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Re:数据 。。。

Posted by endkiller at 2011-05-22 23:51:50 on Problem 1222
In Reply To:数据 。。。 Posted by:lb1990330 at 2011-04-13 23:05:15
> 这个题数据弱 都是一解
> AC了才发现多解的代码部分提交时不小心剪切掉了 - -

这题有且只有一解,因为用高斯消元得出的矩阵没有自由变元

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