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main.cpp

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+#include <iostream>
+#include <fstream>
+#include <string>
+#include <vector>
+
+using namespace std;
+
+struct User {
+    string name;
+    string password;
+};
+
+struct Record {
+    string date;
+    double revenue;
+    double profit;
+};
+
+vector<User> users;
+vector<Record> records;
+
+void addUser() {
+    User user;
+    cout << "Enter name: ";
+    cin >> user.name;
+    cout << "Enter password: ";
+    cin >> user.password;
+    users.push_back(user);
+}
+
+void editUser() {
+    string name;
+    cout << "Enter name of user to edit: ";
+    cin >> name;
+    for (int i = 0; i < users.size(); i++) {
+        if (users[i].name == name) {
+            cout << "Enter new password: ";
+            cin >> users[i].password;
+            return;
+        }
+    }
+    cout << "User not found." << endl;
+}
+
+void deleteUser() {
+    string name;
+    cout << "Enter name of user to delete: ";
+    cin >> name;
+    for (int i = 0; i < users.size(); i++) {
+        if (users[i].name == name) {
+            users.erase(users.begin() + i);
+            return;
+        }
+    }
+    cout << "User not found." << endl;
+}
+
+void addRecord() {
+    Record record;
+    cout << "Enter date (YYYY-MM-DD): ";
+    cin >> record.date;
+    cout << "Enter revenue: ";
+    cin >> record.revenue;
+    cout << "Enter profit: ";
+    cin >> record.profit;
+    records.push_back(record);
+}
+
+void editRecord() {
+    string date;
+    cout << "Enter date of record to edit (YYYY-MM-DD): ";
+    cin >> date;
+    for (int i = 0; i < records.size(); i++) {
+        if (records[i].date == date) {
+            cout << "Enter new revenue: ";
+            cin >> records[i].revenue;
+            cout << "Enter new profit: ";
+            cin >> records[i].profit;
+            return;
+        }
+    }
+    cout << "Record not found." << endl;
+}
+
+void deleteRecord() {
+    string date;
+    cout << "Enter date of record to delete (YYYY-MM-DD): ";
+    cin >> date;
+    for (int i = 0; i < records.size(); i++) {
+        if (records[i].date == date) {
+            records.erase(records.begin() + i);
+            return;
+        }
+    }
+    cout << "Record not found." << endl;
+}
+
+void outputAnalytics() {
+    double totalRevenue = 0;
+    double totalProfit = 0;
+    for (int i = 0; i < records.size(); i++) {
+        totalRevenue += records[i].revenue;
+        totalProfit += records[i].profit;
+    }
+    double averageRevenue = totalRevenue / records.size();
+    double averageProfit = totalProfit / records.size();
+    cout << "Total revenue: $" << totalRevenue << endl;
+    cout << "Total profit: $" << totalProfit << endl;
+    cout << "Average revenue: $" << averageRevenue << endl;
+    cout << "Average profit: $" << averageProfit << endl;
+}
+
+void saveRecordsToFile() {
+    ofstream file("records.csv");
+    file << "Date,Revenue,Profit" << endl;
+    for (int i = 0; i < records.size(); i++) {
+        file << records[i].date << "," << records[i].revenue << "," << records[i].profit << endl;
+    }
+    file.close();
+}
+
+int main() {
+
+    int choice = 0;
+
+    do {
+
+        cout << "\nSelect option and press enter \n1. Add user\n2. edit user\n3. delete user\n4. add record\n5. edit record\n6. delete record\n7. output analytics\n8. save records to file\n0. exit)\nEnter option: ";
+
+        cin >> choice;
+
+        switch (choice) {
+
+        case 1:
+            addUser();
+            break;
+        case 2:
+            editUser();
+            break;
+        case 3:
+            deleteUser();
+            break;
+        case 4:
+            addRecord();
+            break;
+        case 5:
+            editRecord();
+            break;
+        case 6:
+            deleteRecord();
+            break;
+        case 7:
+            outputAnalytics();
+            break;
+        case 8:
+            saveRecordsToFile();
+        case 0:
+            break;
+            exit(0);
+        default:
+            cout << "\nPlease enter correct option" << endl;
+        }
+
+    } while (choice != 0);
+
+   
+    return 0;
+}