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banking-management-system.c
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banking-management-system.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_ACCOUNTS 100
#define MAX_TRANSACTIONS 100
struct Transaction {
char type[20]; // "Deposit", "Withdrawal", "Transfer"
float amount;
};
struct Account {
int accountNumber;
char name[50];
float balance;
struct Transaction transactions[MAX_TRANSACTIONS];
int numTransactions;
};
struct Account accounts[MAX_ACCOUNTS];
int numAccounts = 0;
int findAccount(int accountNumber) {
for (int i = 0; i < numAccounts; i++) {
if (accounts[i].accountNumber == accountNumber) {
return i;
}
}
return -1;
}
void createAccount() {
if (numAccounts >= MAX_ACCOUNTS) {
printf("Maximum number of accounts reached!\n");
return;
}
struct Account newAccount;
newAccount.accountNumber = numAccounts + 1;
printf("Enter account holder's name: ");
scanf("%s", newAccount.name);
newAccount.balance = 0.0;
newAccount.numTransactions = 0;
accounts[numAccounts++] = newAccount;
printf("Account created successfully. Account Number: %d\n", newAccount.accountNumber);
}
void deposit(int accountNumber, float amount) {
int index = findAccount(accountNumber);
if (index != -1) {
accounts[index].balance += amount;
strcpy(accounts[index].transactions[accounts[index].numTransactions].type, "Deposit");
accounts[index].transactions[accounts[index].numTransactions].amount = amount;
accounts[index].numTransactions++;
printf("Deposit successful. Current balance: %.2f\n", accounts[index].balance);
} else {
printf("Account not found!\n");
}
}
void withdraw(int accountNumber, float amount) {
int index = findAccount(accountNumber);
if (index != -1) {
if (accounts[index].balance >= amount) {
accounts[index].balance -= amount;
strcpy(accounts[index].transactions[accounts[index].numTransactions].type, "Withdrawal");
accounts[index].transactions[accounts[index].numTransactions].amount = amount;
accounts[index].numTransactions++;
printf("Withdrawal successful. Current balance: %.2f\n", accounts[index].balance);
} else {
printf("Insufficient balance!\n");
}
} else {
printf("Account not found!\n");
}
}
void transfer(int fromAccount, int toAccount, float amount) {
int fromIndex = findAccount(fromAccount);
int toIndex = findAccount(toAccount);
if (fromIndex != -1 && toIndex != -1) {
if (accounts[fromIndex].balance >= amount) {
accounts[fromIndex].balance -= amount;
accounts[toIndex].balance += amount;
strcpy(accounts[fromIndex].transactions[accounts[fromIndex].numTransactions].type, "Transfer (To)");
accounts[fromIndex].transactions[accounts[fromIndex].numTransactions].amount = amount;
accounts[fromIndex].numTransactions++;
strcpy(accounts[toIndex].transactions[accounts[toIndex].numTransactions].type, "Transfer (From)");
accounts[toIndex].transactions[accounts[toIndex].numTransactions].amount = amount;
accounts[toIndex].numTransactions++;
printf("Transfer successful. Current balances:\n");
printf("From Account %d: %.2f\n", fromAccount, accounts[fromIndex].balance);
printf("To Account %d: %.2f\n", toAccount, accounts[toIndex].balance);
} else {
printf("Insufficient balance in the sender's account!\n");
}
} else {
printf("One or both accounts not found!\n");
}
}
void viewTransactions(int accountNumber) {
int index = findAccount(accountNumber);
if (index != -1) {
printf("Transaction history for Account %d:\n", accountNumber);
for (int i = 0; i < accounts[index].numTransactions; i++) {
printf("%d. Type: %s, Amount: %.2f\n", i + 1, accounts[index].transactions[i].type, accounts[index].transactions[i].amount);
}
} else {
printf("Account not found!\n");
}
}
int main() {
int choice, accountNumber, toAccount;
float amount;
do {
printf("\nBanking System Menu:\n");
printf("1. Create Account\n");
printf("2. Deposit\n");
printf("3. Withdraw\n");
printf("4. Transfer\n");
printf("5. View Transactions\n");
printf("6. Exit\n");
printf("Enter your choice: ");
scanf("%d", &choice);
switch (choice) {
case 1:
createAccount();
break;
case 2:
printf("Enter account number: ");
scanf("%d", &accountNumber);
printf("Enter amount to deposit: ");
scanf("%f", &amount);
deposit(accountNumber, amount);
break;
case 3:
printf("Enter account number: ");
scanf("%d", &accountNumber);
printf("Enter amount to withdraw: ");
scanf("%f", &amount);
withdraw(accountNumber, amount);
break;
case 4:
printf("Enter sender's account number: ");
scanf("%d", &accountNumber);
printf("Enter recipient's account number: ");
scanf("%d", &toAccount);
printf("Enter amount to transfer: ");
scanf("%f", &amount);
transfer(accountNumber, toAccount, amount);
break;
case 5:
printf("Enter account number: ");
scanf("%d", &accountNumber);
viewTransactions(accountNumber);
break;
case 6:
printf("Exiting program.\n");
break;
default:
printf("Invalid choice. Please try again.\n");
}
} while (choice != 6);
return 0;
}