Problem	gotoschool
User	nmluan
Submission Time	2025-01-16 12:34:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gotoschool.cpp: In function ‘int main()’:
gotoschool.cpp:8:27: error: expression cannot be used as a function
8 | cin >> a[i].first();
| ^