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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int n = 10, m = 5;
  8.     int *arrA = new int[n] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
  9.     int *arrB = new int[m] {-1, -2, -3, -4, -5};
  10.     for (int i = 0; i < n; i++)
  11.         cout << arrA[i] << " ";
  12.     cout << endl;
  13.     for (int i = 0; i < m; i++)
  14.         cout << arrB[i] << " ";
  15.     cout << endl;
  16.  
  17.     int** array_2d = new int*[2];
  18.     swap(array_2d[0], arrA);
  19.     swap(array_2d[1], arrB);
  20.  
  21.     for (int i = 0; i < n; ++i)
  22.        cout << array_2d[0][i] << " ";
  23.  
  24.     cout << "\n";
  25.     for (int i = 0; i < m; ++i)
  26.        cout << array_2d[1][i] << " ";
  27.  
  28.     for (int i = 0; i < 2; ++i) {
  29.     	delete[] array_2d[i];
  30.     }
  31.     delete[] array_2d;
  32. }
Success #stdin #stdout 0s 4260KB
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stdin
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Standard input is empty
stdout
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1 2 3 4 5 6 7 8 9 0 
-1 -2 -3 -4 -5 
1 2 3 4 5 6 7 8 9 0 
-1 -2 -3 -4 -5
https://ideone.com/Honadg
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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