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Delete the Binary Tree

Objec­tive: Given a binary tree, write an algo­rithm to delete it.

This is one of the basic prob­lem in trees. if you are new to trees then this prob­lem will help you build your foundation.


  • To delete a binary tree, we need to set all the node objects to null then garbage col­lec­tion will take care of rest of the things. If you are writ­ing the code in C/C++ then you will have to clear the allo­cated mem­ory by yourself.
  • Do the post order tra­ver­sal and set the node to null.


Deleting Node:4
Deleting Node:5
Deleting Node:2
Deleting Node:3
Deleting Node:1

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