Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
75330 王佰辉 求点积 C++ Compile Error 0 MS 0 KB 377 2024-05-26 16:34:46

Tests(0/0):

Code:

#include <iostream> #include<queue> using namespace std; int main() { int n = 0; cin>>n; int a[1001],b[1001]; 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[i]; } cout<<sum;

Run Info:

Main.cc: In function 'int main()':
Main.cc:17:8: error: 'sum' was not declared in this scope
        sum += a[i]*b[i];
        ^
Main.cc:20:13: error: 'sum' was not declared in this scope
       cout<