Eroare de compilare in evaluator: user.cpp:6:20: error: hash_map: No such file or directory user.cpp:8: error: '__gnu_cxx::hash_map' has not been declared user.cpp: In function 'int main()': user.cpp:20: error: 'hash_map' was not declared in this scope user.cpp:20: error: expected primary-expression before 'unsigned' user.cpp:20: error: expected `;' before 'unsigned' user.cpp:26: error: 'Q' was not declared in this scope user.cpp:35: warning: comparison between signed and unsigned integer expressions user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp:44: warning: comparison between signed and unsigned integer expressions