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Recursion · Intermediate
9 questions · Question 1 of 9
11%
Multiple Choice
Mid
Convert a Binary Tree to a Doubly Linked List
A
Depth First Traversal or Depth First Search is a edge based recursive algorithm for traversing (visiting) all the vertices of a graph or tree data structure using a stack.
B
When you use a function recursively, the compiler takes care of stack management for you, which is what makes recursion possible.
C
This can be achieved by traversing the tree in the in order manner that is, left the child root right node.
D
Start from the bottom up by asking and answering tiny questions: What is the reverse of null (the empty list)?
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