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MISSING VALUE Interview Questions

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You have a 2-D array of friends like [[A,B],[A,C],[B,D],[B,C],[R,M], [S],[P], [A]] Write a function that creates a dictionary of how many friends each person has. People can have 0 to many friends. However, there won't be repeat relationships like [A,B] and [B,A] and neither will there be more than 2 people in a relationship
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Data Engineer

Interviewed at Meta

3.5★
Oct 31, 2018

You have a 2-D array of friends like [[A,B],[A,C],[B,D],[B,C],[R,M], [S],[P], [A]] Write a function that creates a dictionary of how many friends each person has. People can have 0 to many friends. However, there won't be repeat relationships like [A,B] and [B,A] and neither will there be more than 2 people in a relationship

You have 25 laborers for a shift. Pickers pick 100 units an hour Small item packers pack 150 units an hour Large item packers pack 25 units an hour You must pack 7500 small units during a ten hour shift. How would you staff your shift?
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Area Manager

Interviewed at Amazon

3.5★
Sep 17, 2009

You have 25 laborers for a shift. Pickers pick 100 units an hour Small item packers pack 150 units an hour Large item packers pack 25 units an hour You must pack 7500 small units during a ten hour shift. How would you staff your shift?

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