garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:36:43: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int&, int)'
vec[r[i][0]].push_back(r[i][1],m-i);
^
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/functional:61,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:71,
from garden.cpp:3:
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
push_back(const value_type& __x)
^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
push_back(value_type&& __x)
^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate expects 1 argument, 2 provided
garden.cpp:37:43: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int&, int)'
vec[r[i][1]].push_back(r[i][0],m-i);
^
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/functional:61,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:71,
from garden.cpp:3:
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
push_back(const value_type& __x)
^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:939:7: note: candidate expects 1 argument, 2 provided
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<int, int>]
push_back(value_type&& __x)
^~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:953:7: note: candidate expects 1 argument, 2 provided
garden.cpp:45:12: error: return-statement with a value, in function returning 'void' [-fpermissive]
return cnt;
^~~