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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Node {
  5. 	int data;
  6. 	Node* pNext;
  7. };
  8.  
  9. struct MyStack {
  10.     Node* pHead = nullptr;
  11.  
  12.     void push(Node* pNew);
  13.     Node* pop();
  14. };
  15.  
  16. int main() {
  17.  
  18. 	// Declaration
  19. 	MyStack mStack;
  20.  
  21. 	// Push operation
  22. 	{
  23. 		Node* mData = new Node;
  24. 		mData->data = 100000;
  25. 		mData->pNext = nullptr;
  26. 		mStack.push(mData);
  27. 	}
  28.  
  29. 	// Pop operation
  30. 	{
  31. 		Node* mData = mStack.pop();
  32. 		cout<<mData->data;
  33. 	}
  34.  
  35. 	return 0;
  36. }
  37.  
  38. void MyStack::push(Node* pNew) {
  39.     pNew->pNext = pHead;
  40.     pHead = pNew;
  41. }
  42.  
  43. Node* MyStack::pop() {
  44.     if(!pHead) return pHead;
  45.     Node* tmp = pHead;
  46.     pHead = pHead->pNext;
  47.     return tmp;
  48. }
Success #stdin #stdout 0s 5512KB
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stdin
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Standard input is empty
stdout
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100000
https://ideone.com/PwPmtQ
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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