lab 1 sem 3 popitka1

HEADER
#ifndef ANALYSIS_H_
#define ANALYSIS_H_
#include <string>
class Analysis
{
private:
    std::string m_name;
    int m_date;     //дата основания
    bool m_abel;    //получал ли кто-либо Абелевскую премию за открытия в этой области
public:
    Analysis();
    Analysis(const std::string&, const int, bool);
    Analysis(const Analysis&);
    ~Analysis();
    Analysis& operator=(Analysis math);
};
#endif

SOURCE
#include <iostream>
#include "Analysis.h"
Analysis::Analysis(): m_name("none"), m_date(0), m_abel(false)
{
    std::cout << "Constructor without params." << std::endl << "Name = " << m_name << ", date = " << m_date << ", abel = " << m_abel << "." << std::endl;
}

Analysis::Analysis(const std::string& m_name, const int m_date, bool m_abel)
{
    this->m_name = m_name;
    this->m_date = m_date;
    this->m_abel = m_abel;
    std::cout << "Constructor with params." << std::endl << "Name = " << m_name << ", date = " << m_date << ", abel = " << m_abel << "." << std::endl;
}

Analysis::Analysis(const Analysis& mat_an)
{
    m_name = mat_an.m_name;
    m_date = mat_an.m_date;
    m_abel = mat_an.m_abel;
    std::cout << "Copy constructor." << std::endl << "Name = " << m_name << ", date = " << m_date << ", abel = " << m_abel << "." << std::endl;
}

Analysis::~Analysis()
{
    std::cout << "Destructor for object with values:" << std::endl << "Name = " << m_name << ", date = " << m_date << ", abel = " << m_abel << "." << std::endl;
}

Analysis& Analysis::operator=(Analysis math)
{
    this->m_name = math.m_name;
    this->m_date = math.m_date;
    this->m_abel = math.m_abel;
    std::cout << "Operator =." << std::endl << "Name = " << m_name << ", date = " << m_date << ", abel = " << m_abel << "." << std::endl;
    return *this;
}


REALIZ
#include <iostream>
#include "Analysis.h"

using namespace std;

int main()
{
    int n, part;
    cout << "Enter the mas size: " << endl;
    cin >> n;
    Analysis* mas = new Analysis[n];
    Analysis* din = new Analysis;
    for (int i = 0; i < n; i++)
    {
        cout << "This is " << i + 1 << " element." << endl << "For creating object with params press 1, for creating with copy press 2." << endl << "For creating object without params press 3, for exit press 4." << endl;
        cin >> part;
        switch (part) {
        case 1: {
            string name; int date; bool abel;
            cout << "Enter name: ";
            cin >> name;
            cout << "Enter date: ";
            cin >> date;
            cout << "Enter abel: ";
            cin >> abel;
            mas[i] = Analysis(name, date, abel);
            break; }
        case 2:
            int pos;
            cout << "Enter position of copied element: ";
            cin >> pos;
            while ((pos > n) || (pos < 1))
            {
                cout << "Error. Please, try again." << endl;
                cin >> pos;
            }
            mas[i] = Analysis(mas[pos - 1]);
            break;

        case 3:
            //Analysis I_love_matanchek = Analysis();
            break;
        case 4:
            i = n;
            break;
        default: cout << "Error. Please, try again.";
            i--;
            break;
        }
    }

    cout << "If you want to delete all objects, enter 'y', else enter 'n'" << endl;
    char answer;
    cin >> answer;
    if (answer == 'y')
    {
        for (int i = 0; i < n; i++)
        {
            mas[i].~Analysis();
        }
        delete din;
    }
    system("pause");
    return 0;
}