Annotate the unambiguous, primitive/container-returning public methods
flagged by ruff ANN201 across data_structures/ (int/bool/float/list/dict
and one fluent self-return). Reduces ANN201 in this directory from 58 to 36.
Element-typed and sentinel-union returns (e.g. node .data getters,
dict|False in the Sudoku solver) are intentionally left for follow-up,
since they warrant generics/TypeVar or a type checker rather than a guess.
Refs #15296
* fix: correct treap split() to match docstring for equal values (#7854)
The split() function in treap.py uses `<` comparison but the docstring states that the right subtree should contain values "greater or equal" to the split value. This fix changes `elif value < root.value:` to `elif value <= root.value:` so that equal values go to the right subtree as documented.
Fixes#7854
* Fix typo in Treap node docstringfix: remove accidental typo in Node class docstring
* Fix erase logic in treap.py
Adjust split logic to include the value in the right subtree.
---------
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* Add splay tree (self-adjusting BST)
Implements a splay tree with insert, search and delete, each of which
splays the accessed node to the root for amortized O(log n) access and
locality of reference. Includes full type hints and doctests.
Closes#13760
* Make Node a dataclass and add repr doctest (review feedback)
* Fix ty invalid assignment diagnostics
* updating DIRECTORY.md
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* Fix unused typing import
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* Fix automatic differentiation gradient dtype handling
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* Algorithm to get maximum path sum of a binary tree.
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* Preformatted using black
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* docs: expand bubble sort docstrings with algorithm explanation
Add a concise description of how bubble sort works (repeated
adjacent comparisons/swaps until a pass makes no swaps) and note
time/space complexity for both the iterative and recursive
implementations. No behavior changes; all existing doctests pass.
* Fix Ruff 0.16 lint failures
* S310
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* Added new algorithm
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* Apply suggestions from code review
* Update maximum_sum_bst.py
* def max_sum_bst(root: TreeNode | None) -> int:
* def solver(node: TreeNode | None) -> tuple[bool, int, int, int]:
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* Enable ruff E741 rule
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* Enable ruff PGH003 rule
* Fix
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* added serialize and desrialize bin tree
* format files
* added type hints
* added type hints
* Use dataclass .__eq__(), .__iter__(), and .__repr__()
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* Add `Invert a Binary Tree` solution
* Add type
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* Fix lint errors
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* Added an algorithm transfrom bst to greater sum tree
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* earliest deadline first scheduling algo added
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* ceil and floor and bst
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* ceil and floor and bst 3
* Update and rename floor_ceil_in_bst.py to floor_and_ceiling.py
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* Added code to find diameter of given binary tree
* Modified diameter_of_binary_tree file
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* Update basic_binary_tree.py
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* symmectric tree
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* infix to prefix missing feature added
* infix to prefix missing feature added
* infix to prefix missing feature added
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* infix to prefix missing feature added (comments)
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* infix to prefix missing feature added (comments)
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* from the beginning
* Created flatten_binarytree_to_linkedlist.py
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* flatten binary tree to linked list - 1
* flatten binary tree to linked list final
* flatten binary tree to linked list final
* review updated
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* Made binary tree memory-friendly using generators based travels. Fixes
#8725
* Made binary tree memory-friendly using generators based travels. Fixes
#8725
* Fixed pre-commit errors
priya-sundaram-dev