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Q2) Certain Customers buy kindle on day one and certain customers buy kindle on day two. Design an algorithm(optimum) to find customers who bought on both days. Each customer has a unique ID (Integer). (I forgot to consider case of duplicates,until she reminded), You need to write complete code(NOT just pseudo code within given time and read it out)
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Software Development Engineer

Interviewed at Amazon

3.5
Feb 9, 2011

Q2) Certain Customers buy kindle on day one and certain customers buy kindle on day two. Design an algorithm(optimum) to find customers who bought on both days. Each customer has a unique ID (Integer). (I forgot to consider case of duplicates,until she reminded), You need to write complete code(NOT just pseudo code within given time and read it out)

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