Re: An interview question by MS

On Nov 6, 2:20 am, Lambda <stephenh...@xxxxxxxxx> wrote:
In an interview, I was asked:

Define a function to split a string with some token.

I said let the function return a string array.

He asked me how do i know the array size.
Yes, I have to traverse the string to find how large the array is for
the first time.
And traverse the string when actually doing the split for the second
time.

I think this is maybe not the correct answer.

How should i handle such situation?

I find there is a 'strtok(s, ct)' function in the standard library.
The first cll in a sequence has a non-NULL s.
Each subsequent call, indicated by a NULL value of s.
strtok returns NULL when no further token is found.

Why indeed this function defined this way?
Why not return a string array directly?
Maybe this is the correct answer??


I find it highly improbably that an MS interview question was intended
to elicit a C response. Surely the desired response was to create and
return a C++ container object in some fashion.

.

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