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  1. #include <iostream>
  2.  
  3. template <typename T>
  4. class MyVector
  5. {
  6. private:
  7.     unsigned vtr_size;
  8.     unsigned capacity;
  9.     T* elements;
  10.  
  11. public:
  12.     MyVector(unsigned size, T default_value = T()) 
  13.     	: vtr_size(size), capacity(size), elements(new T[size]) 
  14.     {
  15.         for (unsigned i = 0; i < vtr_size; ++i)
  16.             elements[i] = default_value;
  17.     }
  18.  
  19.     T at(unsigned index) const 
  20.     {
  21.         if ( index < vtr_size) 
  22.             return elements[index]; 
  23.  
  24.         return T();
  25.     }
  26.  
  27.     unsigned size() const { return vtr_size; }
  28. };
  29.  
  30. template <typename container>
  31. void print(const container& c)
  32. {
  33.     for (unsigned i = 0; i < c.size(); ++i)
  34.         std::cout << c.at(i) << ' ';
  35.     std::cout << '\n';
  36. }
  37.  
  38. int main()
  39. {
  40.     MyVector<int> V1(5);
  41.     MyVector<int> V2(5, 4);
  42.  
  43.     print(V1);
  44.     std::cout << '\n';
  45.  
  46.     print(V2);
  47.     std::cout << '\n';
  48. }
  49.  
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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0 0 0 0 0 

4 4 4 4 4
https://ideone.com/Lzk1KS
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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