Insure that the product mix meets not only VOC generalized data but also be particularly supportive of some key leadership / reference customers. Obtain permission from those to use of reference accounts for subsequent solicitations.
You can actually find the answer to this question in the book Programming Interviews Exposed by John Morgan et. al. This is actually a VERY helpful book for this interview and all other programming interviews
// C# code int num = 619; // The number int NumOfOnes = 0; for (int j=0; j> 1; // Shift right to get the next bit } Console.WriteLine(NumOfOnes);