20 条题解
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3
zhonghaoyu LV 7 @ 2023-6-17 19:27:38
/********************************* 备注: *********************************/ #include <iostream> #include <cstdio> #include <iomanip> #include <cmath> #include <math.h> #include <algorithm> #include <cstring> #include <string> #include <stack> #include <queue> #include <algorithm> #define LL long long using namespace std; const int INF = 0x3f3f3f3f; const int N = 1e5 + 10; double n , a[N] , m; double b; int main() { cin >> n; for(int i = 1; i <= n; i++) { cin >> a[i]; } for(int i = 1; i <= n; i++) { m = m + a[i]; } b = m / n; cout << fixed << setprecision(2) << b << endl; return 0; } -
1
ts2024stu008 LV 8 @ 2024-11-30 21:37:05
#include <iomanip> using namespace std; int n; double sum,x; int main() { cin >> n ; for(int i=1; i<=n;i++) { cin >>x; sum +=x; } cout << fixed << setprecision(2) << sum/n; return 0; }有标志认证，属三无产品，请大家放心食用
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ts2024stu001
LV 7
@ 2024-11-29 17:54:23
#include<iomanip> using namespace std; double sum; double x; int main() { int n; cin>>n; for(int i=1;i<=n;i++) { cin>>x; sum +=x; } cout<<fixed<<setprecision(2)<<sum/n; return 0; } -
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#include #include using namespace std; int main() { double n,a,s=0,sum=0; cin>>n; for(int i=1;i<=n;i++) { cin>>a; s++; sum+=a; } cout<<fixed<<setprecision(2)<<sum/s; return 0; }
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1
zengzhiyuan
LV 10
@ 2023-1-5 21:49:48
#include <bits/stdc++.h>//直接使用万能头 /*#include <iostream> #include <stdio.h> #include <stdbool.h>//要定义bool型变量必须要这个 #include <iomanip> #include <cstdio> */ //保留小数位数代码:setiosflags(ios::fixed) << setprecision(保留小数位数) << 浮点数; //数组排序：升序：sort(m,m + n);降序:sort(m,m + n, greater<int>()); //any function void sleep(int p){ long long int jiouiuiojioiouuiijyuiuyiyi = 0; const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; for(int k = 1;k <= p;k++){ for(int j = 1;j <= 300;j++){ for(int i = 1;i <= N;i++){ jiouiuiojioiouuiijyuiuyiyi += pow(N,N); } } } } //code write block using namespace std; const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; int main(){ int n,sum = 0,x; double ans; cin >> n; for(int i = 1;i <= n;i++){ cin >> x; sum += x; } ans = 1.0 * sum / n; cout << setiosflags(ios::fixed) << setprecision(2) << ans; return 0; } -
0
diaoruicheng LV 8 @ 2025-6-25 20:28:43
# include <bits/stdc++.h> //ccccccccccccccccccccccccccccccccccccccccc //+++++++++++++++++++++++++++++++++++++++++ //+++++++++++++++++++++++++++++++++++++++++ using namespace std; double n,k,sum; int main(){ cin>>n; for(int i = 1;i<=n;i++){ cin>>k; sum+=k; } printf("%.2lf\n",sum/n); return 0; } -
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2024sng016 LV 6 @ 2024-12-4 23:36:15
🎉️ #include <bits/stdc++.h> using namespace std; int main() { float n,sum,x; cin>>n; for(int i=1;i<=n;i++) { cin>>x; sum=sum+x; } cout<<fixed<<setprecision(2)<<sum/n; return 0; }
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0
#include <bits/stdc++.h> using namespace std; int main() { float n,sum,x; cin>>n; for(int i=1;i<=n;i++) { cin>>x; sum=sum+x; } cout<<fixed<<setprecision(2)<<sum/n; return 0; }
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0
#include <bits/stdc++.h> using namespace std; int main() { float n,sum,x; cin>>n; for(int i=1;i<=n;i++) { cin>>x; sum=sum+x; } cout<<fixed<<setprecision(2)<<sum/n; return 0; }
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0
请先理解代码
#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> using namespace std; int main(){ int n; double sum=0.0; cin>>n; for(int i=1;i<=n;i++){ int a; cin>>a; sum+=a; } // cout<<sum<<endl; printf("%.2f",sum/n); } -
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zhangyaodong LV 5 @ 2023-12-1 18:04:11
hao
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-2
chenhaofeng LV 7 @ 2022-1-9 20:12:02
#include<iostream> #include<iomanip> #include<math.h> using namespace std; int main() { int n; cin >> n; double a,b,c; for (int i =1; i<=n;i++) { cin >>a; b+=a; } c=b/n; printf("%.2lf",c); } -
-3
#include<iostream> #include<iomanip> #include<math.h> using namespace std; int main() { int n; cin >> n; double a,b,c; for (int i =1; i<=n;i++) { cin >>a; b+=a; } c=b/n; printf("%.2lf",c); }
Lawrence劳伦斯
LV 10
@ 2023-4-9 14:13:40
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