c++小數位 表示

#include
#include <iomanip>
using namespace std;
struct WageList
{
    char name[10];  //姓名
    double baseWage;   //基本工資
    double bonus;      //獎金
    double total;       //總額
};
int main( )
{
    WageList wage[100];
    //************* begin*****************
int i,n;
cin>>n;
double aver=0;
cout<<setiosflags(ios::fixed)<<setprecision(2);
for(i=0; i<n; i++)
    {
        cin>>wage[i].name>>wage[i].baseWage>>wage[i].bonus;
wage[i].total=wage[i].baseWage+wage[i].bonus;
aver=aver+wage[i].total;
    }
aver=aver/n;
    //************* end *****************
    cout <<setiosflags(ios::fixed)<<setprecision(2);
    for(i=0; i<n; i++)
    {
        cout<<wage[i].name<<" "<<wage[i].baseWage<<" "<<wage[i].bonus<<" "<<wage[i].total<<endl;
    }
    cout<<"average:"<<aver<<endl;
    return 0;
}