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  1. #include <iostream>
  2.  
  3. template <typename T>
  4. class MultiArray
  5. {
  6. public:
  7.     explicit MultiArray(T* arr, int sizex, int sizey) : data(arr), sizey(sizey) {}
  8.  
  9.     const T* operator [] (int x) const { return &data[x * sizey]; }
  10.     T* operator [] (int x) { return &data[x * sizey]; }
  11.  
  12. private:
  13.     T* data;
  14.     int sizey;
  15. };
  16.  
  17. int main()
  18. {
  19.     int arr[12] = {
  20.         1, 2, 3, 4,
  21.         5, 6, 7, 8,
  22.         9, 10, 11, 12,
  23.     };
  24.  
  25.     MultiArray<int> m(arr, 3, 4);
  26.  
  27.     for (int i = 0; i != 3; ++i) {
  28.         for (int j = 0; j != 4; ++j) {
  29.             std::cout << m[i][j] << " ";
  30.         }
  31.         std::cout << std::endl;
  32.     }
  33.  
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
1 2 3 4 
5 6 7 8 
9 10 11 12
https://ideone.com/XjNKUH
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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