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请高手看下，为什么不能AC啊，但运行可以啊#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
float sum=0;
float ave=0;
float a[12];
for(int i=0;i<12;i++)
{
cin>>setiosflags(ios::fixed)>>setprecision(2)>>a[i];
sum+=a[i];
}
ave=sum/12;
cout<<setiosflags(ios::fixed)<<setprecision(2)<<ave;
return 0;
}
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