Untitled

#include<bits/stdc++.h>
using namespace std;

void Employee();
void User();
void CreateProfile();
void Admin();
void CentralBank();
void ShowAllProfile();
void SearchUserProfile();
void MaxSalary();
void ShowAllEmployee();
void RemoveEmployee();
void GreedyLoanDistribution(); // New function declaration

struct userinfo {
    int ID;
    char name[50];
    char address[50];
    char branch[50];
    double balance;
    double loanRequested; // Additional attribute for loan requests
};

struct employeeinfo {
    int ID;
    char name[50];
    int workingHOUR;
    char address[50];
};

struct userinfo users[10000];
struct employeeinfo employees[1000];

int usercounter = 0;
int empcounter = 0;

int main() {
    printf("=======================================\n");
    printf("Welcome to Banking Management System\n");
    printf("=======================================\n");

    while (true) {
        printf("Press (1) to enter 'User' Menu\n");
        printf("Press (2) to enter 'Employee' Menu\n");
        printf("Press (3) to enter 'Admin' Menu\n");
        printf("Press (4) to request money to central bank\n");
        printf("Press (5) for Greedy Loan Distribution\n"); // New feature in the menu
        printf("Press (0) to exit the system\n");
        printf("-------------------------------------\n");
        printf("Enter your choice: ");

        int n;
        scanf("%d", &n);

        switch (n) {
            case 1:
                User();
                break;

            case 2:
                Employee();
                break;

            case 3:
                Admin();
                break;

            case 4:
                CentralBank();
                break;

            case 5:
                GreedyLoanDistribution(); // Call the new feature
                break;

            case 0:
                return 0;

            default:
                printf("Your input is wrong, try again.\n");
        }
    }
}

void User() {
    printf("=======================================\n");
    printf("Welcome to USER MENU\n");
    printf("=======================================\n");

    while (true) {
        printf("Press (1) to create a new user profile\n");
        printf("Press (2) to search any existing user profile\n");
        printf("Press (3) to display all user profiles\n");
        printf("Press (4) to display maximum balance among all users\n");
        printf("Press (5) to request a loan\n");
        printf("Press (0) to return to the main menu\n");
        printf("-------------------------------------\n");
        printf("Enter your choice: ");

        int n;
        scanf("%d", &n);

        if (n == 1) {
            CreateProfile();
        }

        if (n == 2) {
            SearchUserProfile();
            printf("\n");
        }

        if (n == 3) {
            ShowAllProfile();
            printf("\n");
        }

        if (n == 4) {
            MaxSalary();
            printf("\n");
        }

        if (n == 5) {
            printf("Enter your ID to request a loan: ");
            int id;
            double loan;
            scanf("%d", &id);
            printf("Enter the loan amount: ");
            scanf("%lf", &loan);

            for (int i = 0; i < usercounter; i++) {
                if (users[i].ID == id) {
                    users[i].loanRequested = loan;
                    printf("Loan request of %.2lf submitted successfully!\n", loan);
                    return;
                }
            }
            printf("User ID not found!\n");
        }

        if (n == 0) {
            break;
        }
    }
}

void GreedyLoanDistribution() {
    printf("=======================================\n");
    printf("Greedy Loan Distribution System\n");
    printf("=======================================\n");

    if (usercounter == 0) {
        printf("No users available for loan distribution.\n");
        return;
    }

    printf("Enter the total loan amount available: ");
    double totalLoan;
    scanf("%lf", &totalLoan);

    // Sort users by balance in ascending order (Greedy Approach)
    sort(users, users + usercounter, [](const userinfo &a, const userinfo &b) {
        return a.balance < b.balance;
    });

    // Allocate loans
    for (int i = 0; i < usercounter && totalLoan > 0; i++) {
        if (users[i].loanRequested > 0) {
            double allocated = min(users[i].loanRequested, totalLoan);
            users[i].balance += allocated;
            totalLoan -= allocated;
            users[i].loanRequested -= allocated;
            printf("Allocated %.2lf to User ID: %d (Remaining loan request: %.2lf)\n", 
                    allocated, users[i].ID, users[i].loanRequested);
        }
    }

    printf("Loan distribution completed. Remaining funds: %.2lf\n", totalLoan);
}

void CreateProfile() {
    if (usercounter > 10000) {
        printf("No more than 10000 users can be allowed!\n");
        return;
    }

    struct userinfo profile;

    printf("Enter User ID: ");
    scanf("%d", &profile.ID);
    printf("Enter User name: ");
    scanf("%s", profile.name);
    printf("Enter User address: ");
    scanf("%s", profile.address);
    printf("Enter User branch: ");
    scanf("%s", profile.branch);
    printf("Enter User balance: ");
    scanf("%lf", &profile.balance);
    profile.loanRequested = 0; // Initialize loan request to 0
    printf("\n");

    users[usercounter++] = profile;
}

// Remaining functions are unchanged
void ShowAllProfile() {
    printf("=======================================\n");
    printf("Here are all the user profiles\n");
    printf("=======================================\n");

    for (int i = 0; i < usercounter; i++) {
        printf("ID: %d, Name: %s, Address: %s, Branch: %s, Balance: %.2lf, Loan Requested: %.2lf\n", 
               users[i].ID, users[i].name, users[i].address, users[i].branch, users[i].balance, users[i].loanRequested);
    }
}

// The rest of the code is unchanged as per your requirement.