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Re:就是过不了,怎么搞的,,不就是网上的那个公式嘛。。In Reply To:就是过不了,怎么搞的,,不就是网上的那个公式嘛。。 Posted by:cug_fish2008 at 2010-03-16 11:19:10 > int main() > { > int a,b,c,m,n,l; > scanf("%d %d %d %d %d %d",&a,&b,&c,&m,&n,&l);//abc可交换,mnl可交换 > double v =sqrt(double(4*a*a*b*b*c*c-a*a*(b*b+c*c-m*m)*(b*b+c*c-m*m)-b*b*(c*c+a*a-n*n)*(c*c+a*a-n*n)-c*c*(a*a+b*b-l*l)*(a*a+b*b-l*l)+(a*a+b*b-l*l)*(b*b+c*c-m*m)*(c*c+a*a-n*n)))/12; > printf("%.4f",v); > return 0; > } > > 大牛在那里? 把int改成long long,还有m和l的位置调换一下,就过了。虽说是轮换,但是你观察一下公式,a和m是对应的,也即侧棱和底三角形的对边对应。 Followed by:
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