Help with error

#1

code: https://ide.codingblocks.com/s/422219

prob: https://hack.codingblocks.com/app/contests/2022/449/problem

I have done the opposite of what we would do when building the tree with preorder and inorder

#2

Corrections

  1. first call right half and then left part
  2. p should be pass by reference

Modified Code

#3

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