Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
160311 王翊金恩 18统计成绩 C++ Compile Error 0 MS 0 KB 518 2026-09-14 21:45:51

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[105]; int main() { int n; cin>>n; int sum=0; for(int i=1;i<=n;i++) { cin>>a[i]; sum=sum+a[i]; } int max=a[1]; int min=a[1]; for(int i=1;i<=n;i++) { if(a[i]>max) { max=a[i]; } } for(int i=1;i<=n;i++) { if(a[i]<min) { min=a[i]; } } for(int i=1;i<=n;i++) { sum=sum+=a[i]; mx=sum/n; } double avg=sum*1.0/n; cout<<sum<<" "; printf("%.2lf",avg); cout<<max<<" "; cout<<min; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:32:16: warning: operation on 'sum' may be undefined [-Wsequence-point]
   sum=sum+=a[i];
                ^
Main.cc:33:3: error: 'mx' was not declared in this scope
   mx=sum/n;
   ^