Added heavy_light_decomposition.cpp (#1016)

* Added heavy_light_decomposition.cpp * Update range_queries/heavy_light_decomposition.cpp Co-authored-by: David Leal <halfpacho@gmail.com> * Update range_queries/heavy_light_decomposition.cpp Co-authored-by: David Leal <halfpacho@gmail.com> * Update range_queries/heavy_light_decomposition.cpp Co-authored-by: David Leal <halfpacho@gmail.com> * Added function documentation TODO: Data member documentation. * Update heavy_light_decomposition.cpp * Update heavy_light_decomposition.cpp * Corrected typos, and remove comma * Corrected typos, and removed comma * Edited comments * Update range_queries/heavy_light_decomposition.cpp Co-authored-by: David Leal <halfpacho@gmail.com> * Added wiki * Create c-cpp.yml * updating DIRECTORY.md * Delete c-cpp.yml * Added namespace, Removed quoted @params * updating DIRECTORY.md * clang-tidy fixes for 25f16d7 * Update heavy_light_decomposition.cpp * Update heavy_light_decomposition.cpp * Apply suggestions from code review Co-authored-by: David Leal <halfpacho@gmail.com> * Edited Comments * clang-tidy fixes for 07b46bb * Apply suggestions from code review Co-authored-by: David Leal <halfpacho@gmail.com> * Fixed markdown * Apply suggestions from code review Co-authored-by: David Leal <halfpacho@gmail.com> * Edited comments * Update heavy_light_decomposition.cpp * Update heavy_light_decomposition.cpp * Apply suggestions from code review Co-authored-by: David Leal <halfpacho@gmail.com> * Apply suggestions from code review Co-authored-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com> * Added data member documentation * Formatted Code * Edited data member comments * Update range_queries/heavy_light_decomposition.cpp Co-authored-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com> * Update heavy_light_decomposition.cpp * Added testcase verification * Update heavy_light_decomposition.cpp * Added a new test case Co-authored-by: David Leal <halfpacho@gmail.com> Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Krishna Vedala <7001608+kvedala@users.noreply.github.com>

Author: 4 people

DIRECTORY.md

@@ -204,6 +204,7 @@
 
 ## Range Queries
  * [Fenwick Tree](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/fenwick_tree.cpp)
+ * [Heavy Light Decomposition](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/heavy_light_decomposition.cpp)
  * [Mo](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/mo.cpp)
  * [Segtree](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/range_queries/segtree.cpp)