39 条题解
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1
这题和python有半毛钱关系吗？
#include <stdio.h> #include <iostream> #include<iomanip> #include <math.h> using namespace std; int main() { int a; float b[100],c; cin>>a; for(int i=1;i<=a;i++){ cin>>b[i]; } for(int i=1;i<=a;i++){ c+=b[i]; } cout<<fixed<<setprecision(4)<<c/a; return 0; } -
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huangzhihao LV 9 @ 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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2025sng036 LV 4 @ 2025-12-14 16:14:22
#include<bits/stdc++.h> using namespace std;
int main() { int n; double a,sum=0; cin>>n; for(int i=1;i<=n;i=i+1) { cin>>a; sum=sum+a;
} cout<<fixed<<setprecision(4); cout<<sum/n; return 0;}
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0
#include<bits/stdc++.h> using namespace std;
int main() { int n; double a,sum=0; cin>>n; for(int i=1;i<=n;i=i+1) { cin>>a; sum=sum+a;
} cout<<fixed<<setprecision(4); cout<<sum/n; return 0;}
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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 9 @ 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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shihaichen LV 6 @ 2024-6-12 20:20:32
#include #include using namespace std; int main(){ double n,m,x; cin>>n; for(int i=1;i<=n;i++){ cin>>m; x+=m; } cout<<fixed<<setprecision(4); cout<<x/n<<endl; return 0; }
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我把你的抄了，你信吗？？？？？？？？？？？？
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huangmingpei1 LV 6 @ 2024-6-12 20:19:00
#include #include using namespace std; int main() { int n double a,b =0 cin>>n for(int i =1;i<=n;i++) { cin>>a b= b + a } cout<<fixed<<setpeciion(4)<<b/n return 0; } 不 要 抄！！！！！！！！！！ 肯 定 会 错！
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我把你的抄了，你信吗？？？？？？？？？？？？
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raopeihang LV 7 @ 2024-6-12 19:57:19
#include<iostream> #include<iomanip> using namespace std; int main() { long long n; double sum=0; cin>>n; for(int i=1;i<=n;i++) { double t; cin>>t; sum=sum+t; } cout<<fixed<<setprecision(4)<<sum/n; }-
我把你的抄了，你信吗？？？？？？？？？？？？
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liangjingxu LV 7 @ 2024-5-19 20:18:14
#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; } -
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chenyanjun LV 8 @ 2024-4-6 17:09:14
#include
using namespace std;
int main(){
int n;
cin>>n;
double t;
double num=0;
for(int i=1;i<=n;i++){
cin>>t;
num+=t;
} double y=num/n;
printf("%.4lf",y);
} //比水门还水的题
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-1
#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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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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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 20:22:04
#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; }
ts2025stu003
LV 7
@ 2025-12-7 18:31:47
