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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class List {
  5. private:
  6. 	struct Node {
  7.     	int data; // simplification
  8.         Node *next;
  9.  
  10.         Node(int d) {
  11.         	data = d;
  12.         	next = NULL;
  13.         }
  14.     };
  15.  
  16. protected:
  17.     Node *head;
  18.     Node *tail;
  19.  
  20.   public:  
  21.   	List(int d) : head(new Node(d)), tail(head) {}
  22.  
  23.   	void append(int d) {
  24.   		Node* n = new Node(d);
  25.   		tail->next = n;
  26.   		tail = n;
  27.   	}
  28.  
  29.  	List(const List& rhs) {
  30.  		if (head) delete head;
  31.  
  32.   		head=new Node(rhs.head->data);
  33.  
  34.   		Node* lhsCurrent = head;
  35.   		Node* rhsCurrent = rhs.head->next;
  36.   		do {
  37.   			lhsCurrent->next = new Node(rhsCurrent->data);	
  38.  
  39.   			rhsCurrent = rhsCurrent->next;
  40. 			lhsCurrent = lhsCurrent->next;  				
  41.   		} while (rhsCurrent!=NULL);
  42.  
  43.   		tail = lhsCurrent;
  44. 	}
  45.  }; 
  46.  
  47. int main() {
  48. 	List first(5);
  49. 	first.append(6);
  50.  
  51. 	List second(first);
  52. 	return 0;
  53. }
Runtime error #stdin #stdout 0s 15224KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/DdC7bN
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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