Hello,
If I could get some help on this question, and maybe somecomments showing what was done and why that’d be great:
Start with your binaryTree class from the last assignment andadd the big-3 to the class. First add private static functionsnamed “copy()” and “clear()”. Because these functions are beingcalled from within the class (instead of being called by theclient), you won’t need separate recursive “copy_aux()” and”clear_aux()” functions. Instead, “copy()” and “clear()” willthemselves be recursive. If you write these two functionscorrectly, your big-3 will be trivial. “copy()” should be a staticvoid function with two treenode* parameters; it assigns a deep copyof the
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