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Commits on May 25, 2026

• Merge pull request #2759 from vdl299/fix_switch_pairs_loop_bound

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Commits on May 24, 2026

• fix: tighten loop bound in first_switch_pairs

  

  Mohamed Vadhel Ebnou Oumar

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  Mohamed Vadhel Ebnou Oumar

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Commits on May 18, 2026

• Merge pull request #2754 from rrbharath/feat/geometric-mean

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• Merge pull request #2751 from rrbharath/feat/chebyshev-distance-algorithm

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• Merge pull request #2756 from keon/fix/rename-map-lcs-to-substring

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• Rename algorithms/map/longest_common_subsequence.py to longest_common_substring.py

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• Merge pull request #2749 from faizzyhon/fix/is-palindrome-strips-digits

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• Merge pull request #2750 from faizzyhon/fix/roman-to-int-empty-string

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• Merge pull request #2755 from vdl299/fix_is_sorted_stack_restore

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• Fix float-precision test failures in TestGeometricMean

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• Export chebyshev_distance from algorithms.math and polish module

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Commits on May 17, 2026

• Fix is_sorted stack to preserve elements during restoration

  

  Mohamed Vadhel Ebnou Oumar

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  Mohamed Vadhel Ebnou Oumar

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Commits on May 13, 2026

• feat(math): add geometric mean

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Commits on May 8, 2026

• feat(math): add chebyshev distance

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Commits on May 6, 2026

• fix: roman_to_int raises IndexError on empty string

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• fix: _remove_punctuation strips digits causing false palindrome results

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Commits on Mar 13, 2026

• Merge pull request #2739 from keon/fix/security-crypto-eval

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• Merge pull request #2740 from keon/fix/bfs-deque-bellman-heap

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• Merge pull request #2741 from keon/fix/structural-cleanup

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• Merge pull request #2742 from keon/fix/treenode-dedup-falsy-zero

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• Merge pull request #2743 from keon/fix/add-ds-tests-readme

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• Fix AVL in_order_traverse crash and remove duplicate tests

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• Fix max_height.py deque-to-list type mismatch crash

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• Fix iterative extended GCD and correct pypi-publish SHA

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Commits on Mar 12, 2026

• Fix ruff I001: sort imports in test_data_structures.py

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• Fix ruff I001: sort imports in construct_tree_postorder_preorder.py

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• Fix ruff lint: Optional → X | None, sort imports, wrap long docstring

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• Fix ruff E501: shorten long deque initialization line in path_sum2.py

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• Fix ruff E501: wrap long docstring line in rsa.py

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• Add data structure tests, fix README coin_change example

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• Fix falsy-zero bug in BST validation, deduplicate TreeNode definitions

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• Structural cleanup: remove empty dirs, rewrite bst.py, fix test bug

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• Fix BFS O(n²) regression, bellman_ford sink nodes, heap invariant bugs

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• Fix security issues: remove eval(), use secrets for crypto, pin CI actions

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Commits on Feb 23, 2026

• Merge pull request #2722 from mitchricker/veb_tree

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  keon

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