C++ Examples

C++ Program to create Reverse order Singly linked list

The Program in C++ Program to create a Singly linked list & display in reverse order is given below:

#include <iostream>
using namespace std;

struct Node {
  int data;
  Node* next;
};

Node* head = NULL; // global variable, points to the head of the linked list

void insert(int x) {
  Node* temp = new Node();
  temp->data = x;
  temp->next = head;
  head = temp;
}

void reverse_display(Node* p) {
  if (p == NULL) return;
  reverse_display(p->next);
  cout << p->data << " ";
}

int main() {
  int n, x;
  cout << "Hello Codeauri Family,enter the number of elements here to find out the linked list in reverse order: ";
  cin >> n;
  for (int i = 0; i < n; i++) {
    cout << "Well, enter an element here " << i + 1 << ": ";
    cin >> x;
    insert(x);
  }
  cout << "Okay,the linked list in reverse order is: ";
  reverse_display(head);
  cout << endl;
  return 0;
}

Output:

Hello Codeauri Family,enter the number of elements here to find out the linked list in reverse order: 3
Well, enter an element here 1: 456
Well, enter an element here 2: 789
Well, enter an element here 3: 124
Okay,the linked list in reverse order is: 456 789 124

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