#include #include #include<string.h> #include using namespace std; double n,b,c; int main(){ cin>>n; for (int i=1;i<=n;i++) { cin>>b; c+=b;

}
cout << fixed << setprecision(4) << c/n<< endl;
return 0;

}

#include #include using namespace std; int main() { int n; cin>>n; double num,sum,avrage; for (int i=1;i<=n;i++) { cin>>num; sum+=num; } avrage=sum/n; printf("%.4lf",avrage ); } 看到这里了 点个赞再走吧再见

#include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
    int n;  
    cin >> n;
    double num,sum,avrage;
    for (int i = 1; i <= n; i++)
    {
        cin >> num;
        sum += num;
    }
    avrage = sum/n;
    printf("%.4lf",avrage );
}

#include #include using namespace std; int main() { int n; cin>>n; double num,sum,avrage; for (int i=1;i<=n;i++) { cin>>num; sum+=num; } avrage=sum/n; printf("%.4lf",avrage ); }

• #include<iostream>
  #include<stdio.h>
  using namespace std;
  int main()
  {
      int n;  
      cin >> n;
      double num,sum,avrage;
      for (int i = 1; i <= n; i++)
      {
          cin >> num;
          sum += num;
      }
      avrage = sum/n;
      printf("%.4lf",avrage );
  }
  

  Copy *

#include<iostream>
#include<iomanip>
using namespace std;
int main(){
	double a,b,c;
	cin>>a;
	for(int i=1;i<=a;i++)
	{
		cin>>b;
		c+=b;
	}
	cout<<fixed<<setprecision(4)<<c/a<<endl;
}

using namespace std;
int main(){
	double a,b,s=0;
	cin>>b;
	for(double i=1;i<=b;i++){
		cin>>a;
		s+=a;
	}
	cout<<fixed<<setprecision(4)<<s/b<<endl;
}

#include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
    int n;  
    cin >> n;
    double num,sum,avrage;
    for (int i = 1; i <= n; i++)
    {
        cin >> num;
        sum += num;
    }
    avrage = sum/n;
    printf("%.4lf",avrage );
}

#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	int n;  
    cin>>n;
    double num,sum,avrage;
    for (int i=1;i<=n;i++)
    {
        cin>>num;
        sum+=num;
    }
    avrage=sum/n;
    printf("%.4lf",avrage );
}

#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;
#define LL Long Long
const int N=1e5+10;
const int INF=0x3f3f3f3f;
int main()
{
	int n;  
    cin>>n;
    double num,sum,avrage;
    for (int i=1;i<=n;i++)
    {
        cin>>num;
        sum+=num;
    }
    avrage=sum/n;
    printf("%.4lf",avrage );
}

#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
    int n;  
    cin >> n;
    double num,sum,avrage;
    for (int i = 1; i <= n; i++)
    {
        cin >> num;
        sum += num;
    }
    avrage = sum/n;
    printf("%.4lf",avrage );
}

#include<iostream>
#include<iomanip>
using namespace std;
int main(){
	double a,b,c;
	cin>>a;
	for(int i=1;i<=a;i++)
	{
		cin>>b;
		c+=b;
	}
	cout<<fixed<<setprecision(4)<<c/a<<endl;
}

#include <stdio.h> #include #include <math.h> using namespace std; int main() { double n ,sum = 0 , x; cin >> n; for(int i = 0 ; i < n ; i++) { cin >> x; sum += x; } printf("%.4lf",sum/n); }

#include #include <stdio.h> using namespace std; int main() { int i,n; float s,x; cin>>n;

for(i=1; i<=n; i++)
{
    cin>>x;
    s=s+x;
}
s=s/n;
printf("%.4f",s);
return 0;

}