Pleas help in this code

#1


My code is not showing output

#2

@Ayush-Kokande-2816457821730452, you are taking input in a wrong way, you are supposed to take input as a binary tree in preorder format instead of binary search tree , also since size is not mentioned while taking input so you have to take input as string
refer this : - https://ide.codingblocks.com/s/245722

#3

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