Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:21:35: error: no match for ‘operator=’ (operand types are ‘std::vector<int>’ and ‘int’) phi[i] = i-1; ^ user.cpp:21:35: note: candidates are: In file included from /usr/include/c++/4.8/vector:69:0, from user.cpp:4: /usr/include/c++/4.8/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/include/c++/4.8/bits/vector.tcc:160:5: note: no known conversion for argument 1 from ‘int’ to ‘const std::vector<int>&’ In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:4: /usr/include/c++/4.8/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/include/c++/4.8/bits/stl_vector.h:439:7: note: no known conversion for argument 1 from ‘int’ to ‘std::vector<int>&&’ /usr/include/c++/4.8/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/include/c++/4.8/bits/stl_vector.h:461:7: note: no known conversion for argument 1 from ‘int’ to ‘std::initializer_list<int>’ user.cpp:25:44: error: no match for ‘operator-=’ (operand types are ‘std::vector<int>’ and ‘std::vector<int>’) phi[j] -= phi[i]; ^ user.cpp:28:30: error: no match for ‘operator+=’ (operand types are ‘long long int’ and ‘std::vector<int>’) nr+=phi[i]; ^