Which of the following techniques can you not use to make the members of the std namespace available to your code? a. Code a using directive for the namespace b. Code an include preprocessor directives for the members c. Identify the members using fully qualified names d. Code a using declaration for each member

b. Code an include preprocessor directives for the members

Explanation:

Namespace in programming can be defined as the declarative region which provides scope for the identifiers such as the functions, name of the types, variables, etc.

The namespaces are the code into the logical groups and also used to prevent the name collision.

The ways that can be used outside the namespace as :

-- the code used the fully qualifies name

-- by using the declaration to bring one of the identifier into the scope

-- by using the directive to bring all the things in the newspaper into the scope.

Thus the correct option is (b).

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explanation: