Написать код. Использовать функции

 #include  

#include  

#include  

 

using namespace std; 

 

size_t input(const char* msg) { 

    size_t value = 0; 

    while (!value) { 

        cout > value; 

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

    } 

    return value; 

} 

 

int** create(const size_t n, const size_t m, int a, int b) { 

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

    if (matrix == nullptr) return nullptr; 

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

        matrix[i] = new(nothrow) int[m]; 

        if (matrix[i] == nullptr) { 

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

            delete[] matrix; 

            matrix = nullptr; 

            break; 

        } 

    } 

    if (matrix == nullptr) return nullptr; 

    if (a > b) swap(a, b); 

    uniform_int_distribution uid(a, b); 

    mt19937 gen{ random_device()() }; 

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

        for (size_t j = 0; j < m; ++j) { 

            matrix[i][j] = uid(gen); 

        } 

    } 

    return matrix; 

} 

 

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

    if (matrix != nullptr) { 

        for (size_t i = 0; i < n; ++i) delete[] matrix[i]; 

        delete[] matrix; 

        matrix = nullptr; 

    } 

    return matrix; 

} 

 

void show(int** matrix, const size_t n, const size_t m, const streamsize w) { 

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

        for (size_t j = 0; j < m; ++j) cout