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Re:终于AC了，可是还是不明白，为什么输入0要输出“NO”可是是输入4却要输出“YES”，0=0!,4=2!+1!+0!呀！！！In Reply To:Re:终于AC了，可是还是不明白，为什么输入0要输出“NO”可是是输入4却要输出“YES”，0=0!,4=2!+1!+0!呀！！！ Posted by:luoyongbiao at 2006-08-19 21:18:40 > 0!=1; 那为什么9!=1!+2!+3!而不加0!,产生'no'啊?? Followed by:
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