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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:Why wrong?实在找不出了 Posted by:dongshanluo at 2006-08-13 10:10:22 4 YES 0 NO 409114 YES 409113 YES Followed by:
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