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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.     void reverse()
  19.     {
  20.         Node* current = head;
  21.         Node *prev = NULL, *next = NULL;
  22.  
  23.         while (current != NULL) {
  24.              next = current->next;
  25.             current->next = prev;
  26.             prev = current;
  27.             current = next;
  28.         }
  29.         head = prev;
  30.     }
  31.  
  32.     void print()
  33.     {
  34.         struct Node* temp = head;
  35.         while (temp != NULL) {
  36.             cout << temp->data << " ";
  37.             temp = temp->next;
  38.         }
  39.     }
  40.  
  41.     void push(int data)
  42.     {
  43.         Node* temp = new Node(data);
  44.         temp->next = head;
  45.         head = temp;
  46.     }
  47. };
  48.  
  49. int main()
  50. {
  51.     LinkedList ll;
  52.     ll.push(10);
  53.     ll.push(20);
  54.     ll.push(30);
  55.     ll.push(40);
  56.     ll.push(50);
  57.  
  58.     cout << "Given linked list\n";
  59.     ll.print();
  60.  
  61.     ll.reverse();
  62.  
  63.     cout << "\nReversed linked list \n";
  64.     ll.print();
  65.     return 0;
  66. }
  67.  
Success #stdin #stdout 0s 5292KB
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/Agpi1o
language:
C++ (gcc 8.3)
created:
19 days ago
visibility:
public

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