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C/C++ Interview Questions

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  1. Spark
    Moderator

    Here are some C/C++ Interview Questions:

    1. How do you decide which integer type to use?
    2. What should the 64-bit integer type on new, 64-bit machines be?
    3. What’s the best way to declare and define global variables?
    4. What does extern mean in a function declaration?
    5. What’s the auto keyword good for?
    6. Define a linked list node which contains a pointer to itself.
    7. How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?
    8. How can I declare a function that returns a pointer to a function of its own type?
    9. My compiler is complaining about an invalid redeclaration of a function, but I only define it once and call it once. What’s happening?
    10. What can I safely assume about the initial values of variables which are not explicitly initialized?
    11. Why can’t I initialize a local array with a string?
    12. What is the difference between char a[] = “string”; and char *p = “string”; ?
    13. How do I initialize a pointer to a function?

    Just a first set of Questions. Keep checking for updates.

    Thanks.

    Posted 1 year ago #

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