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  1. var head;
  2.  
  3. class Node { constructor(val) {
  4. this.data = val; this.next = null;
  5. } }
  6. /* Function to reverse the linked list */
  7. function reverseLinkedList(node) { 
  8.     var prev = null;
  9.     var current = node;
  10.     var next = null;
  11.         while (current != null) {
  12.             next = current.next;
  13.             current.next = prev;
  14.             prev = current;
  15.             current = next;
  16.         }
  17.         node = prev;
  18.         return node;
  19. }
  20.  
  21.  
  22. function printList(node) {
  23.     while (node != null) {
  24.             console.log(node.data + " ");
  25.             node = node.next;
  26.  
  27. } }
  28.  
  29.  
  30.  
  31. // Driver Code
  32. 	const n = parseInt(readline());
  33. 	const inp = parseInt(readline());
  34. 	if(n>0){
  35. head = new Node(inp[0]);
  36. }
  37. else{
  38. console.log("");
  39. }
  40. 	let temp=head;
  41. 	for(let i=1;i<n;i++){
  42. temp.next=new Node(inp[i]);
  43. temp=temp.next;
  44.  
  45. }	
  46.  
  47.  printList(head);
  48. head = reverseLinkedList(head);
  49.  
  50.   printList(head);
Success #stdin #stdout 0.04s 16432KB
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undefined 
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https://ideone.com/kvrMWY
language:
JavaScript (SMonkey 60.2.3)
created:
1 year ago
visibility:
public

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