
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//function defintion///////////////////////////////////////////
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void Menu(accounts oldData[]) {
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char num = '1';
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while (num != '0')
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{
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system("CLS");
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cout << "\n 1.Deposit" << endl;
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cout << "\n 2.Borrow money from bank" << endl;
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cout << "\n 3.Return money to bank" << endl << endl;
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cout << "\n If you want to quit from this section please press 0" << endl << endl;
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num = _getch();
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switch (num) {
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case 49:
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system("CLS");
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Deposit();
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oldData[accountNum].balance = ::balance;
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inputUpgradeData(oldData);
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break;
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case 50:
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system("CLS");
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Borrow();
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oldData[accountNum].balance = ::balance;
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oldData[accountNum].borrowed = ::borrow;
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inputUpgradeData(oldData);
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break;
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case 51:
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system("CLS");
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Return();
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oldData[accountNum].balance = ::balance;
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oldData[accountNum].borrowed = ::borrow;
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inputUpgradeData(oldData);
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break;
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}
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}
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cout << "\n ";
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}
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void CheckBalance() {
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system("CLS");
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cout << "\n You balance: " << ::balance << "$" << endl << endl;
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cout << "\n ";
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system("pause");
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}
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void Deposit()
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{
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double money;
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cout << "\n Please enter amount of money - ";
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cin >> money;
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if (money == 0)
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{
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cout << "\n You entered 0 value so now you are redirected to the menu" << endl;
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Sleep(2000);
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}
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else if (money > 0)
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{
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::balance = ::balance + money;
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cout << "\n Please wait for a while, while we are transfering money to your account" << endl;
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Sleep(2000);
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cout << "\n ";
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cout << money << "$ amount of money was added to your balance" << endl << endl;
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}
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else
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{
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cout << "\n Error!" << endl;
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cout << "\n Please enter valid amount of money!" << endl << endl;
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}
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cout << "\n ";
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system("pause");
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}
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void Borrow()
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{
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long double borrow;
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cout << "\n In during time in our bank we have " << ::available << "$" << endl;
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cout << "\n How much do you want to borrow?" << endl;
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cout << "\n ";
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cin >> borrow;
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if (borrow == 0)
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{
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cout << "\n You entered 0 value so now you are redirected to the menu" << endl << endl;
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Sleep(2000);
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}
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else if (borrow <= ::available && borrow > 0)
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{
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cout << "\n We can give you such amount of money." << endl;
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cout << "\n Please wait for a while, while we are transfering money to your account" << endl;
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Sleep(3000);
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::available = ::available - borrow;
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::balance = ::balance + borrow;
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::borrow = ::borrow + borrow;
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cout << "\n Money is successfully transfered to your account." << endl << endl;
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}
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else if (::borrow < 0)
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{
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cout << "\n Error!" << endl;
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cout << "\n Please enter valid amount of money!" << endl << endl;
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}
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else {
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cout << "\n We are sorry but we cant give you such amount of money" << endl << endl;
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}
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cout << "\n ";
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system("pause");
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}
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void Return()
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{
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char choise;
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long double retr;
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if (::borrow > 0) {
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cout << "\n You have borrowed - " << ::borrow << "$" << endl;
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cout << "\n If you want to return some amount of money please press SPACE or press anything to go back to menu." << endl;
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choise = _getch();
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if (choise == 32) {
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cout << "\n How much do you want to return?" << endl;
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cout << "\n ";
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cin >> retr;
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if (retr == 0)
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{
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cout << "\n You entered 0 value so now you are redirected to the menu" << endl;
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Sleep(2000);
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}
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else if (retr > 0 && retr <= ::borrow) {
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cout << "\n Please wait while we are taking from your account money back." << endl;
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::borrow = ::borrow - retr;
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::balance = ::balance - retr;
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::available = ::available + retr;
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Sleep(3000);
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cout << "\n Money is successfully taken from your account." << endl << endl;
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}
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else
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{
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cout << "\n Error!" << endl;
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cout << "\n Please enter valid amount of money!" << endl << endl;
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}
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}
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}
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else {
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cout << "\n You haven't borrowed any money from us." << endl << endl;
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}
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cout << "\n ";
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system("pause");
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}
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void outData(accounts oldData[]) {
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ifstream file;
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file.open("data.txt");
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if (!file.is_open()) {
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cout << "Error\n";
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}
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else {
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//cout << "file is opened\n";
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string str = "";
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int i = 0, j = 0;
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string strArr[4];
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do {
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getline(file, str, '|');
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if (j < 4) {
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strArr[j] = str;
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j++;
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}
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else {
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oldData[i].name = strArr[0];
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oldData[i].password = strArr[1];
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oldData[i].balance = stoi(strArr[2]);
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oldData[i].borrowed = stoi(strArr[3]);
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::increaments++;
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j = 0;
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strArr[j] = str;
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j++;
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i++;
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}
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//cout<<str<<"|";
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}while (!file.eof());
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}
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}
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void inputNewData(accounts data) {
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ofstream file;
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file.open("data.txt", ofstream::app);
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file << data.name;
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file << "|";
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file << data.password;
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file << "|";
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file << data.balance;
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file << "|";
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file << data.borrowed;
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file << "|";
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file.close();
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}
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void inputUpgradeData(accounts data[]) {
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ofstream file;
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file.open("data.txt");
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for (int i = 0; i <::increaments; i++) {
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file << data[i].name;
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file << "|";
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file << data[i].password;
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file << "|";
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file << data[i].balance;
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file << "|";
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file << data[i].borrowed;
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file << "|";
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}
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file.close();
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}

‎Bank management system/Project3.exe‎

161 KB
Binary file not shown.

‎Bank management system/data.txt‎

Whitespace-only changes.

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