Last Updated
：2025/11/21
null path length
（ plural ）
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(computing) The path length from a given node to its nearest descendant null node in a binary tree.
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null path length
When optimizing memory usage, you should compute the null path length of each node so you can determine how many edges separate it from its nearest null descendant.
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When optimizing memory usage, you should compute the null path length of each node so you can determine how many edges separate it from its nearest null descendant.
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