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1. Commits on Mar 24, 2026

   • feat: add StockSpanProblem algorithm (#7312)

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     oleksii-tumanov

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     76c45c1View commit details

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2. Commits on Nov 27, 2025

   • feat: add Valid Parentheses algorithm using Stack (#7117)

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     Gokul45-45

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     d1ea306View commit details

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3. Commits on Nov 5, 2025

   • Add Trapping Rainwater problem implementation (Two Pointer Approach) (#6990)

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     Arzoo1701

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     DenizAltunkapan

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4. Commits on Jul 23, 2025

   • testing: improve `SortStackTest` (#6422)

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     alxkm

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     DenizAltunkapan

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5. Commits on Jul 22, 2025

   • testing: refactor to ParameterizedTest `PrefixEvaluatorTest` (#6415)

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     alxkm

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     DenizAltunkapan

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6. Commits on Jul 21, 2025

   • testing: improving `PostfixEvaluatorTest` (#6405)

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     alxkm

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7. Commits on Jul 19, 2025

   • testing: improve test coverage `DuplicateBracketsTest` (#6396)

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     alxkm

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     DenizAltunkapan

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8. Commits on Jul 17, 2025

   • testing: added unit tests for the `MinStackUsingTwoStacks` (#6387)

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     alxkm

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     DenizAltunkapan

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     054002aView commit details

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9. Commits on Jul 12, 2025

   • refactor: add JavaDocs and improve readability in `InfixToPrefix` (#6363)

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     alxkm

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     DenizAltunkapan

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     7590d82View commit details

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   • refactor: Improve readability and code clarity in `InfixToPostfix` (#6362)

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     alxkm

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     DenizAltunkapan

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10. Commits on Jul 11, 2025

    • refactor: clean up LargestRectangle and convert tests to parameterized format (#6356)

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      alxkm

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      DenizAltunkapan

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      2ccc156View commit details

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11. Commits on Oct 22, 2024

    • Add palindrome checker using stack (#5887)

      S-M-J-I

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      6006025View commit details

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    • Add the retrieval of minimum and maximum element from stack at O(1) (#5714)

      S-M-J-I

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12. Commits on Oct 15, 2024

    • feat: Add `CelebrityFinder` new algorithm with Junit tests (#5756)

      Hardvan

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      adf21abView commit details

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    • feat: Add `MinStackUsingTwoStacks` new algorithm with Junit tests (#5758)

      Hardvan

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      776946eView commit details

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    • Add `MinStackUsingSingleStack` algorithm (#5759)

      Hardvan

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      30504c1View commit details

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13. Commits on Oct 13, 2024

    • feat: Add `PrefixEvaluator` new algorithm with Junit tests (#5755)

      Hardvan

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    • feat: Add `PostfixEvaluator` new algorithm with Junit tests (#5754)

      Hardvan

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      b0c8a8fView commit details

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14. Commits on Oct 8, 2024

    • Add StackUsingTwoQueues algorithm (#5625)

      Hardvan

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      d3bd287View commit details

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    • Add SortStack algorithm (#5624)

      Hardvan

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      136e0e2View commit details

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15. Commits on Oct 4, 2024

    • Add `PrefixToInfix.java` new algorithm (#5552)

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      Hardvan

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      alxkm

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      ea6457bView commit details

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    • Add `Infix To Prefix` new algorithm with unit tests (#5537)

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      Hardvan

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      alxkm

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      b61c547View commit details

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16. Commits on Aug 30, 2024

    • style: use proper spelling (#5436)

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17. Commits on Aug 29, 2024

    • refactor: `DuplicateBrackets` (#5424)

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      alxkm

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      alxkm

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      c57e02dView commit details

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18. Commits on Aug 27, 2024

    • refactor: `PostfixToInfix` (#5409)

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      alxkm

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      alxkm

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      633b9d4View commit details

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    • refactor: `NextSmallerElement` (#5412)

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      alxkm

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      alxkm

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      af7c425View commit details

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    • refactor: `NextGreaterElement` (#5405)

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      alxkm

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      alxkm

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      c8cf302View commit details

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19. Commits on Aug 26, 2024

    • refactor: `InfixToPostfix` (#5401)

      alxkm

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      4347f5bView commit details

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    • refactor: `StackPostfixNotation` (#5400)

      alxkm

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      64ff9b2View commit details

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20. Commits on Aug 25, 2024

    • refactor: `BalancedBrackets` (#5391)

      alxkm

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    • refactor: `DecimalToAnyUsingStack` (#5392)

      alxkm

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      3187b1fView commit details

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21. Commits on Aug 22, 2024

    • test: `LargestRectangle` (#5360)

      alxkm

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      3398c56View commit details

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22. Commits on May 5, 2024

    • style: enable `AvoidStarImport` in checkstyle (#5141)

      vil02

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      414835dView commit details

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23. Commits on Mar 22, 2024

    • Remove `CalculateMaxOfMin` (#5079)

      vil02

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      098f044View commit details

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24. Commits on Sep 18, 2023

    • Moved StackPostfixNotation.java from the Others section to the Stack section (#4372)

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      beradeep

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      26c2465View commit details

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