The DB question needed primary knowledge of SQL, ability to query DB and knowledge of Join strategies. The problem, however, was straight forward.
What do you mean by Hands-on Coding Challenge?
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Overall, the problems were interesting. But I would have loved some more algorithmic and data structure problems.
Is E-Mail from Twitter with pre-interview questions after Coding Challenge guarantee for interview?
What can I expect from a coding challenge?
What are some of the best ways to learn programming?
The coding challenge were overall ad hoc problems which requires more of a rigorous programming than deep knowledge of Data Structure and Algorithm. I think the overall focus on these problems was to ensure a candidates
What is the data scientist interview like for Twitter?
What can I expect from a coding challenge?
Are Twitter 7 day coding challenges really 7 days long?
How do I see who challenged my code in the TopCoder challenge phase?
My set of problems included one DB question and three coding challenges.
What are coding challenges, what you do there?
What are some of the best ways to learn programming?
The first 3 points are easy to make sure. But I am kind of impressed how they tested the 4th point. In particular problems, you could have wrote your own libraries or you could have leverage the nice in built STLs. On that point, be ready to switch language in case the other language serves you better. I coded 2 problems in C++ but decided the last problem better be coded in Java to use its TimeZone libraries.
What does Twitters coding challenge involve?
Are Twitter 7 day coding challenges really 7 days long?
How can I crack the coding challenge?
Will Twitters new algorithm kill Twitter?
How can I crack the coding challenge?
I failed a Twitter coding challenge on HackerRank, can I re-apply after a month?
I failed a Twitter coding challenge on HackerRank, can I re-apply after a month?
What is a good reason to reject a coding challenge?
What is a good reason to reject a coding challenge?
How do you approach HackerRank or coding challenges?
Ability to code whatever was necessary
Note: I chose a wide variety of positions with focus on Software Engineering positions. So, based on the choices and positions you are applying, the assorted questions for your test may differ a lot.
What is the data scientist interview like for Twitter?
Is E-Mail from Twitter with pre-interview questions after Coding Challenge guarantee for interview?
, Researcher at Cisco (2016-present)
Ability to parse inputs and extract data as necessary
Ability to think in OOP terms to make life easy
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How do you approach HackerRank or coding challenges?
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I took Twitter coding challenge a while back. To begin with, it was a positive experience.
What are the expectations in a Take-Home coding challenge?