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Re:1183算法请教

Posted by melanie at 2006-07-22 20:03:18 on Problem 1183
In Reply To:1183算法请教 Posted by:waterine at 2003-07-22 12:23:27

> 我利用a^2 + 1 = (b-a)(c-a)
> for(i= int(sqrt(a^2+1); i>0; i--)
> 如果((a^2+1)%i ==0) b=i +a; c=(a^2+1)/b +a;
> 但是WA......
> 哪位高人指点一下

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