Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
136627 刘梓含 求点积 C++ Compile Error 0 MS 0 KB 581 2025-11-15 14:40:07

Tests(0/0):

Code:

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

Run Info:

Main.cc: In function 'int main()':
Main.cc:17:12: error: a function-definition is not allowed here before '{' token
 int main (){
            ^
Main.cc:6:8: warning: unused variable 'sum' [-Wunused-variable]
  int n,sum = 0;
        ^
Main.cc:8:14: warning: unused variable 'b' [-Wunused-variable]
  int a[1001],b[1001];
              ^
Main.cc:43:1: error: expected '}' at end of input
 }
 ^