bilet 18, Cosmin

#include <stdio.h>
#include <conio.h>
#include <iostream>

using namespace std;

struct List {
    int linie;
    int coloana;
    int element;
};

class Matrice {
private:
    List *vector;
    int **p,linii,coloane;
public:
    Matrice(int linii = 0, int coloane = 0) {
        vector = new List[linii*coloane];
        this->linii = linii;
        this->coloane = coloane;
        p = Alocare(linii, coloane);
    }
    Matrice (const Matrice & matrice) {
        if (matrice.linii != 0 && matrice.coloane != 0) {
            this->linii = matrice.linii;
            this->coloane = matrice.coloane;
            this->p = Alocare(linii, coloane);
            this->vector = new List[linii*coloane];
            int contor_vector = 0;

            for (int i = 0; i < linii; i++) {
                for (int j = 0; j < coloane; j++) {
                    this->p[i][j] = matrice.p[i][j];
                    this->vector[contor_vector].coloana = matrice.vector[contor_vector].coloana;
                    this->vector[contor_vector].linie = matrice.vector[contor_vector].linie;
                    this->vector[contor_vector].element = matrice.vector[contor_vector].element;
                    contor_vector++;
                }
            }
        }
    }
    int **Alocare(int linii, int coloane);
    void Citire();
    void Afisare();
    void ModificaElement(int linie, int coloana,int element);
    friend void Suma(Matrice A, Matrice B);
    ~Matrice ();
};

int ** Matrice::Alocare(int linii, int coloane) {
    int **pointer;
    if((pointer = new int*[linii]) == NULL){;
        cout << "Nu s-a gasit memorie.";
        _getch();
        exit(0);
    }
    for (int i = 0; i < linii; i++)
        if ((pointer[i] = new int[coloane]) == NULL) {
            cout << "Nu s-a gasit memorie.";
            _getch();
            exit(0);
        }

    return pointer;
}

void Matrice::Citire() {
    if (linii != 0 && coloane != 0) {
        int contor_vector = 0;
        for (int i = 0; i < linii; i++) {
            cout << "Linia " << i << ":" << endl;
            for (int j = 0; j < coloane; j++) {
                cout << "Matrice[" << i << "]" << "[" << j << "] = ";
                cin >> p[i][j];
                vector[contor_vector].coloana = j;
                vector[contor_vector].linie = i;
                vector[contor_vector].element = p[i][j];
                contor_vector++;
            }
            cout << endl;
        }
    }
}

void Matrice::Afisare() {
    if (linii != 0 && coloane != 0)
        for (int i = 0; i < linii; i++) {
            for (int j = 0; j < coloane; j++) {
                cout << p[i][j] << " ";
        }
        cout << endl;
    }
}

void Matrice::ModificaElement(int linie, int coloana,int element) {
    if (linii != 0 && coloane != 0) {
        if ((linie >= 0 && linie <= linii) && (coloana >= 0 && coloana <= coloane)) {
            p[linie][coloana] = element;
            int contor_vector = 0;
            for (int i = 0; i < linie; i++)
                for (int j = 0; j < coloana; j++)
                    contor_vector++;

            vector[contor_vector].element = element;
        }

    }
}

Matrice ::~Matrice ()
{
    delete[] p;
    p = NULL;
    delete[] vector;
    vector = NULL;
    cout << "\nObiectul a fost sters" << endl;
}

void Suma(Matrice A, Matrice B) {
    if (A.linii == B.linii && A.coloane == B.coloane) {
        int contor_vector = 0;
        cout << endl << "Suma:" << endl;
        for (int i = 0; i < A.linii; i++) {
            for (int j = 0; j < A.coloane; j++) {
                cout << A.vector[contor_vector].element + B.vector[contor_vector].element << " ";
                contor_vector++;
            }
            cout << endl;
        }
    }

}


void main() {
    Matrice Frentzy(3, 3);
    Frentzy.Citire();
    cout << endl;
    Frentzy.Afisare();
    Matrice Coordonare(Frentzy);
    cout << endl;
    Coordonare.Afisare();
//  Coordonare.ModificaElement(2, 2,10);
//  Coordonare.ModificaElement(0, 0, 11);
//  Coordonare.Afisare();
    cout << endl;
    Suma(Frentzy, Coordonare);

    _getch();
}