Main' no such element exception error

#1
#2

@deepgarg46 remove line no. 16 to line no. 22.

#3

after that its working but all test are fail

#4

@deepgarg46 The question demands that you create a root node and insert node one by one to create a binary search tree. Your method is also correct but to pass this question you have to do this. And your insert function should be made using this : https://www.geeksforgeeks.org/binary-search-tree-set-1-search-and-insertion/

#5

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