feat: Add Morris In-Order Traversal to BinaryTreeTraversal #627
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- Implemented `morris_in_order_traversal` method in the C++ backend. - Exposed the method to Python via `PyMethodDef`. - Added unit tests for Morris Traversal in the test suite. - Verified compatibility with both Python and C++ backends.
czgdp1807
requested changes
Mar 11, 2025
| predecessor_node->right = node; | ||
| current = PyLong_AsLong(current_node->left); | ||
| } else { | ||
| // Revert the changes made to the tree |
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Add a test to make sure that the tree as it is after performing Morris in order traversal.
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Description
This PR adds the Morris In-Order Traversal algorithm to the
BinaryTreeTraversalclass. Morris Traversal is a space-efficient algorithm for performing in-order traversal of a binary tree without using recursion or a stack. It achieves O(1) space complexity by temporarily modifying the tree structure using threaded binary trees.Changes
C++ Backend:
morris_in_order_traversalmethod in the C++ backend.PyMethodDef.Python Binding:
morris_in_order_traversalmethod.Unit Tests: