dynamicheskiy_massiv.cpp

dynmasiv.cpp

#include <iostream>
#include <string>
#include <unistd.h>
#include <cstdio>

using namespace std; 

int** create2DArray(unsigned height, unsigned width)
{
     int** array2D = 0;
     array2D = new int*[height];

     for (int h = 0; h < height; h++)
     {
          array2D[h] = new int[width];

          for (int w = 0; w < width; w++)
          {
               // fill in some initial values
               // (filling in zeros would be more logic, but this is just for the example)
               array2D[h][w] = w + width * h;
          }
     }

     return array2D;
}

void arrayPrinter(int **my2DArray, int n, int k) {
    // print contents of the array2D
    printf("Array contents: \n");

    for (int h = 0; h < n; h++)
    {
         for (int w = 0; w < k; w++)
         {
              printf("%i \t", my2DArray[h][w]);
         }
         printf("\n");
    }
}

int main ()
{
    int n, k;
    
    cout << "N="; //ввод количества строк 
    cin >> n; 
    cout << "M="; //ввод количества столбцов 
    cin >> k; 
    
    int** a = new int*[n];
    for(int i = 0; i < n; ++i)
        a[i] = new int[k];
    
    for (int h = 0; h < n; h++)
     {
          a[h] = new int[k];

          for (int w = 0; w < k; w++)
          {
               a[h][w] = w + k * h;
          }
     }
    
     for (int h = 0; h < n; h++)
    {
         for (int w = 0; w < k; w++)
         {
              printf("%i \t", a[h][w]);
         }
         printf("\n");
    }

//     printf("Creating a 2D array2D\n");
//     printf("\n");

//     int** my2DArray = create2DArray(n, k);
//     arrayPrinter(my2DArray, n, k);

    
    return 0;
}

metody.cpp

#include <iostream>
#include <string>
#include <unistd.h>
#include <cstdio>

using namespace std; 

int** create2DArray(unsigned height, unsigned width)
{
     int** array2D = 0;
     array2D = new int*[height];

     for (int h = 0; h < height; h++)
     {
          array2D[h] = new int[width];

          for (int w = 0; w < width; w++)
          {
               // fill in some initial values
               // (filling in zeros would be more logic, but this is just for the example)
               array2D[h][w] = w + width * h;
          }
     }

     return array2D;
}

void arrayPrinter(int **my2DArray, int n, int k) {
    // print contents of the array2D
    printf("Array contents: \n");

    for (int h = 0; h < n; h++)
    {
         for (int w = 0; w < k; w++)
         {
              printf("%i \t", my2DArray[h][w]);
         }
         printf("\n");
    }
}

int main ()
{
    int n, k;
    
    cout << "N="; //ввод количества строк 
    cin >> n; 
    cout << "M="; //ввод количества столбцов 
    cin >> k; 

    printf("Creating a 2D array2D\n");
    printf("\n");

    int** my2DArray = create2DArray(n, k);
    arrayPrinter(my2DArray, n, k);

    
    return 0;
}