* Range update of an array added with tests

* Suggested changes added

* Explanation for update and finalize method added

* Change RangeUpdate to LazyRangeAdder and Add tests + comments

* QuickSort3 implementation added with tests

* Required changes added

* Formatting issue resolved

Co-authored-by: William Fiset <williamfiset@Williams-Mac-mini.local>

* Update BinaryHeap.java

Improve PriorityQueue construction to O(n) with heapify for collections

* Fix code formatting