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非常3ksIn Reply To:我先开始跟你这样写，WA TLE了n次~ （见内） Posted by:nkzgm at 2008-05-07 20:43:30 > > 在三重循环中，求半径的时候不要用sqrt，可能精度不够，那样我WA了n次。 > 可以用向量法求面积，三边的乘积除以面积的4倍即得半径 Followed by: Post your reply here: |
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