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Discussion :: C Preprocessor

  1. What will be output after executing following code?

    #include
    # define a 10
    void main()
    {
        printf("%d..", a);
        foo();
        printf("%d", a);
    }
    void foo()
    {
       #undef a
       #define a 50
    }
    2. A.

     10..50
    B.

     10..10
    C.

     0
    D.

     Error

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    Explanation Not Provided

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