/*
https://www.hackerrank.com/challenges/30-linked-list/problem
Insert function in Linked list.
*/
Node* insert(Node *head,int data)
{
Node *newNode = new Node(data);
if(head == NULL) {
head = newNode;
return head;
}
Node *cur = head;
while(cur->next != NULL) {
cur=cur->next;
}
cur->next = newNode;
return head;
}
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