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  1. #include <iostream>
  2. using namespace std;
  3.  
  4.  
  5. struct Node {
  6.     int data;           
  7.     Node* next;         
  8.  
  9.  
  10.     Node(int value) {
  11.         data = value;
  12.         next = nullptr;
  13.     }
  14. };
  15.  
  16.  
  17. Node* createLinkedListFromArray(int arr[], int size) {
  18.     if (size == 0) return nullptr;
  19.  
  20.  
  21.     Node* head = new Node(arr[0]);
  22.     Node* current = head;
  23.  
  24.  
  25.     for (int i = 1; i < size; i++) {
  26.         current->next = new Node(arr[i]);
  27.         current = current->next;
  28.     }
  29.  
  30.     return head;
  31. }
  32.  
  33.  
  34. void printLinkedList(Node* head) {
  35.     Node* current = head;
  36.     while (current != nullptr) {
  37.         cout << current->data << " -> ";
  38.         current = current->next;
  39.     }
  40.     cout << "nullptr" << endl;
  41. }
  42.  
  43.  
  44. int main() {
  45.     int arr[] = {10, 20, 30, 40, 50};
  46.     int size = sizeof(arr) / sizeof(arr[0]);
  47.  
  48.  
  49.     Node* head = createLinkedListFromArray(arr, size);
  50.  
  51.  
  52.     printLinkedList(head);
  53.  
  54.     return 0;
  55. }
  56.  
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
Standard input is empty
stdout 
10 -> 20 -> 30 -> 40 -> 50 -> nullptr
https://ideone.com/NoXRgE
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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