Mid I, Album

#include <iostream>
#include <iomanip>
#include <string>

using namespace std;

struct albuminfo{
    int id, release_year;
    string title;
    double price;
};

struct Album{
    albuminfo A;
    int copies;
    double totalmoney;
};

void readData(Album &X);
void updateData(Album &X, int cp);
void printCategories();
void showData(Album &X);
void findAlbum(Album *A, int na, int id, int cp);


int main(){

    cout << "Welcome to Arnob & Friends" << endl;
    cout << "Phase I : Albums Registration" << endl;

    int na, i, id, cp;
    double grandTotal = 0.00;

    cout << "Enter number of albums: ";
    cin >> na;

    Album A[na];

    for(i = 0; i < na; i++){
        cout << "Enter info for album " << i + 1 << ": ";
        readData(A[i]);
    }

    cout << "Phase II : Album Sales" << endl;

    do{
        cout << "Enter album id and number of copies: ";
        cin >> id >> cp;

        findAlbum(&A[0], na, id, cp);
    }
    while(id != 0 && cp != 0);

    cout << "Phase III : Sales Information" << endl;

    printCategories();

    for(i = 0; i < na; i++)
        showData(A[i]);

    for(i = 0; i < 46; i++)
        cout << "-";

    for(i = 0; i < na; i++)
        grandTotal += A[i].totalmoney;

    cout.setf (ios :: fixed);
    cout << endl << left << setw(34) << "GRAND TOTAL" << right << setw(11) << setprecision(1) << grandTotal << endl;

    cout << "Thank You. Have a good day!" << endl;

    return 0;
}



void readData(Album &X){

    cin >> X.A.id >> X.A.title >> X.A.price >> X.A.release_year;
    X.copies = 0;
    X.totalmoney = 0.00;
    return;
}


void findAlbum(Album *A, int na, int id, int cp){
    int i;
    for(i = 0; i < na; i++)
            if(id == A[i].A.id){
                updateData(A[i], cp);
                break;
            }
    if(i == na && id != 0 && cp != 0)
        cout << "SORRY, ALBUM NOT AVAILABLE!" << endl;
}


void updateData(Album &X, int cp){

    X.copies += cp;
    X.totalmoney += (cp * X.A.price);
    return;
}


void printCategories(){

    cout << right << setw(3) << "ID" << " " << left << setw(14) << "NAME" << right << setw(13) << "NUMBERS SOLD" << right << setw(14) << "TOTAL AMOUNT" << endl;
    return;
}


void showData(Album &X){

    cout.setf (ios :: fixed);

    cout << right << setw(3) << X.A.id << " " << left << setw(14) << X.A.title << right << setw(13) << X.copies << right << setw(14) << setprecision(1) << X.totalmoney << endl;

    return;
}