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系统是按ASCII码排的

Posted by GJgundam at 2008-01-26 12:24:25 on Problem 1256
In Reply To:这道题目调用系统函数容易错的地方 Posted by:i_love_c at 2008-01-25 19:32:04
> 如果是调用系统函数的话,那么很容易错的地方就是没有自己写比较函数
> 系统全排列函数在默认情况是将大小写分开的
> 比如说
> aaAAFF
> ...
> 
> 最后会出现(系统函数默认情况)
> aaFFAA
> 
> 而我们希望的是
> FFaaAA

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