Problem	eeducation
User	YunQingOng
Submission Time	2026-06-23 15:52:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

eeducation.cpp: In function ‘int main()’:
eeducation.cpp:19:21: error: ‘class std::vector<long long int>’ has no member named ‘pushback’; did you mean ‘push_back’?
19 | fin.pushback(C);
| ^~~~~~~~
| push_back