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unkonwn!help不知错在哪?
#include<stdio.h>
#include <math.h>
#define Max 11000
int main()
{
int i,j,n,m,a[Max]={0},mark;
double min;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%d",&m);
a[i]=m;
}
for(i=0;i<n;i++)
for(j=i+1;j<n;j++)
if(a[i]<a[j]) {mark=a[i];a[i]=a[j];a[j]=mark;}
min=2*sqrt((double)a[0]*(double)a[1]);
for(i=2;i<n;i++)
min=2*sqrt(min*(double)a[i]);
printf("%.3lf\n",min);
return 0;
}
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