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Re:can a "permuting" be a non-change permuting ?

Posted by jxnu_liaoyanwen at 2011-07-28 10:00:47 on Problem 2004
In Reply To:can a "permuting" be a non-change permuting ? Posted by:diablo at 2004-11-07 19:04:57
Sample Output

ab
bar
crab
cobra
carbon
carbons

为什么题目的举例中 carbon  和  carbons  顺序没变也可以

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