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Re:请教richardhuang :第4组数据的正确结果是什么?

Posted by richardhuang at 2004-10-16 08:34:00 on Problem 1914
In Reply To:请教richardhuang :第4组数据的正确结果是什么? Posted by:legstrong at 2004-10-16 03:13:51
就是A的那个行列式有错
你手工算算或者用windows的calc算就知道了
必然是1000倍数啊(因为行列式第一行都是1000倍数)

> 输入:
> -1000 1000 1000 1000
> 999 1000 -999 0
> 1000 -500 998 2
> 
> 输出:?

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