Problem	traineeline
User	asbx
Submission Time	2023-12-13 11:43:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

traineeline.cpp: In function ‘int main()’:
traineeline.cpp:24:22: error: expression cannot be used as a function
24 | c=c+(a*s.second());
| ^