Reverse a string in-place using C.

Question

Anonymous · Accepted Answer

void
reverse(char *str)
{
   char *end = str + strlen(str) - 1;

   while (end > str)
   {
      char t = *str;
      *str = *end;
      *end = t;

      str++;
      end--;
   }
}

Anonymous · Answer

You rated the interview as "Very Difficult", and yet the questions you posted are trivially easy and very common, was that supposed to be some sort of joke? :(

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