40 条题解

  • -1
    @ 2023-3-22 20:21:44 
    #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;
}
    • -1
      @ 2023-3-22 20:21:40 
      #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;
}
      • -1
        @ 2023-3-22 20:21:19

        #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;

}
        • -1
          @ 2023-3-22 20:18:20

          #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

          • -1
            @ 2023-3-22 20:15:24 
            #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 );
}
            • -1
              @ 2023-3-14 22:20:05

              #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 ); }

              • -1
                @ 2023-3-13 16:56:17 
                • #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 *

                • -1
                  @ 2023-1-31 11:04:09 
                  #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;
}
                  • -1
                    @ 2022-10-19 21:42:29 
                    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;
}
                    • -1
                      @ 2022-2-5 11:59:28 
                      #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 );
}
                      • -1
                        @ 2022-1-9 20:12:45 
                        #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 );
}
                        • -1
                          @ 2022-1-8 16:47:54 
                          #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 );
}
                          • -1
                            @ 2022-1-8 15:38:15 
                            #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 );
}
                            • -2
                              @ 2025-12-26 22:45:33

                              /***************************************** 备注： ******************************************/ #include #include <math.h> #include #include <stdio.h> #include #include #include #include <string.h> #include using namespace std; #define LL long long const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; int main() { int n; cin >> n; double sum = 0 , x; for(int i = 0 ; i < n ; i++) { cin >> x; sum += x; // sum = sum + x; } printf("%.4lf\n",sum/n);

                              return 0;

                              }

                              • -2
                                @ 2024-6-12 20:06:45 
                                #include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cctype>
#include<cstring>
#include<string>
#include<vector>
#include<set>
#include<stack>
#include<queue>
#include<iostream>
#include<iomanip>
#include<ctime>
#include<algorithm>
#include<map>
// const int MAXN=1e5;
// double sz[MAXN];
using namespace std;

int main(){
    int a;
    double ans;
    scanf("%d",&a);
    for(int i=1;i<=a;i++){
        double in;
        scanf("%lf",&in);
        ans+=in;
    }
    double out=ans/a;
    printf("%.4f",out);
}
                                • @ 2024-6-13 14:07:19

                                  我把你的抄了，你信吗？？？？？？？？？？？？

                                • @ 2025-5-16 13:22:23

                                  3~4~^7^

                              • -2
                                @ 2023-11-19 15:20:42

                                #include <bits/stdc++.h> using namespace std; int main() { cout << "I don't know！"; return 0; }

                                • -2
                                  @ 2023-8-22 20:41:08

                                  #include #include 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; }

                                  • -2
                                    @ 2023-3-22 20:21:55 
                                    #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;
}
                                    • -2
                                      @ 2022-7-4 20:30:39

                                      #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); }

                                      • -2
                                        @ 2022-1-19 16:15:22

                                        #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;

                                        }

                                        均值

                                        信息

                                        ID
                                        921
                                        时间
                                        1000ms
                                        内存
                                        128MiB
                                        难度
                                        5
                                        标签
                                        递交数
                                        1544
                                        已通过
                                        595
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