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Problem 138. Number of 1s in the Binary Representation of a Number

Created by @bmtran

Description

Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be able to provide vectorized input and return an output with the same dimensions as the input.

Example

   in = 215
   out = 6 

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Solution Statistics

228 correct solutions 378 incorrect solutions
Last solution submitted on Aug 22, 2014

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