Description : Sometimes, numbers which are in the search tree are getting replaced with new incoming numbers.
Steps to reproduce : Open simulator under Search tree experiment. Insert 10, insert 2, insert -1, insert 0.
Expected result : 0 should have been inserted to right of -1.
Actual result : 0 is replacing -1 in the search tree.
Screenshot :
Description : Sometimes, numbers which are in the search tree are getting replaced with new incoming numbers. Steps to reproduce : Open simulator under Search tree experiment. Insert 10, insert 2, insert -1, insert 0. Expected result : 0 should have been inserted to right of -1. Actual result : 0 is replacing -1 in the search tree. Screenshot :
![Screenshot (20)](https://user-images.githubusercontent.com/42439398/54489442-2dc92600-48d2-11e9-9df6-2e19ff82aa56.png)