Prof Constantinescu Matrice inmultita(Matrix multiplication)

#include <iostream>
using namespace std;



int main() {
    int  *q, *p, *r, k,y,l,c,total, matrice[100][100];
    cout << "Introduceti liniile si coloanele matricelor: ";
    cin >> l >> c;

    total = l * c;

    q = new int(total);
    p = new int(total);
    r = new int(total);


    cout << "Introduceti elementele  matricii 1: " << endl;

    for (int i = 0; i < total; i++) {
            cin >> q[i];
    }

    cout << "Introduceti elementele  matricii 2: " << endl;


    for (int i = 0; i < l; i++) {
        for (int j = 0; j < c; j++) {
            cin >> matrice[i][j];
        }
    }

    k = 0;
    for (int i = 0; i < l; i++) {
        for (int j = 0; j < c; j++) {
            p[k] = matrice[j][i];
            k++;
        }
    }

    k = 0;
    y = 0;
    for (int i = 0; i < total; i++) {
        if (i < sqrt(total)) {
            k = 0;
        }
        else {
            k = 2;
        }

        if (i%2==0) {
            y = 0;
        } else {
            y = 2;
        }

        r[i] = q[k] * p[y];
    }

    k = 0;
    y = 0;
    for (int i = 0; i < total; i++) {
        if (i < sqrt(total)) {
            k = 1;
        } else {
            k = 3;
        }

        if (i%2==0) {
            y = 1;
        }  else {
            y = 3;
        }

        r[i] += q[k] * p[y];

    }

    for (int i = 0; i < total; i++)
    {
        cout << r[i] << " ";
    }


    system("pause");
}