Eroare de compilare: user.cpp: In function ‘void bfs()’: user.cpp:18:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<graf[c[p]].size()&&v[graf[c[p]]]==0;i++) ^ user.cpp:18:39: error: no match for ‘operator[]’ (operand types are ‘int [50001]’ and ‘std::vector<int>’) for(i=0;i<graf[c[p]].size()&&v[graf[c[p]]]==0;i++) ^ user.cpp:20:25: error: no match for ‘operator=’ (operand types are ‘std::vector<int>’ and ‘int’) v[graf[c[p]]=1; ^ user.cpp:20:25: note: candidates are: In file included from /usr/local/include/c++/4.8.0/vector:69:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/vector.tcc:160:5: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>] vector<_Tp, _Alloc>:: ^ /usr/local/include/c++/4.8.0/bits/vector.tcc:160:5: note: no known conversion for argument 1 from ‘int’ to ‘const std::vector<int>&’ In file included from /usr/local/include/c++/4.8.0/vector:64:0, from user.cpp:2: /usr/local/include/c++/4.8.0/bits/stl_vector.h:439:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>] operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move()) ^ /usr/local/include/c++/4.8.0/bits/stl_vector.h:439:7: note: no known conversion for argument 1 from ‘int’ to ‘std::vector<int>&&’ /usr/local/include/c++/4.8.0/bits/stl_vector.h:461:7: note: std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>] operator=(initializer_list<value_type> __l) ^ /usr/local/include/c++/4.8.0/bits/stl_vector.h:461:7: note: no known conversion for argument 1 from ‘int’ to ‘std::initializer_list<int>’ user.cpp:20:27: error: expected ‘]’ before ‘;’ token v[graf[c[p]]=1; ^ user.cpp:14:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,p,u,a; ^ user.cpp:14:15: warning: unused variable ‘u’ [-Wunused-variable] int i,j,p,u,a; ^ user.cpp: In function ‘int main()’: user.cpp:34:19: warning: unused variable ‘grad’ [-Wunused-variable] int n,m,i,a,b,grad,j; ^ user.cpp:34:24: warning: unused variable ‘j’ [-Wunused-variable] int n,m,i,a,b,grad,j; ^