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Re:超简单....留个足迹 但为什么上面就错了下面就对了 就改了一部分

Posted by ss145236 at 2010-04-22 18:41:16 on Problem 1218
In Reply To:超简单....留个足迹 但为什么上面就错了下面就对了 就改了一部分 Posted by:vince4053040 at 2009-11-29 16:28:18
if(a[n*i]==1)a[n*i]=0;
if(a[n*i]==0)a[n*i]=1;
提示 :这两句话等于没做事,  改过去又改回来了!

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