Recently did my phone screen for London location. Below two questions were asked- 1) https://leetcode.com/problems/buildings-with-an-ocean-view/ 2) https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree-iii/ I solved the second question with O(N) space which can be done in O(1). I realised...

LeetCode Experience · Feb 2022 · London

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Recently did my phone screen for London location. Below two questions were asked- 1) 2) I solved the second question with O(N) space which can be done in O(1). I realised...

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Binary Tree Hash Table

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