OYO Rooms Interview Experience | Set 4 (For Backend Profile)
Written Round
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You have to design url shortening site bit.ly. have to enable history and expiry tracking of url.
- Design database for your system.
- Api endpoints you need to expose if I i need to make an application out of it.
- How to scale for more than 10 million urls
- No of ways you can climb the stairs. Only 1 or 2 steps are allowed.
- Which can’t be done without recursion
- Which takes more than O (1) time for hash map data structure
Insert
Delete
Sort
Search - Various what is time complexity for the following code questions.
- Can I use get instead of put/post to make a new resource.
- How indexing helps in improving performance of query.
Round 2
- Design database for hotel booking.
- Design snake and ladder game. With various classes and objects.
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