Merge pull request #63 from kresayuts05/patch-2

Template parameterize LinkedStack methods and return reference type of operator=

Added consultation tasks

Update singlyLinkedList_quickSort.cpp

Update singlyLinkedList_quickSort.cpp

Update singlyLinkedList_mergeSort.cpp

Rename sinlyLinkedList_insertBeforePred.cpp to singlyLinkedList_insertBeforePred.cpp

fixed some tasks

Merge pull request #62 from VioletaShindova/main

Update iterator.hpp - 07.10.25v

Merge pull request #61 from KaloyanPurvi/patch-4

Updated Cycling Problem in HashSet.hpp

Merge pull request #60 from ico12319/patch-1

Update traversals.cpp

Update main.cpp