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• An interview question on conditional operator

  - by nthrgeek

  I recently encountered with this question: How to reduce this expression: s73?61:60;. The hint given was that Instead of using conditional operator we could use a simple comparison which will work fine. I am not sure but I think it is possible with some GCC extension,although I am unable to figure it out myself. EDIT:The whole expression is this : s-=s73?61:60

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• Integer to Character conversion in C

  - by nthrgeek

  Lets us consider this snippet: int s; scanf("%c",&s); Here I have used int, and not char, for variable s, now for using s for character conversion safely I have to make it char again because when scanf reads a character it only overwrites one byte of the variable it is assigning it to, and not all four that int has. For conversion I could use s = (char)s; as the next line, but is it possible to implement the same by subtracting something from s ?

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• Sorting digits of an integer

  - by nthrgeek

  You are given an integer 51234 (say) we need to sort the digits of a number the output will be 12345. How to do it without using array ?

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