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Asked to write a method were it's passed an array of numbers and a single number. I needed to return true if there was two numbers in the array that if added totaled the single number. I was then asked to rewrite it to make it run faster.
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Senior Software Engineer

Interviewed at Amazon

3.5★
Mar 4, 2014

Asked to write a method were it's passed an array of numbers and a single number. I needed to return true if there was two numbers in the array that if added totaled the single number. I was then asked to rewrite it to make it run faster.

One bridge, 4 people. A, B, C, D. A takes 2 mins to cross the bridge, B 4 mins, C 8 mins, D 16mins. It is dark and 1 torch. So, 2 people need to cross the bridge at the same time, so that one person can bring back the torch for the next group to cross the bridge. The 2 pepole group walks at the pace of the slower walker. How to cross the bridge in the fasted way?
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Senior Software Engineer

Interviewed at Roblox

3.7★
Aug 20, 2011

One bridge, 4 people. A, B, C, D. A takes 2 mins to cross the bridge, B 4 mins, C 8 mins, D 16mins. It is dark and 1 torch. So, 2 people need to cross the bridge at the same time, so that one person can bring back the torch for the next group to cross the bridge. The 2 pepole group walks at the pace of the slower walker. How to cross the bridge in the fasted way?

# a list of strings. Each string is a management / report relationship. # # EXAMPLE INPUT: # # [ # 'B,E,F', # 'A,B,C,D', # 'D,G,I', # 'G,H' # ] So, write some code (pseudo or language of your choice, including SQL) for the following: A is the manager of B, C, D. B is the manager of E and F, and so forth. # EXAMPLE OUTPUT: # # A # ....B # ........E # ........F # ....C # ....D # ........G # ............H # ........I
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Senior Software Engineer

Interviewed at Reddit

3.9★
May 22, 2019

# a list of strings. Each string is a management / report relationship. # # EXAMPLE INPUT: # # [ # 'B,E,F', # 'A,B,C,D', # 'D,G,I', # 'G,H' # ] So, write some code (pseudo or language of your choice, including SQL) for the following: A is the manager of B, C, D. B is the manager of E and F, and so forth. # EXAMPLE OUTPUT: # # A # ....B # ........E # ........F # ....C # ....D # ........G # ............H # ........I

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