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#include <iostream>
class ave{
public:
ave(): ncount_(0), rsum_(0), amean_(0) {};
ave & operator+=(int d){
rsum_+=d;
ncount_++;
double stemp=static_cast<double>(rsum_);
double ntemp=static_cast<double>(ncount_);
amean_=stemp/ntemp;
return *this;
}
double get_ave() const { return amean_;}
private:
int ncount_;
int rsum_;
double amean_;
};
int main(){
ave a;
int indata{0};
std::cout <<"Enter values [Ctrl-D to finish]: " <<std::endl;
while(std::cin>>indata){
a+=indata;
}
std::cout << "Average: " << a.get_ave() << std::endl;
return 0;
}