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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Node
  5. {
  6. private:
  7. 	int value = 0;
  8. 	Node* next = nullptr;
  9.  
  10. public:
  11. 	Node(int v = 0, Node* n = nullptr);
  12. 	int getValue() const;
  13. 	void setValue(int v);
  14. 	Node* getNext() const;
  15. 	void setNext(Node* n);
  16.  
  17.     friend class virticalList;
  18. };
  19.  
  20. Node::Node(int v, Node* n) :
  21.     value(v),
  22. 	next(n)
  23. {
  24. }
  25.  
  26. int Node::getValue() const
  27. {
  28.     return value;
  29. }
  30.  
  31. void Node::setValue(int v)
  32. {
  33.     value = v;
  34. }
  35.  
  36. Node* Node::getNext() const
  37. {
  38.     return next;
  39. }
  40.  
  41. void Node::setNext(Node* n)
  42. {
  43.     next = n;
  44. }
  45.  
  46. class virticalList
  47. {
  48. private:
  49.     Node* head = nullptr;
  50.  
  51. public:
  52.     virticalList();
  53.     virticalList(const virticalList &p2);
  54.     ~virticalList();
  55.  
  56.     virticalList& operator=(const virticalList& p2);
  57.  
  58.     void print() const;
  59.     void virtInc();
  60. };
  61.  
  62. virticalList::virticalList()
  63. {
  64. 	Node** ptr = &head;
  65.     for(int i = 10; i < 20; ++i)
  66.     {
  67.         *ptr = new Node(i);
  68.         ptr = &((*ptr)->next);
  69.     }
  70. }
  71.  
  72. virticalList::virticalList(const virticalList &p2) {
  73. 	Node** curr = &head;
  74. 	Node* temp = p2.head;
  75. 	while (temp) {
  76. 		*curr = new Node(temp->getValue());
  77. 		curr = &((*curr)->next);
  78. 		temp = temp->getNext();
  79. 	}
  80. }
  81.  
  82. virticalList::~virticalList() {
  83.     Node* ptr = head, *next;
  84.     while (ptr) {
  85. 		next = ptr->getNext();
  86.         delete ptr;
  87.         ptr = next;
  88.     }
  89. }
  90.  
  91. virticalList& virticalList::operator=(const virticalList& p2)
  92. {
  93. 	if (this != &p2) {
  94. 		virticalList temp(p2);
  95. 		//std::swap(head, temp.head);
  96. 		Node* ptr = head;
  97. 		head = temp.head;
  98. 		temp.head = ptr;
  99. 	}
  100.     return *this;
  101. }
  102.  
  103. void virticalList::print() const
  104. {
  105. 	Node* ptr = head;
  106. 	while (ptr) {
  107. 		cout << ptr->getValue() << " ";
  108. 		ptr = ptr->getNext();
  109. 	}
  110. 	cout << "\n";
  111. }
  112.  
  113. void virticalList::virtInc()
  114. {
  115.     Node* ptr = head;
  116.     while (ptr) {
  117. 		ptr->setValue(ptr->getValue()+1);
  118. 		ptr = ptr->getNext();
  119.     }
  120. }
  121.  
  122. int main() {
  123. 	virticalList l1, l2;
  124. 	l2.virtInc();
  125.  
  126. 	l1.print();
  127. 	l1 = l2;
  128. 	l1.print();
  129.  
  130. 	return 0;
  131. }
Success #stdin #stdout 0s 4352KB
comments (?)
stdin 
Standard input is empty
stdout 
10 11 12 13 14 15 16 17 18 19 
11 12 13 14 15 16 17 18 19 20
https://ideone.com/MSidjj
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
public

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