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The manager of component 'A' says his functionality is more important than that of component 'B.' The manager of component 'B' says his is more important than that of component 'A.' You can only implement one A or B, but not both - which do you choose to implement.
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Senior Product Manager

Interviewed at Amazon

3.5
Aug 2, 2010

The manager of component 'A' says his functionality is more important than that of component 'B.' The manager of component 'B' says his is more important than that of component 'A.' You can only implement one A or B, but not both - which do you choose to implement.

Consider an X x Y array of 1's and 0s. The X axis represents "influences" meaning that X influences Y. So, for example, if $array[3,7] is 1 that means that 3 influences 7. An "influencer" is someone who influences every other person, but is not influenced by any other member. Given such an array, write a function to determine whether or not an "influencer" exists in the array.
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Senior Software Engineer

Interviewed at LinkedIn

3.8
Aug 1, 2013

Consider an X x Y array of 1's and 0s. The X axis represents "influences" meaning that X influences Y. So, for example, if $array[3,7] is 1 that means that 3 influences 7. An "influencer" is someone who influences every other person, but is not influenced by any other member. Given such an array, write a function to determine whether or not an "influencer" exists in the array.

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