InterviewBit Problems   Cousins in Binary Tree : Solved

About the Cousins in Binary Tree : Solved category (1)
Single deque is sufficient by maintaining parent and child variables (1)
SImple C++, 1 time Level order Traversal (1)
Solution in C++ ( 1st find level, 2nd get all nodes from their level, 3rd in final vector dont consider the input node and sibling ) (1)
Iterative level order traversing using 2 queues (1)
Java Easy Solution Using Recursive Level Order Traversal (1)