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Do you consider these cases?

Posted by iscxy at 2005-02-07 20:24:27 on Problem 1002 
1：000-0000
It will cause  -  Presentation Error:
2：100000 codes are same in  standard form
It will cause Overflow when you  use 'short'.  -  Wrong Answer.
3: 50000 pairs codes are same in  standard form, and INPUT is descending order.
It need much time to sort.   -  Time Limit Exceeded.
4: All codes are different.
"No duplicates." - I have not notice the last dot.
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