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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct List
  5. {
  6. 	int Data;
  7. 	List *Next;
  8. };
  9.  
  10. void ShowList(List *current)
  11. {
  12. 	while(current!=NULL)
  13. 	{	
  14. 		cout<<current->Data<<"  ";
  15. 		if(current->Next)
  16. 			cout<<current->Next->Data<<endl;
  17. 		else
  18. 			cout<<"NULL"<<endl;
  19.  
  20. 		current=current->Next;
  21. 	}
  22. }
  23.  
  24. bool NewList(List *head)
  25. {
  26. 	if(head==NULL)
  27. 	{
  28. 		List *NewNode = new List();
  29.  
  30. 		NewNode->Data = 100;
  31. 		NewNode->Next = NULL;
  32.  
  33. 		head = NewNode;
  34.  
  35. 		ShowList(head);
  36. 		return false;
  37. 	}	
  38. }
  39.  
  40. int main() {
  41. 	List *OneNode=NULL;
  42.     NewList(OneNode);
  43.  
  44.     cout<<"after: "<<endl;
  45.     ShowList(OneNode);
  46.  
  47.     cout<<endl<<"end."<<endl;
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
100  NULL
after: 

end.
https://ideone.com/YgH27x
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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