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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #define MAX 100
  5.  
  6. template <typename T>
  7.  
  8. class Stack {
  9. private:
  10. 	int top;
  11. 	T arr[MAX];
  12.  
  13. public:
  14. 	Stack() {
  15. 		top = -1; 
  16. 	}
  17. 	void push(T element) 
  18. 	{
  19. 		if (top == MAX - 1)
  20. 		{
  21. 			cout << "Stack Overflow" << endl;
  22. 		}
  23. 		else
  24. 		{
  25. 			top++;
  26. 			arr[top] = element;
  27. 		}
  28. 	}
  29.  
  30. 	T pop() 
  31. 	{
  32. 		if (top == -1)
  33. 		{
  34. 			cout << "Stack Empty";
  35. 			return -1;
  36. 		}
  37. 		else
  38. 		{
  39. 			return arr[top--];
  40. 		}
  41. 	}
  42.  
  43. 	bool isStackEmpty()
  44. 	{
  45. 		return (top == -1);
  46. 	}
  47.  
  48. 	bool isStackFull()
  49. 	{
  50. 		return (top == MAX - 1);
  51. 	}
  52.  
  53. 	void peek()
  54. 	{
  55. 		if (top == -1)
  56. 		{
  57. 			cout << "Stack Empty";
  58. 		}
  59. 		else
  60. 		{
  61. 			cout << "Top element: " << arr[top] << endl;
  62. 		}
  63. 	}
  64.  
  65. 	T displayStack()
  66. 	{
  67. 		if (top == -1)
  68. 		{
  69. 			cout << "Stack Empty";
  70. 		}
  71. 		else
  72. 		{
  73. 			cout << "Stack elements: ";
  74. 			for (T i = top; i >= 0; i--)
  75. 			{
  76. 				cout << arr[i] << " ";
  77. 			}
  78. 			cout << endl;
  79. 		}
  80. 	}
  81.  
  82. 	void clearStack()
  83. 	{
  84. 		top = -1;
  85. 		cout << "Stack cleared" << endl;
  86. 	}
  87.  
  88. };
  89.  
  90. int main()
  91. {
  92. 	Stack<char> s;
  93. 	char y;
  94.  
  95. 	s.push('A');
  96. 	s.push('B');
  97. 	s.push('C');
  98. 	y = s.pop();
  99. 	cout << "Popped element: " << y << endl;
  100. 	s.peek();
  101.     return 0;
  102. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
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Standard input is empty
stdout
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Popped element: C
Top element: B
https://ideone.com/i47na9
language:
C++ (gcc 8.3)
created:
15 hours ago
visibility:
public

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