#include <iostream>
#include <iomanip>
#include <cstdlib>

int **create_array(unsigned n, unsigned m) {
    int **arr = (int **) calloc(n, sizeof(void *));
    arr[0] = (int *) calloc(n * m, sizeof(int));
    for (unsigned int i = 1; i != n; ++i) {
        arr[i] = arr[i - 1] + m;
    }
    return arr;
}

void deleteArray(int **arr) {
    free(arr[0]);
    free(arr);
}

void printArray(int **arr, unsigned n, unsigned m) {
    for (unsigned i = 0; i < n; i++) {
        printf("[%d] : ", i);
        for (unsigned j = 0; j < m; j++) {
            printf("%d ", arr[i][j]);
        }
        std::cout << "\n";
    }
}