Dinamic matrix with memory allocation.

dinamic_matrix.c

#include <stdlib.h>
#include <stdio.h>
#include <time.h>

int main() {
    // Declare constant sizes
    const int rows = 8;
    const int cols = 6;

    // Seed for random numbers generation
    srand(time(NULL));
    // Pointer for the matrix
    int** ptr = (int**) malloc(sizeof(int*) * rows);
    for (int i = 0; i < rows; i++) {
        // Initialise pointer for every row
        ptr[i] = (int*) malloc(sizeof(int) * cols);
        for (int j = 0; j < cols; j++) {
            ptr[i][j] = rand() % 10;
        }
    }

    // Printing all the matrix
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols; j++) {
            printf("%d ", ptr[i][j]);
        }
        printf("\n");
    }
    return 0;
}