Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
151405 孔声豪 求点积 C++ Compile Error 0 MS 0 KB 285 2026-04-12 12:10:24

Tests(0/0):

Code:

#include <bits/stdc++.h> using namespace std; int main(){ int m,a[1001]={},b[1001]={},h; cin>>m; for(int i=0;i<=n;i++){ cin>>a[i]; } for(int i=0;i<=n;i++){ cin>>b[i]; } for(int i=0;i<=n;i++){ sum+=a[i]*b[1]; } cout<<sum<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:20: error: 'n' was not declared in this scope
     for(int i=0;i<=n;i++){
                    ^
Main.cc:9:20: error: 'n' was not declared in this scope
     for(int i=0;i<=n;i++){
                    ^
Main.cc:12:20: error: 'n' was not declared in this scope
     for(int i=0;i<=n;i++){
                    ^
Main.cc:13:2: error: 'sum' was not declared in this scope
  sum+=a[i]*b[1];
  ^
Main.cc:15:11: error: 'sum' was not declared in this scope
     cout<