#include<iostream>#include<iomanip>using namespace std;int main(void){double sum=0.0;for(int i=1;i<=12;i++){double temp;cin>>temp;sum+=temp;}cout<<fixed<<setprecision(2)<<'$'<<sum/12.0<<endl;return 0;}
#include<iostream>#include<iomanip>using namespace std;int main(void){double sum=0.0;for(int i=1;i<=12;i++){double temp;cin>>temp;sum+=temp;}cout<<fixed<<setprecision(2)<<'$'<<sum/12.0<<endl;return 0;}名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
