Python

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* Update prefix_sum.py

Index Validation for get_sum

Raises ValueError if start or end is out of range or start > end.
Handles cases where the array is empty.
✅ Empty Array Support

If an empty array is passed, get_sum raises an appropriate error instead of failing unexpectedly.
✅ Optimized contains_sum Initialization

Initializes sums with {0} for efficient subarray sum checking.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update prefix_sum.py

* Update prefix_sum.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update prefix_sum.py

* Update prefix_sum.py

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>

2025-03-20 02:33:46 +03:00

arrays

Improve prefix_sum.py (#12560 )

2025-03-20 02:33:46 +03:00

binary_tree

Fix error in avl_tree del_node function (#11510 )

2025-01-24 08:59:36 +03:00

disjoint_set

[pre-commit.ci] pre-commit autoupdate (#11322 )

2024-03-13 07:52:41 +01:00

hashing

[pre-commit.ci] pre-commit autoupdate -- ruff 2025 stable format (#12521 )