Being an interviewer - work with a peer on May 19, 2018

copy singly linked list random pointer

1->2->3->4   singly linked list 
every node has a random pointer -> 
1->3   // random pointer -> copy it 
2->1
3->null
4->null

1->2->3->4 
1->3

1->2->3->4 
1
public static Node copySinglyLinedListRandomPoint(Node root, Node copy)
{
// traverse trhough the root and find the random pointers of every node
// for every node i need to find that random pointer node in the copy list

 Node r = root.random;
 while( root!=null){
   
 }
}