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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. struct Node {
  5.     int data;
  6.     struct Node* next;
  7.     Node(int data)
  8.     {
  9.         this->data = data;
  10.         next = NULL;
  11.     }
  12. };
  13.  
  14. struct LinkedList {
  15.     Node* head;
  16.     LinkedList() { head = NULL; }
  17.  
  18.     Node* reverse(Node* head)
  19.     {
  20.         if (head == NULL || head->next == NULL)
  21.             return head;
  22.  
  23.         Node* rest = reverse(head->next);
  24.         head->next->next = head;
  25.  
  26.         head->next = NULL;
  27.  
  28.         return rest;
  29.     }
  30.  
  31.     void print()
  32.     {
  33.         struct Node* temp = head;
  34.         while (temp != NULL) {
  35.             cout << temp->data << " ";
  36.             temp = temp->next;
  37.         }
  38.     }
  39.  
  40.     void push(int data)
  41.     {
  42.         Node* temp = new Node(data);
  43.         temp->next = head;
  44.         head = temp;
  45.     }
  46. };
  47.  
  48. int main()
  49. {
  50.     LinkedList ll;
  51.     ll.push(10);
  52.     ll.push(20);
  53.     ll.push(30);
  54.     ll.push(40);
  55.     ll.push(50);
  56.  
  57.     cout << "Given linked list\n";
  58.     ll.print();
  59.  
  60.     ll.head = ll.reverse(ll.head);
  61.  
  62.     cout << "\nReversed linked list \n";
  63.     ll.print();
  64.     return 0;
  65. }
  66.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Given linked list
50 40 30 20 10 
Reversed linked list 
10 20 30 40 50
https://ideone.com/SaRhDS
language:
C++ (gcc 8.3)
created:
19 days ago
visibility:
public

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