Ввести двумерный массив A(n x m)

 #include  

 

using namespace std; 

 

template 

T* create(const size_t n) { 

    return new(nothrow) T[n]; 

} 

 

template 

void destroy(T* box) { 

    if (box != nullptr) { 

        delete[] box; 

        box = nullptr; 

    } 

} 

 

template 

T** create(const size_t n, const size_t m) { 

    auto matrix = new(nothrow) T* [n]; 

    if (matrix != nullptr) { 

        for (size_t i = 0; i < n; ++i) { 

            matrix[i] = create(m); 

            if (matrix[i] == nullptr) { 

                for (size_t j = 0; j < i; ++j) destroy(matrix[i]); 

                delete[] matrix; 

                matrix = nullptr; 

                break; 

            } 

        } 

    } 

    return matrix; 

} 

 

template 

T** destroy(T** matrix, const size_t n) { 

    if (matrix != nullptr) { 

        for (size_t i = 0; i < n; ++i) { 

            if (matrix[i] != nullptr) { 

                delete[] matrix[i]; 

                matrix[i] = nullptr; 

            } 

        } 

        delete[] matrix; 

        matrix = nullptr; 

    } 

    return matrix; 

} 

 

template 

T input(const char* msg) { 

    cout > value; 

    cin.ignore(0x1000, '\n'); 

    return value; 

} 

 

template 

void fill(T* box, const size_t n) { 

    if (!box || !n) return; 

    for (size_t i = 0; i < n; ++i) cin >> box[i]; 

} 

 

template 

void fill(T** matrix, const size_t n, const size_t m) { 

    if (!matrix || !n || !m) return; 

    for (size_t i = 0; i < n; ++i) fill(matrix[i], m); 

} 

 

template 

void task(T* box, const size_t n, T x) { 

    for (size_t i = 0; i < n; ++i) box[i] %= x; 

} 

 

template 

void show(T* box, const size_t n) { 

    for (size_t i = 0; i < n; ++i) cout