40 条题解
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-1
lutingxuan LV 10 @ 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
zouyicheng LV 7 @ 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
#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 ); } -
-2
huangzhihao LV 8 @ 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;}
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-2
luhaoxiang LV 6 @ 2025-8-18 11:45:51
#include #include #include using namespace std; int main() { int n; double x,sum; cin>>n; for(int i=1;i<=n;i++) { cin>>x; sum+=x; } cout<<fixed<<setprecision(4)<<sum/n; return 0; }
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diaoruicheng LV 10 @ 2025-5-18 15:46:17
#include <bits/stdc++.h> using namespace std; int main(){ double n,a,b; cin>>n; for(int i = 1;i<=n;i++){ cin>>a; b+=a; } printf("%.4lf",b/n); return 0; } -
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dongliyang LV 9 @ 2024-6-13 14:12:02
#include<bits/stdc++.h>//万能头 #include<iostream//cin，cout #include<iomanip 》//cout<<fixed<<setprecision(n){位数保留} #include<cmath》//函数 /#include<math.h>/ #include<cstdio》//scanf,printf //#include<stdio.h> int a,sum=0,ans=0,num=0; long long b; float c; char d; bool e; double f; long double g,k; short h; long j; using namespace std; int main() { cin>>a>>b>>c>>d>>e>>f>>g>>h>>j; //scanf("%d,%ll,%f,%c,%b,%do,%ld,%s,%l",&a,&b,&c,&d,&e,&f,&g,&h,&j); if (a+b+c+d+e+f+g+h+j==/<,>,<=,>=/k){int p; for(int i;i<=num;i--){sum=sum+ans++; } cout<<p; /printf("%d\n",p);/} return 0; } 防伪标识：//dongliyang6666666666666666666skhjkfgjgkjhfgjDV //没有工具包 谁敢抄？？？？？？？？？？？
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-2
#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); }-
我把你的抄了，你信吗？？？？？？？？？？？？
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hezhirui @ 2025-5-16 13:22:23
3~4~^7^
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-2
zhousixing1
LV 7
@ 2023-11-19 15:20:42
#include <bits/stdc++.h> using namespace std; int main() { cout << "I don't know！"; return 0; }
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-2
zhangenshuo LV 6 @ 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; }
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huanghongrui LV 5 @ 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; }
huangjiarui
LV 6
@ 2023-3-22 20:18:20
