Flip Equivalent Binary Trees Concepts

The video tutorial explains the concept of flip equivalent binary trees, where a flip operation involves swapping the left and right child subtrees of any node. The problem is to determine if two given binary trees are flip equivalent. The tutorial provides a detailed explanation of the problem statement, examples, and a step-by-step approach to solve the problem using a recursive method. The solution involves checking the root nodes and their children for equivalence or mirror equivalence, and implementing a recursive function to verify the flip equivalence of the entire tree structure.

What is the problem number associated with the flip equivalent binary trees problem?

• 123

• 789

• 951

• 456

What operation is defined for a binary tree to determine flip equivalence?

• Rotating the tree

• Swapping left and right child subtrees

• Inverting the tree

• Balancing the tree

In the context of flip equivalent binary trees, what does it mean if two trees are flip equivalent?

• They can be made identical by swapping left and right children

• They have the same height

• They have the same number of nodes

• They are identical without any flips

Which traversal approach is suggested for solving the flip equivalent binary trees problem?

• Level-order

• In-order

• Top to down

• Bottom to top

What is the first step in checking if two binary trees are flip equivalent?

• Check if the roots are equal

• Check if the trees are mirror images

• Check if the trees have the same number of nodes

• Check if the trees are balanced

What condition is checked after confirming the roots of two trees are equal?

• If the left and right nodes are equal

• If the trees are balanced

• If the trees have the same height

• If the trees are mirror images

What is the base case for the recursive solution to check flip equivalence?

• Both nodes have the same value

• One node is null

• Both nodes have different values

• Both nodes are null

What should be returned if one of the nodes is null in the recursive solution?

• False

• True

• Continue recursion

• Check the next node

What logical operation is used to combine the results of checking left and right subtrees in the recursive solution?

• OR

• XOR

• NAND

• AND

What is the final output of the program if the trees are flip equivalent?

• False

• Null

• True

• Undefined