05. Compare Matrices

#include <iostream>
#include <sstream>
#include <string>
#include <memory>

using namespace std;

unique_ptr<unique_ptr<int[]>[]> matrixFiller(const int& c) {

    int r;
    cin >> r;
    cin.ignore();

    unique_ptr<unique_ptr<int[]>[]> m = make_unique<unique_ptr<int[]>[]>(r);

    string line;

    for (int row = 0; row < r; row++) {
        m[row] = make_unique<int[]>(c);

        getline(cin, line);

        istringstream ss(line);

        int num;
        for (int col = 0; col < c; col++) {
            m[row][col] = ss >> num ? num : 0;
        }
    }

    return m;
}

bool areEqual(const unique_ptr<unique_ptr<int[]>[]>& a,
    const unique_ptr<unique_ptr<int[]>[]>& b, const int& c) {

    for (int row = 0; row < sizeof(a) / 4; row++) {
        for (int col = 0; col < c; col++) {
            if (a[row][col] != b[row][col]) {
                return false;
            }
        }
    }

    return true;
}

int main() {
    int c = 10;

    unique_ptr<unique_ptr<int[]>[]> matrix1 = matrixFiller(c), matrix2 = matrixFiller(c);
    cout << (areEqual(matrix1, matrix2, c) ? "equal" : "not equal") << endl;

    return 0;
}