提交时间:2024-02-10 14:10:41

运行 ID: 40392

#include<iostream> using namespace std; int main() { int n,num; double sum,ave; cin>>n; for(int i=1;i<=n;i++){ cin>>num; sum+=num; } ave=sum/n; cout<<sum<<" "; printf("%.5f",ave); }