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Given a set of inputs <number, userid> in a log file: log: <number, userid> example: 1,2 1,1 2,1 3,1 1,2 out: <number, count> 1,2 2,1 3,1 The output should be all the unique numbers and the count associated with them.
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Software Engineer

Interviewed at Meta

3.5★
Aug 28, 2009

Given a set of inputs <number, userid> in a log file: log: <number, userid> example: 1,2 1,1 2,1 3,1 1,2 out: <number, count> 1,2 2,1 3,1 The output should be all the unique numbers and the count associated with them.

You are given intervals of contiguous integers, like [1, 10), [15, 25), [40, 50), which are non-overlapping and of a fixed size. Design a data structure to store these intervals and have the operations of insert, delete, and find functions
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Software Engineer

Interviewed at Meta

3.5★
Mar 16, 2011

You are given intervals of contiguous integers, like [1, 10), [15, 25), [40, 50), which are non-overlapping and of a fixed size. Design a data structure to store these intervals and have the operations of insert, delete, and find functions

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