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struggled with this question. missed having to find all sub paths of current no...
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Jan 13, 2022
struggled with this question. missed having to find all sub paths of current node and using reverse iterator to do this. Why doesn't a regular iterator work?
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Design Gurus4 years ago
Because we should find all the NEW paths as we added a new element; this can only be done if we include the last element added to every possible path.
If we use a forward iterator (which will start from the root), we will have duplicate paths as there can be intermedia...
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