Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
165239 屠思宇 求点积 C++ Compile Error 0 MS 0 KB 334 2026-11-14 11:40:50

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[10001],b[10001]; int main(){ int n; cin>>n; for (int i=0;i<n;i++){ cin>>a[i]; } for (int i=0;i<n;i++){ cin>>b[i]; } int a,b=0; for (int i=0;i<n;i++){ ab+=a[i]*b[i]; } cout<<ab<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:15:9: error: 'ab' was not declared in this scope
         ab+=a[i]*b[i];
         ^
Main.cc:15:16: error: invalid types 'int[int]' for array subscript
         ab+=a[i]*b[i];
                ^
Main.cc:15:21: error: invalid types 'int[int]' for array subscript
         ab+=a[i]*b[i];
                     ^
Main.cc:17:11: error: 'ab' was not declared in this scope
     cout<