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Expedia Software Engineer In Test I Interview Question (student candidate)

"-Asked to write a function to find the start point of "$" and ";" in a string -Asked to write a regular expression to find text between "$" and ";" unless there was a space after "$". -How do you know if a linked-list is circular (even a middle item could point to one of the previous items) if you know its size?"
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For the linked-list, use a counter every time you move to the next item. If the counter increases beyond the size of the linked list, it's circular.
- Interview Candidate on Mar 14, 2012

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