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Data Structures & Algorithms In Go

Solution Review: Sum of All Nodes in a Binary Tree

Explore how to calculate the total sum of all nodes in a binary tree through a clear recursive approach. This lesson helps you understand and implement tree traversal to aggregate node values, while considering time complexity for an efficient solution.

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Solution

We’ll calculate the sum of nodes by recursion. First, the sumAllBT() function will return the sum of all the nodes in the left subtree and then the nodes in the right subtree. Finally, we’ll add the value of the current node to this sum and return the ...