20 条题解
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0
# 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; }
信息
- ID
- 933
- 时间
- 1000ms
- 内存
- 128MiB
- 难度
- 4
- 标签
- 递交数
- 846
- 已通过
- 418
- 上传者