Code is failing test

#1

it works fine for sample input but is failing test cases
code :- https://ide.codingblocks.com/s/176455

#2

Hey @itsmeshubhamkumar there are couple of problems in your code

  1. your are not printing endl at the end of each test case
  2. you are printing k1 and k2 even when they are not present in the tree
  3. you are not printing the nodes within range in sorted order.
#3

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