1  #include <iostream>
  2  #include <string>
  3  using namespace std;
  4  
  5  class Bank {
  6  private:
  7      int accountNumber;
  8      string accountHolderName;
  9      double balance;
 10  
 11  public:
 12      void openAccount() {
 13          cout << "Enter Account Number: ";
 14          cin >> accountNumber;
 15          cout << "Enter Account Holder Name: ";
 16          cin.ignore();
 17          getline(cin, accountHolderName);
 18          cout << "Enter Opening Balance: ";
 19          cin >> balance;
 20      }
 21  
 22      void showAccount() {
 23          cout << "Account Number: " << accountNumber << endl;
 24          cout << "Account Holder Name: " << accountHolderName << endl;
 25          cout << "Balance: " << balance << endl;
 26      }
 27  
 28      void deposit() {
 29          double amount;
 30          cout << "Enter Amount to Deposit: ";
 31          cin >> amount;
 32          balance += amount;
 33          cout << "Amount Deposited Successfully!" << endl;
 34      }
 35  
 36      void withdraw() {
 37          double amount;
 38          cout << "Enter Amount to Withdraw: ";
 39          cin >> amount;
 40          if (amount > balance) {
 41              cout << "Insufficient Balance!" << endl;
 42          } else {
 43              balance -= amount;
 44              cout << "Amount Withdrawn Successfully!" << endl;
 45          }
 46      }
 47  
 48      bool search(int accNumber) {
 49          return accountNumber == accNumber;
 50      }
 51  };
 52  
 53  int main() {
 54      Bank accounts[5];
 55      int choice, accNumber, found = 0;
 56  
 57      while (true) {
 58          cout << "\nBank Management System" << endl;
 59          cout << "1. Open Account" << endl;
 60          cout << "2. Show Account Info" << endl;
 61          cout << "3. Deposit" << endl;
 62          cout << "4. Withdraw" << endl;
 63          cout << "5. Search Account" << endl;
 64          cout << "6. Exit" << endl;
 65          cout << "Enter Your Choice: ";
 66          cin >> choice;
 67  
 68          switch (choice) {
 69              case 1:
 70                  for (int i = 0; i < 5; i++) {
 71                      cout << "\nOpening Account " << (i + 1) << ":" << endl;
 72                      accounts[i].openAccount();
 73                  }
 74                  break;
 75              case 2:
 76                  for (int i = 0; i < 5; i++) {
 77                      cout << "\nAccount Info " << (i + 1) << ":" << endl;
 78                      accounts[i].showAccount();
 79                  }
 80                  break;
 81              case 3:
 82                  cout << "Enter Account Number to Deposit: ";
 83                  cin >> accNumber;
 84                  for (int i = 0; i < 5; i++) {
 85                      if (accounts[i].search(accNumber)) {
 86                          accounts[i].deposit();
 87                          found = 1;
 88                          break;
 89                      }
 90                  }
 91                  if (!found) cout << "Account Not Found!" << endl;
 92                  break;
 93              case 4:
 94                  cout << "Enter Account Number to Withdraw: ";
 95                  cin >> accNumber;
 96                  for (int i = 0; i < 5; i++) {
 97                      if (accounts[i].search(accNumber)) {
 98                          accounts[i].withdraw();
 99                          found = 1;
100                          break;
101                      }
102                  }
103                  if (!found) cout << "Account Not Found!" << endl;
104                  break;
105              case 5:
106                  cout << "Enter Account Number to Search: ";
107                  cin >> accNumber;
108                  for (int i = 0; i < 5; i++) {
109                      if (accounts[i].search(accNumber)) {
110                          accounts[i].showAccount();
111                          found = 1;
112                          break;
113                      }
114                  }
115                  if (!found) cout << "Account Not Found!" << endl;
116                  break;
117              case 6:
118                  exit(0);
119              default:
120                  cout << "Invalid Choice!" << endl;
121          }
122      }
123  
124      return 0;
125  }