Problem	potatoqueue
User	IanGohYifeng
Submission Time	2026-08-28 21:21:50
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

potatoqueue.cpp: In function ‘void join(int)’:
potatoqueue.cpp:43:12: error: cannot convert ‘std::vector<int>::empty’ from type ‘bool (std::vector<int>::)() const noexcept’ to type ‘bool’
43 | if(!st.empty){
| ^~~~~
potatoqueue.cpp:43:12: error: in argument to unary !
potatoqueue.cpp:47:18: error: no matching function for call to ‘std::vector<int>::push_back()’
47 | st.push_back();
| ^
In file included from /usr/include/c++/9/vector:67,
from /usr/include/c++/9/functional:62,
from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/9/algorithm:71,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
from potatoqueue.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1184:7: note: candidate: ‘void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int;