31 条题解

  • -1

    #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
      @ 2 年前
      • #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
        @ 2 年前
        #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
          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
            @ 3 年前
            #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
              #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
                @ 3 年前
                #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
                  @ 3 年前
                  #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
                    #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
                      @ 2 年前

                      #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
                        @ 3 年前

                        #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;
                        

                        }

                        信息

                        ID
                        921
                        时间
                        1000ms
                        内存
                        128MiB
                        难度
                        5
                        标签
                        递交数
                        1083
                        已通过
                        445
                        上传者