Level order zigzag

#1

it is not passing one testcase.

#2

Dry run your code on
10 false true 20 false false

#3

its only giving 10 as output. but i am not able to find out my mistake.

#4

In line 40 change parameter “l” to “r” that you are passing to buildtree.

#5

thank u so much, its done

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