Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
121432 糜宗易 18统计成绩 C++ Compile Error 0 MS 0 KB 371 2025-06-07 12:58:52

Tests(0/0):

Code:

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

Run Info:

Main.cc: In function 'int main()':
Main.cc:13:3: error: 'b' was not declared in this scope
   b = b + a[i];
   ^
Main.cc:22:27: error: 'b' was not declared in this scope
  printf("%d %.2lf %d %d", b, b * 1.0 / n, max, min);
                           ^