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Re:大家都彻底搞懂next-permutation()的原理吗??

Posted by Ly86 at 2010-03-13 15:03:03 on Problem 1731
In Reply To:大家都彻底搞懂next-permutation()的原理吗?? Posted by:wyu_Onway at 2010-01-30 14:22:38 
用set试一试~~~把元素存到set里面把
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