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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. struct Node {
  4.     int data;
  5.     Node* prev;
  6.     Node* next;
  7. };
  8. int main() {
  9.     Node* head = new Node{10, NULL, NULL};
  10.     head->next = new Node{20, head, NULL};
  11.     head->next->next = new Node{30, head->next, NULL};
  12.     Node* temp = head;
  13.     while(temp->next != NULL) {
  14.         temp = temp->next;
  15.     }
  16.     Node* last = new Node{400, temp, NULL};
  17.     temp->next = last;
  18.  
  19.     temp = head;
  20.     while(temp != NULL) {
  21.         cout << temp->data << " ";
  22.         temp = temp->next;
  23.     }
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5272KB
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stdin
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Standard input is empty
stdout
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10 20 30 400
https://ideone.com/YIospG
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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