Google Interview Question for Software Engineers


Country: United States




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are all of names different with each other in this list? Or, there are duplicate names in the list?

- lixx3527 July 09, 2019 | Flag Reply
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I think create two maps, one is hashmap which is name -> rank, another is treemap, rank->list<String>(the names), then we can use treemap's properties to extract all of people who has same rank. Correct me if I am wrong! Any other idea?

- lixx3527 July 09, 2019 | Flag Reply
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This sounds right. Not sure if you need the second map. You can just update the entry for a given name, and let the treeMap update the entry's position in the tree. This should be a log(N) operation. Similarly, getting an entry for a given rank should be just navigating the tree to pick the appropriate node. In case of duplicated entries, we should probably return just the first match.

- Anonymous July 29, 2019 | Flag


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