Упростить программу со структурой

#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstring>
 
using namespace std;
 
struct Baggage {
    char surname[25]; 
    char name[20]; 
    int count; 
    double weight; 
};
 
Baggage ReadBaggage() {
    Baggage baggage; 
 
    cout << "Enter surname: ";
    cin >> baggage.surname; 
 
    cout << "Enter name: ";
    cin >> baggage.name; 
 
    cout << "Enter count: ";
    cin >> baggage.count; 
    cout << "Enter weight: ";
    cin >> baggage.weight; 
 
    return baggage;
}
 
 
void PrintHeader() {
    cout << "| Index |          Surname          |         Name         | Count | Weight |" << endl;
}
 
 
void PrintBaggage(Baggage baggage, int index) {
    cout << "| " << setw(5) << index << " ";
    cout << "| " << setw(25) << baggage.surname << " "; 
    cout << "| " << setw(20) << baggage.name << " "; 
    cout << "| " << setw(5) << baggage.count << " "; 
    cout << "| " << setw(6) << baggage.weight << " "; 
    cout << "|" << endl;
}
 
void PrintFooter() {
    cout << "+-------+---------------------------+----------------------+-------+--------+" << endl;
}
 
 
int CompareBaggages(Baggage baggage1, Baggage baggage2, int field) {
    if (field == 1)
        return strcmp(baggage1.surname, baggage2.surname);
 
    if (field == 2)
        return strcmp(baggage1.name, baggage2.name);
 
    if (field == 3)
        return baggage1.count - baggage2.count;
 
    if (field == 4)
        return baggage1.weight - baggage2.weight;
 
    return 0;
}
 
 
void PrintBaggages(Baggage *baggages, int n) {
    if (n == 0) { 
        cout << "No baggages have been added yet" << endl; 
        return; 
    }
 
    PrintHeader(); 
    for (int i = 0; i < n; i++)
        PrintBaggage(baggages[i], i + 1);
 
    PrintFooter(); 
}
 
 
void ReadBaggages(Baggage *baggages, int &n) {
    cout << "Enter number of baggages: ";
    cin >> n; 
 
    for (int i = 0; i < n; i++) {
        cout << "Enter information of baggage " << (i + 1) << ": " << endl;
        baggages[i] = ReadBaggage(); 
        cout << endl; 
    }
}
 
 
void FindBaggages(Baggage *baggages, int &n) {
    if (n == 0) { 
        cout << "No baggages have been added yet" << endl;
        return; 
    }
 
    bool wasFind = false; 
 
    for (int i = 0; i < n; i++) {
        if (baggages[i].count > 2) { 
            if (!wasFind) { 
                PrintHeader();
                wasFind = true; 
            }
 
            PrintBaggage(baggages[i], i + 1); 
        }
    }
 
    if (!wasFind) { 
        cout << "No matching baggages" << endl; 
    }
    else {
        PrintFooter(); 
    }
}
 
 
void SaveBaggagesToBinaryFile(Baggage *baggages, int n) {
    if (n == 0) {
        cout << "No baggages have been added yet" << endl; 
        return; 
    }
 
    char path[100]; 
    cout << "Enter path to file: ";
    cin >> path; 
 
    ofstream f(path, ios::binary); 
 
    for (int i = 0; i < n; i++)
        f.write((const char *)&baggages[i], sizeof(Baggage)); 
 
    f.close(); 
    cout << "File '" << path << "' successfully created" << endl;
}
 
 
void LoadBaggagesFromBinaryFile(Baggage *baggages, int &n) {
    char path[100]; 
    cout << "Enter path to file: ";
    cin >> path; 
 
    ifstream f(path, ios::binary);
 
    if (!f) { 
        cout << "Unable to open file '" << path << "'" << endl; 
        return; 
    }
 
    f.seekg(0, ios::end); 
    n = f.tellg() / sizeof(Baggage); 
    f.seekg(0, ios::beg); 
 
    for (int i = 0; i < n; i++)
        f.read((char *) (baggages + i), sizeof(Baggage)); 
 
    f.close(); 
}
 
 
void CountWithMoreAverage(Baggage *baggages, int n) {
    double average = 0;
 
    for (int i = 0; i < n; i++)
        average += baggages[i].count;
 
    average /= n; 
 
    cout << "Average count: " << average << endl;
 
    int count = 0;
 
    for (int i = 0; i < n; i++)
        if (baggages[i].count > average) 
            count++; 
 
    cout << "Count of baggages more than average: " << count << endl;
}
 
void HaveMore30kg(Baggage *baggages, int n) {
    int i = 0;
 
    while (i < n && (baggages[i].count != 1 || baggages[i].weight <= 30))
        i++;
 
    if (i == n) {
        cout << "No passenger" << endl;
    }
    else {
        PrintHeader();
        PrintBaggage(baggages[i], i);
        PrintFooter();
    }
}
 
int main() {
    Baggage baggages[10]; 
    int n; 
    int item; 
 
    do {
        cout << endl << "Select item of menu" << endl;
        cout << "1. Print" << endl;
        cout << "2. Read from keyboard" << endl;
        cout << "3. Find" << endl;
        cout << "4. Save to binary file" << endl;
        cout << "5. Load from binary file" << endl;
        cout << "6. Count with more average" << endl;
        cout << "7. Have more 30kg" << endl;
        cout << "8. Quit" << endl;
        cout << ">"; 
        cin >> item; 
 
        
        while (item < 1 || item > 8) {
            cout << "Invalid item, try again: ";
            cin >> item; 
        }
 
        
        switch (item) {
        case 1: 
            PrintBaggages(baggages, n); 
            break;
 
        case 2:
            ReadBaggages(baggages, n); 
            break;
 
        case 3: 
            FindBaggages(baggages, n); 
            break;
 
        case 4: 
            SaveBaggagesToBinaryFile(baggages, n); 
            break;
 
        case 5: 
            LoadBaggagesFromBinaryFile(baggages, n); 
            break;
 
        case 6: 
            CountWithMoreAverage(baggages, n);
            break;
 
        case 7: 
            HaveMore30kg(baggages, n);
            break;
        }
    } while (item != 8); 
}