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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. struct ListNode{
  6. 	int data;
  7. 	struct ListNode* next;
  8. 	ListNode(int val):data(val),next(NULL){}
  9. };
  10.  
  11.  
  12. void convertLLtoArray(ListNode* head, vector<int>&arr){
  13. 	//if there is no element then return
  14. 	if(head==NULL)return;
  15. 	//crawling pointer
  16. 	ListNode* crawl = head;
  17. 	//iterate until list pointer become NULL
  18. 	while(crawl!=NULL){
  19. 		arr.push_back(crawl->data);
  20. 		crawl = crawl->next;
  21. 	}
  22. 	return;
  23. }
  24.  
  25. int main() {
  26. 	ListNode* head;
  27. 	ListNode* node1 = new ListNode(1);
  28. 	ListNode* node2 = new ListNode(2);
  29. 	ListNode* node3 = new ListNode(3);
  30. 	head = node1;
  31. 	node1->next = node2;
  32. 	node2->next = node3;
  33. 	vector<int>arr;
  34. 	convertLLtoArray(head,arr);
  35. 	for(int i=0;i<arr.size();i++){
  36. 		cout<<arr[i]<<" ";
  37. 	}
  38. 	return 0;
  39. }
Success #stdin #stdout 0s 3460KB
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https://ideone.com/qN1HBZ
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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