Eroare de compilare: user.cpp: In function ‘void bfs()’: user.cpp:31:25: error: no match for ‘operator[]’ (operand types are ‘std::ofstream {aka std::basic_ofstream<char>}’ and ‘int’) for (auto& v : g[x]) ^ user.cpp: In function ‘int main()’: user.cpp:51:18: error: ‘s’ was not declared in this scope pasi[s]=1; ^