Movies [Lab -3]

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

using namespace std;


//Defining the Class "Movies
class Movies{
private:
    int id, duration;
    double price;
    string title;
public:
    Movies(): id(0), duration(0), price(0.00), title("N/A") {} //Constructor

    ~Movies(){} //Destructor

    void updPrice(double n){ //for Updating the Price of a Movie
        price = price * (100 + n) / 100;
        return;
    }

    void readData(){ //Takes input from user for movie info
        cin >> id >> title >> duration >> price;
        return;
    }

    void showData(){ //Prints the Movie info
        cout.setf (ios :: fixed);
        cout << left << setw(5) << id << left << setw(15) << title << right << setw(9) << duration << right << setw(9) << setprecision(2) << price << endl;
        return;
    }

    void maxPrice(Movies M[], int n){ //finds and prints the Maximum Priced Movie
        int i, m = 0, mi = -1;

        for (i = 0; i < n; i++)
            if (mi < M[i].price){
                mi = M[i].price;
                m = i;
            }
        cout << endl << "Highest Priced Movie is: " << endl;
        M[m].showData(); //calls the Movie info Printing function to print the info of the Max Priced Movie
        return;
        }
};



int main(){
    int n, i;
    double upd;

    cout << "How many movies in the store? ";
    cin >> n;

    Movies M[n]; //Declaring the Array of Objects

    //takes input for all the movies using loop
    for (i = 0; i < n ; i++){
        cout << "Enter info for movie " << i + 1 << ": ";
        M[i].readData();
    }

    //prints all the Movies info using loop
    cout << endl << "List of the Movies in the store: " << endl << left << setw(5) << "ID" << left << setw(15) << "Title" << right << setw(9) << "Duration" << right << setw(9) << "Price" << endl;
    for (i = 0; i < n; i++)
        M[i].showData();

    M[0].maxPrice(M, n); //Calls the maxPrice function to print the Highest Priced Movie info

    cout << endl << endl;

    //updates the Movie Prices
    for (i = 0; i < n; i++){
        cout << "Update the price of Movie " << i + 1 << "(in percentage): ";
        cin >> upd;
        M[i].updPrice(upd);
    }

    //prints all the updated Movies info using loop
    cout << endl << "Updated list of the Movies in the store: " << endl << left << setw(5) << "ID" << left << setw(15) << "Title" << right << setw(9) << "Duration" << right << setw(9) << "Price" << endl;
    for (i = 0; i < n; i++)
        M[i].showData();

    M[0].maxPrice(M, n); //Calls the maxPrice function to print the Highest Priced Movie info

    cout << endl << endl << "Thank You" << endl;

    return 0;
}