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OMG the description is so confusing and wrong!!! Totally wrong about what they want to see. HackerRank has so much ambiguity and yet they are a bottleneck of code screening for many companies.
This task is about building a Trie (Prefix tree) and looking for existing words. Nothing about word prefixes.
Example 'as', 'sfdhk', 's' Will result in BAD SET "s", not "sfdhk".
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OMG the description is so confusing and wrong!!! Totally wrong about what they want to see. HackerRank has so much ambiguity and yet they are a bottleneck of code screening for many companies. This task is about building a Trie (Prefix tree) and looking for existing words. Nothing about word prefixes. Example 'as', 'sfdhk', 's' Will result in BAD SET "s", not "sfdhk".