queue

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#include <iostream>

using std::cin;
using std::cout;
using std::endl;

#define STUDENT 10
#define MIN_RAND 1
#define MAX_RAND 100


class QUEUE {

        int max_size = 5;//STUDENT*5 + 50;
        int start = 0, size = 0;
        int temp, *arr;

    public:
        QUEUE() {
            cout<<"Queue was creating ... \n";
            arr = new int [max_size];
        }

        ~QUEUE() {
            cout<<"queue was deleted ..." ;
            delete[] arr;
        }

        void rand_creator_all () {

            for (int i=0; i<max_size; i++) {

                //cout<<"start = "<<start<<" ends =  "<<endl;

                temp = rand() % MAX_RAND + MIN_RAND;
                set_element(temp);

                //cout<<"start = "<<start<<" ends =  "<<endl;
            }
        }
        void set_element(int element) {
            int i = (start+size) % max_size;
            arr[i]=element;
            size++;

            //cout<<"start = "<<start<<" ends =  "<<endl;

        }

        void set_elements() {
            int num, element;
            cout<<"Enter amount elements ";
            cin >> num;
            if(num>max_size) {
                cout<< "bigger for max size queue\n";
            } else {
                for(int i=0; i<num; i++) {
                    cout << "Enter element: ";
                    cin >> element;

                    set_element(element);
                }
            }

        }

        void get_first() {
            size--;
            int answer = arr[start];
            if (size)
                start = (start + 1) % max_size;

            cout<<"first element "<<answer<<endl;
            //cout<<"start = "<<start<<" ends =  "<<endl;
        }
        void get_all_elements() {

            // cout<<"start = "<<start<<" endl =  "<<ends;

            while(size) {
                get_first();
            }


        }
        void get_info() {
            if(size > 0) {
                cout<< "queue not empty\n";
            } else {
                cout<< "queue is empty\n";
            }

        }

    private:

};

int main() {
    QUEUE Pract2;

    Pract2.get_info();

    cout<<"Generate elements for queue...\n";
    Pract2.rand_creator_all();


    Pract2.get_first();
    Pract2.get_all_elements();


    //Pract2.set_element(10);
    Pract2.set_elements();

    Pract2.get_all_elements();

    return 0;
}