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  1. #include <iostream>
  2. #ifndef STACK_H_
  3. 	#define STACK_H_
  4.  
  5. 	#include <cstdlib>
  6. 	#include <iostream>
  7. 	#include <cassert>
  8.  
  9. 	using namespace std;
  10.  
  11. 	template <class t>
  12. 	struct node{
  13. 		t data;
  14. 		node<t>* next;
  15. 	};
  16.  
  17. 	template <class t>
  18. 	class stack
  19. 	{
  20. 	public:
  21. 		stack();
  22. 		~stack();
  23. 		bool isEmpty(){ return (top_ptr=NULL);};
  24. 		void push(const t&);
  25. 		void pop();
  26. 		t top() const;
  27. 		void reverse();
  28. 		void clear();
  29. 		void print();
  30. 	private:
  31. 		node<t>* top_ptr;
  32. 	};
  33.  
  34. 	template <class t>
  35. 	stack<t>::stack()
  36. 	{
  37. 		top_ptr=NULL;
  38. 	}
  39.  
  40. 	template <class t>
  41. 	stack<t>::~stack()
  42. 	{
  43. 		while(top_ptr != NULL) pop();
  44. 	}
  45.  
  46. 	template <class t>
  47. 	void stack<t>::push(const t& source)
  48. 	{
  49. 		node<t>* new_node = new node<t>;
  50. 		new_node->data = source;
  51. 		new_node->next = top_ptr;
  52. 		top_ptr = new_node;
  53. 		cout << "Inserito!" << endl;
  54. 	}
  55.  
  56. 	template <class t>
  57. 	void stack<t>::pop()
  58. 	{
  59. 		node<t>* remove = top_ptr;
  60. 		top_ptr = top_ptr->next;
  61. 		delete remove;
  62. 		cout << "Rimosso!" << endl;
  63. 	}
  64.  
  65. 	template <class t>
  66. 	t stack<t>::top() const
  67. 	{
  68. 		assert(top_ptr != NULL);
  69. 		return top_ptr->data;
  70. 	}
  71.  
  72. 	template <class t>
  73. 	void stack<t>::clear()
  74. 	{
  75. 		node<t>* temp;
  76. 		while(top_ptr != NULL)
  77. 		{
  78. 			temp = top_ptr;
  79. 			top_ptr = top_ptr->next;
  80. 			delete temp;
  81. 		}
  82. 		cout << "Clear completato!" << endl;
  83. 	}
  84.  
  85. 	template <class t>
  86. 	void stack<t>::reverse()
  87. 	{
  88. 		stack<t> new_stack;
  89. 		while(top_ptr != NULL)
  90. 		{
  91. 			new_stack.push(top_ptr->data);
  92. 			pop();
  93. 		}
  94. 		cout << "Reverse completato!" << endl;
  95. 	}
  96.  
  97. 	template <class t>
  98. 	void stack<t>::print()
  99. 	{
  100. 		node<t>* ptr = top_ptr;
  101. 		while(ptr!=NULL)
  102. 		{
  103. 			cout << " " << ptr->data << endl;
  104. 			ptr = ptr->next;
  105. 		}
  106. 	}
  107.  
  108. 	#endif
  109.  
  110. int main() {
  111. 	stack<int> stackino;
  112. 		for(int i = 0; i<10; i++) stackino.push(i);
  113. 		stackino.pop();
  114. 		cout << "top(): " << stackino.top() << endl;
  115. 		stackino.print();
  116. 		cout << "Invoco clear()" << endl;
  117. 		stackino.clear();
  118. 		cout << "Stackino dopo clear():" << endl;
  119. 		stackino.print();
  120. 		cout << "Invoco reverse()" << endl;
  121. 		stackino.reverse();
  122. 		cout << "Stackino dopo reverse()" << endl;
  123. 		stackino.print();
  124.  
  125. 		cout << "FINE!" << endl;
  126. 	return 0;
  127. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
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Standard input is empty
stdout
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Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Inserito!
Rimosso!
top(): 8
 8
 7
 6
 5
 4
 3
 2
 1
 0
Invoco clear()
Clear completato!
Stackino dopo clear():
Invoco reverse()
Reverse completato!
Stackino dopo reverse()
FINE!
https://ideone.com/iA02LO
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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