Largest BINARY SEARCH TREE

#1

i am getting wrong answer after submitting this code. can you tell me my mistake.
here is my code

#2

i am getting wrong answer through this code please guide me. i asked this question 8 hours ago still my doubt is pending no one replied. here is my code https://ide.codingblocks.com/s/296030

#3

I have marked your mistake in comments.Please see it.


If you fell that your doubt has been resolved then please mark it as resolved and give your feedback.