Level order zigzag

#1


it works correctly for sample test case, but getting wrong answer while submitting

#2

Hey, your code is not the most optimised code.Even if your code is correct you will still get tle.
So try to do it in O(n).
Hint:do level order traversal and for every even level , add right first then left

#3

not getting TLE, it is showing wrong answer
how to implement as you said
and one more question I asked 3 days ago, you haven’t replied yet

#4

Here is my code,just see the implementation: