dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | for(int u=l;u<v.size();u++) {
| ~^~~~~~~~~
dango3.cpp:38:33: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>&)'
38 | done.push_back(x), type[i].push_back(v[u]);
| ^
In file included from /usr/include/c++/10/vector:67,
from dango3.h:1,
from dango3.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
1187 | push_back(const value_type& __x)
| ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
1187 | push_back(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
1203 | push_back(value_type&& __x)
| ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
1203 | push_back(value_type&& __x)
| ~~~~~~~~~~~~~^~~