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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. class Node{
  4. 	public:
  5. 	string data;
  6. 	Node* next;
  7. 	Node(const string& data){
  8. 		this->data=data;
  9. 		this->next=nullptr;
  10. 	}
  11. };
  12. class CLL{
  13. 	public:
  14. 	Node* head;
  15. 	Node* tail;
  16. 	CLL(){
  17. 		this->head=nullptr;
  18. 		this->tail=nullptr;
  19. 	}
  20. 	void insert(const string& s){
  21.  
  22. 		Node* new_node=new Node(s);
  23. 		if(!head){
  24. 			head=new_node;
  25. 			tail=new_node;
  26. 			new_node->next=new_node;
  27. 		}else{
  28. 		tail->next=new_node;
  29. 		new_node->next=head;
  30. 		tail=new_node;
  31.  
  32. 		}
  33. 	}
  34.  
  35. 	bool display(){
  36. 		if(!head){return false;}
  37. 			cout<<"nayaya"<<endl;
  38. 		Node* temp;
  39. 		temp=head;
  40. 		do{
  41. 			cout<<temp->data;
  42. 			temp=temp->next;   //this points to next pointer
  43. 		}while(temp->next!=head);
  44. 		return true;
  45. 	}
  46.  
  47. };
  48. int main() {
  49. CLL ok;
  50. string s;
  51. while(getline(cin,s)){
  52. 	transform(s.begin(),s.end(),s.begin(),::tolower);
  53. 	if(s=="exit") break;
  54. 	ok.insert(s);
  55. }
  56. ok.display();
  57. 	return 0;
  58. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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asha
prem
wow
noono
exit
stdout
copy 
nayaya
ashapremwow
https://ideone.com/9Fusxs
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language:
C++14 (gcc 8.3)
created:
11 hours ago
visibility:
public

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