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As with so many challenges here, this is a terrible problem description. This is one of the worst. The "Lowest common ancestor" is not even defined! And the sole example just returns the root of the tree! Horrible, lazy, horrible problem description.
Why doesn't HackerRank have standards on their problems? We should be allowed to VOTE on how well defined a problem is, otherwise we end up with problems like this one.
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Binary Search Tree : Lowest Common Ancestor
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As with so many challenges here, this is a terrible problem description. This is one of the worst. The "Lowest common ancestor" is not even defined! And the sole example just returns the root of the tree! Horrible, lazy, horrible problem description. Why doesn't HackerRank have standards on their problems? We should be allowed to VOTE on how well defined a problem is, otherwise we end up with problems like this one.