Add dedicated chapter exercise sections and generated exercise pages for the English, Japanese, and Russian editions.
Add navigation for all published languages while keeping Taiwan Traditional Chinese exercise pages generated at build time.
* Update the contributors list.
* Update the version number.
* Sync zh and zh-hant versions.
* Move epub builder to the utils branch.
* Optimize all figure files using pngquant.
* Update copyright.
* Update Acknowledgements.
* Update buttons in README.
* Review the EN heading format.
* Fix pythontutor headings.
* Fix pythontutor headings.
* bug fixes
* Fix headings in **/summary.md
* Revisit the CN-to-EN translation for Python code using Claude-4.5
* Revisit the CN-to-EN translation for Java code using Claude-4.5
* Revisit the CN-to-EN translation for Cpp code using Claude-4.5.
* Fix the dictionary.
* Fix cpp code translation for the multipart strings.
* Translate Go code to English.
* Update workflows to test EN code.
* Add EN translation for C.
* Add EN translation for CSharp.
* Add EN translation for Swift.
* Trigger the CI check.
* Revert.
* Update en/hash_map.md
* Add the EN version of Dart code.
* Add the EN version of Kotlin code.
* Add missing code files.
* Add the EN version of JavaScript code.
* Add the EN version of TypeScript code.
* Fix the workflows.
* Add the EN version of Ruby code.
* Add the EN version of Rust code.
* Update the CI check for the English version code.
* Update Python CI check.
* Fix cmakelists for en/C code.
* Fix Ruby comments
* Add "reference" for EN version. Bug fixes.
* Unify the figure reference as "the figure below" and "the figure above".
Bug fixes.
* Format the EN markdown files.
* Replace "" with <u></u> for EN version and bug fixes
* Fix biary_tree_dfs.png
* Fix biary_tree_dfs.png
* Fix zh-hant/biary_tree_dfs.png
* Fix heap_sort_step1.png
* Sync zh and zh-hant versions.
* Bug fixes
* Fix EN figures
* Bug fixes
* Fix the figure labels for EN version
* Translation: Update binary_tree.md
simplified some parts while others added a few words to make it clearer
* translation: Update binary_tree.md
edited most of the stuff that QiLOL has suggestion, again thanks QiLOL for the review
* translation: Update binary_tree.md
changed to simpler words instead.
Did not update the 2nd part, as I'm waiting for Khrahets to make the final decision
* Translation: Update index.md
simplified the words using "vibrant" instead. used illustrate instead of demonstrate because I'm thinking the image "illustrates" the concept.
* Translation: Update index.md
Changed to what yuelinxin has suggested. thanks for the suggestion.