해커랭크(HackerRank) - Insert a Node at the Tail of a Linked List / C++

문제 : 해커랭크  -

Insert a Node at the Tail of a Linked List

난이도: Easy

언어 : C++

 

SinglyLinkedListNode* insertNodeAtTail(SinglyLinkedListNode* head, int data) {
  
   if(head == nullptr )
   {
       head = new SinglyLinkedListNode(data);
   }
   else
   { 
       SinglyLinkedListNode* node = head;
        while(node->next!=  nullptr )
        {
            node= node->next;
        }
        node->next = new SinglyLinkedListNode(data);
   }

    return head;
}