Problem	flip
User	yhkhoo
Submission Time	2023-12-02 17:57:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

flip.cpp: In function ‘int main()’:
flip.cpp:14:30: error: no matching function for call to ‘std::vector<std::pair<int, int> >::emplace(int&, int&)’
14 | al[u[i]].emplace(v[i], w[i]);
| ^
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 flip.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1245:2: note: candidate: ‘template<class ... _Args> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::emplace(std::vector<_Tp, _Alloc>::const_iterator, _Args&& ...) [with _Args = {_Args ...}; _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >]’
1245 | emplace(const_it