Problem	area
User	Yaoru
Submission Time	2025-10-08 18:33:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

area.cpp: In function ‘int main()’:
area.cpp:7:2: error: expected initializer before ‘long’
7 | long long sum=0;
| ^~~~
area.cpp:9:14: error: ‘b’ was not declared in this scope
9 | cin>>a[i]>>b[i];
| ^
area.cpp:10:3: error: ‘sum’ was not declared in this scope
10 | sum+=a[i]*b[i];
| ^~~
area.cpp:12:8: error: ‘sum’ was not declared in this scope
12 | cout<<sum;
| ^~~