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我晕~~~ 1也算质数？？？！！！！

Posted by K208 at 2005-10-02 19:22:15 on Problem 1595
In Reply To:题目讲反了吧 Posted by:K208 at 2005-10-02 19:05:16 
> 题目说 print the C*2 prime numbers from the center of the list if there are an even number of prime numbers or (C*2)-1 prime numbers from the center of the list if there are an odd number of prime numbers in the list. 
> 样例第一个21 2
> 1-21有8个质数，不是应该打印C*2 = 4个吗？为什么只打印了3个！！！
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