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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int DefaultSize = 10;
  5.  
  6. class Animal
  7. {
  8. public:
  9.     Animal(int);
  10.     Animal();
  11.     ~Animal() { }
  12.  
  13.     int GetWeight() const { return itsWeight; }
  14.     void Display() const { cout << itsWeight; }
  15.  
  16. private:
  17.     int itsWeight;
  18.  
  19. };
  20.  
  21. Animal::Animal(int weight): itsWeight(weight)
  22. { }
  23.  
  24. Animal::Animal(): itsWeight(0)
  25. { }
  26.  
  27. template <class T>
  28. class Array
  29. {
  30. public:
  31.     Array(int itsSize = DefaultSize);
  32.     Array( Array &rhs);
  33.     ~Array()
  34.     {
  35.         delete [] pType;
  36.     }
  37.  
  38.     Array& operator= (const Array&);
  39.     T& operator[] (int offset)
  40.     {
  41.         return pType[offset];
  42.     }
  43.  
  44.     int GetSize () const
  45.     {
  46.         return itsSize;
  47.     }
  48. template< class U >
  49. friend ostream& operator<< (ostream&, Array<U>&);
  50.  
  51. private:
  52.     T *pType;
  53.     int itsSize;
  54. };
  55.  
  56.  
  57. template <class T>
  58. ostream& operator<< (ostream& output, Array<T>& theArray)
  59. {
  60.     for (int i = 0; i < theArray.GetSize(); ++i)
  61.         {
  62.             output << "[" << i << "]" << theArray[i] << endl;
  63.         }
  64.     return output;
  65. }
  66.  
  67.  
  68. template <class T>
  69. Array<T>::Array(int size): itsSize(size)
  70. {
  71.     pType = new T[size];
  72.     for (int i = 0; i < size; ++i)
  73.         pType[i] = 0;
  74. }
  75.  
  76. //конструктор копирования
  77. template <class T>
  78. Array<T>::Array(Array &rhs)
  79. {
  80.     itsSize = rhs.GetSize();
  81.     pType = new T[itsSize];
  82.     for (int i = 0; i < itsSize; ++i)
  83.     {
  84.         pType[i] = rhs[i];
  85.     }
  86. }
  87.  
  88. //оператор присваения
  89. template <class T>
  90. Array<T>& Array<T>::operator= (const Array &rhs)
  91. {
  92.     if (this == &rhs)
  93.         return *this;
  94.  
  95.     delete [] pType;
  96.     itsSize = rhs.GetSize();
  97.     pType = new T[itsSize];
  98.  
  99.     for (int i = 0; i < itsSize; ++i)
  100.     {
  101.         pType[i] = rhs[i];
  102.     }
  103.  
  104.     return *this;
  105. }
  106.  
  107. ///////////////////////////////////////////////////////////////////
  108.  
  109. int main()
  110. {
  111.     bool Stop = false;
  112.     int  offset, value;
  113.     Array<int> theArray;
  114.  
  115.     while (!Stop)
  116.     {
  117.         cout << "Enter an offset (0-9) ";
  118.         cout << "and a value. (-1 to stop): ";
  119.         cin >> offset >> value;
  120.  
  121.         if (offset < 0)
  122.             break;
  123.  
  124.         if(offset > 9)
  125.         {
  126.             cout << "***Please use value between 0 and 9*** \n";
  127.             continue;    
  128.         }
  129.  
  130.         theArray[offset] = value;    
  131.     }
  132.     cout << "\n Here's the entire array: \n";
  133.     cout << theArray << endl;
  134.  
  135.  
  136.     return 0;
  137. }
Success #stdin #stdout 0s 3476KB
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stdin
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3 2
-1 0
stdout
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Enter an offset (0-9) and a value. (-1 to stop): Enter an offset (0-9) and a value. (-1 to stop): 
 Here's the entire array: 
[0]0
[1]0
[2]0
[3]2
[4]0
[5]0
[6]0
[7]0
[8]0
[9]0
https://ideone.com/M8ctAj
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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