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大牛们，问个让我郁闷很有的问题

Posted by ccnuzhang at 2008-08-29 17:45:32 on Problem 1925 
我开始
  dis=(int)(sqrt((2*piont[i].y*h-h*h)*1.0));
死都不能过，后来改成如下：
  dis=(int)(sqrt((2*piont[i].y-h)*1.0)*sqrt(h*1.0));
就过了，我发誓，我别的地方没改。
   难道这个区别就这么大？？？
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