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小弟很菜,望大牛帮忙看一下错在哪里?#include<iostream.h>
#include<math.h>
#include<stdio.h>
int main()
{
int t,a[101];
double res;
cin>>t;
if(t>1)
{
for(int i=0;i<t;i++)
{
cin>>a[i];
}
for(i=0;i<=t-1;i++)
{
for(int j=t;j>=i+1;j--)
{
if(a[j]>a[j-1])
{
int temp;
temp=a[j];
a[j]=a[j-1];
a[j-1]=temp;
}
}
}
res=2*sqrt(a[0]*a[1]);
if(t>2)
{
for(i=2;i<t;i++)
{
res=2*sqrt(res*a[i]);
}
}
printf("%.3f\n",res);
}
else if(t==1)
{
cin>>res;
printf("%.3f\n",res);
}
return 0;
}
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