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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. template <class T> 
  5. class Vector {
  6.     public:
  7.         unsigned int rows;
  8.         unsigned int cols;
  9.         T** elements;
  10.         Vector(unsigned int, unsigned int);
  11.         ~Vector();
  12. };
  13.  
  14. template <class T>
  15. Vector<T>::Vector(unsigned int rows, unsigned int cols) {
  16.     this->rows = rows;
  17.     this->cols = cols;
  18.  
  19.     this->elements = new T*[this->rows];
  20.     for (int i = 0; i < this->rows; i++) {
  21.         this->elements[i] = new T[this->cols];
  22.     }
  23. }
  24.  
  25. template <class T>
  26. Vector<T>::~Vector() {
  27.     for(int i=0; i<this->rows;++i)
  28.         delete[] this->elements[i];
  29.     delete[] this->elements;
  30. };
  31.  
  32.  
  33. int main()
  34. {
  35. 	Vector<int> obj(2,2);
  36.     obj.elements[0][0] = 1;
  37.     obj.elements[0][1] = 2;
  38.     obj.elements[1][0] = 3;
  39.     obj.elements[1][1] = 4;
  40.  
  41.     std::cout << obj.elements[0][0] << " " << obj.elements[0][1] << std::endl;
  42.     std::cout << obj.elements[1][0] << " " << obj.elements[1][1] << std::endl;
  43.  
  44. 	return 0;
  45. }
  46.  
Success #stdin #stdout 0s 3428KB
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https://ideone.com/8VzDDp
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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