Pergunta de entrevista da empresa Amazon
Given an array of consecutive integers (1-100) with no reptitions, give a function that returns the missing int.
Resposta da entrevista
Sigiloso
10 de jun. de 2011
Get the expected sum Get the actual sum The difference is the missing number. Getting the expected sum is Nx(N+1)/2 --- simple algebra that I unfortunately forgot in my interview!
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