LinkedList.cpp

class Node {
    public:
        int data;
        Node *next;
        Node(int d){
            data=d;
            next=NULL;
        }
};

class LinkedList {
    public:
    	Node* insert(Node *head,int data) {
	        Node* curr = head;
	        Node* newNode = new Node(data);
	        
	        while(curr && curr->next!=NULL) curr=curr->next;
	        
	        (curr==NULL)? head=newNode:curr->next= newNode;
	        return head;
      	}
        
	    void display(Node *head) {
        	Node *start=head;
	        while (start) {
	          cout<<start->data<<" ";
	          start=start->next;
	        }
      	}
};