TestCase 2 & 5 are passing but rest are not. Could you correct the code. I tried but I am not getting it
https://ide.codingblocks.com/s/167637 Here is the corrected code. You can avoid using if as it will only increase computation. Use else if. Also I deleted some unnecessary conditions and removed the parent node entirely as it was throwing errors.
So,the approach I used earlier using the parent is not suitable if the parent is null ?
It was throwing nullpointer exception when parent was null. So I would say this is a better approach and more suitable.
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