Delete Zero Sum Sub-Trees
Explore how to delete zero sum subtrees from a binary tree by performing post-order traversal. This lesson guides you through recursively identifying and removing subtrees whose node values add up to zero, improving your understanding of tree manipulation techniques.
We'll cover the following...
We'll cover the following...
Statement
Given the root of a binary tree, delete any sub-trees whose nodes sum up to zero.
Example
In the binary tree below, we need to delete the sub-tree starting at node as its sum ( − ...