Question 170
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Table: video_stream
****** ***** ********* ****.
***_**** | ***_**** ----------------------+-------------------------- ******_** | ****** ******_** | **** ******_** | ******* ******_******** | *******(20) -- '**** **', '***** **', '******* **', '****** **', '****' ********_** | ****** *******_******** | ******* ******_***** | ******* -- ****** ** ******* ****** *** ***** ***** ******* ********_******* | *******(20) -- **, **, **
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Recommended interview pacing
Easy: 5 min for direct warm-up style questions.
Medium: 10 min for multi-step interview queries.
Hard: 15 min for layered questions with tighter time pressure.
A common bar is solving about 2 medium-or-harder questions in a 30 minute interview.
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