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Commits on Jul 31, 2026

• Add Concurrent Merge Sort Implementation (#7544)

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  anshullakra007

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• Add MultinomialNaiveBayesClassifier Implementation (#7532)

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  Rosander0

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  DenizAltunkapan

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Commits on Jul 28, 2026

• Add rotting oranges (#7542)

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  rsemwal1711

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Commits on Jul 26, 2026

• fix: reject negative input in SumOfSquares and add tests (#7543)

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  lieutenant-Rohit

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Commits on Jul 23, 2026

• Fix incorrect absolute minimum calculation (#7536)

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  klerk1t

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Commits on Jul 20, 2026

• Add LibrarySort Implementation (#7481)

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  Rosander0

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Commits on Jul 19, 2026

• Add LinearRegression Implementation (#7520)

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  Rosander0

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Commits on Jul 3, 2026

• fix: Caesar cipher produces non-alphabetic output for negative shifts (#7508)

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  herley-shaori

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• docs: correct stale WiggleSort Javadoc — [1, 2, 2] is already detected, add regression tests (#7509)

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  herley-shaori

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Commits on Jun 26, 2026

• DisariumNumber (#7490)

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  iamcodinghere22

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Commits on Jun 25, 2026

• Add TitleCase Implementation (#7473)

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  Rosander0

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Commits on Jun 24, 2026

• refactor: review and group scattered palindrome implementation (#7487)

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  priyanshuvishwakarma273403

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Commits on Jun 23, 2026

• Add SociableNumber Implementation (#7475)

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  Rosander0

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• refactor: unify Dijkstra on efficient PriorityQueue implementation (#7486)

  priyanshuvishwakarma273403

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Commits on Jun 22, 2026

• fix: validate that all characters after first padding character in Base64 decode (#7491)

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  priyanshuvishwakarma273403

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• Add FriendlyNumber Implementation (#7474)

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  Rosander0

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Commits on Jun 20, 2026

• Add PadovanSequence Implementation (#7477)

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  Rosander0

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• Fix division by zero in interpolation search (#7484)

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  priyanshuvishwakarma273403

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• chore: move HeavyLightDecomposition to datastructures/trees (#7485)

  priyanshuvishwakarma273403

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Commits on Jun 18, 2026

• Add JacobsthalNumber Implementation (#7479)

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  Rosander0

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• Add PerrinNumber Implementation (#7478)

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  Rosander0

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Commits on Jun 15, 2026

• feat: add count distinct elements in window algorithm (#7463)

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  SyedAbd110786

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Commits on Jun 14, 2026

• Add LongestCommonSubstring Implementation (#7464)

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  Rosander0

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Commits on Jun 10, 2026

• test(dp): add tests for LongestPalindromicSubsequence and remove main… (#7462)

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  amangupta982

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  DenizAltunkapan

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Commits on Jun 3, 2026

• feat(matrix): add QR decomposition algorithm using Gram-Schmidt process (#7427)

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  MD-Mushfiqur123

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• test: refactor MergeSortedArrayListTest using JUnit 5 parameterized tests (#7445)

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  sawaleparas

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  parassawale

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Commits on May 25, 2026

• feat(datastructures): add thread-safe bounded queue implementation (#7428)

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  MD-Mushfiqur123

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Commits on May 21, 2026

• feat: add optimized Digit DP template and unit tests (#7430)

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  premmsharma122

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• chore(deps): bump org.junit:junit-bom from 6.0.3 to 6.1.0 (#7431)

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  dependabot[bot]

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  vil02

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Commits on May 18, 2026

• fix: add null input validation to AlternativeStringArrange.arrange() (#7425)

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  Shubh2-0

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Commits on May 15, 2026

• [ENHANCEMENT] Add Wavelet Tree Data Structure (#7414)

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  space0032

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  DenizAltunkapan

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Commits on May 13, 2026

• feat: add Rat in a Maze backtracking algorithm (#7418)

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  the-Sunny-Sharma

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Commits on Apr 15, 2026

• feat(graph): add DSU-based account merge algorithm (#7377)

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  nickzerjeski

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Commits on Apr 14, 2026

• test(searches): cover null input cases in IterativeBinarySearch (#7375)

  nickzerjeski

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Commits on Apr 13, 2026

• feat(geometry): add line segment intersection utility (#7376)

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  nickzerjeski

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