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Discussion :: Operators and Expressions

  1. What will be the output of the following program?

    void main()
    {
          int a, b, c, d;
          a = 3;
          b = 5;
          c = a, b;
          d = (a, b);
          printf("c=%d d=%d", c, d);
    }
    2. A.

     c=3 d=3
    B.

     c=3 d=5
    C.

     c=5 d=3
    D.

     c=5 d=5

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    Answer : Option B

    Explanation :

    The comma operator evaluates both of its operands and produces the value of the second. It also has lower precedence than assignment. Hence c = a, b is equivalent to c = a, while d = (a, b) is equivalent to d = b.

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