Eroare de compilare: user.cpp:4:20: error: hash_map: No such file or directory user.cpp:7: error: expected constructor, destructor, or type conversion before '<' token user.cpp:8: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'int main()': user.cpp:37: error: 'it' was not declared in this scope user.cpp:37: error: 'H' was not declared in this scope user.cpp:47: error: 'it' was not declared in this scope user.cpp:47: error: 'H' was not declared in this scope user.cpp:55: error: 'it' was not declared in this scope user.cpp:55: error: 'H' was not declared in this scope