So I have been looking into implementing a lowest common ancestor algorithm. I looked at many different algorithms (mainly variations of Trajan\'s solution or variations of the RMQ).
Following is my algorithm to find first common ancestor. But I don’t know how to calculate it time complexity, can anyone help?
Sometimes I come across interview questions like this: \"Find the common parent of any 2 nodes in a tree\". I noticed that they ask LCA questions also at Google, Amazon, etc.
I know similar questions have been asked before, but I think my solution is far simpler. Especially compared to Wikipedia.
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