Eroare de compilare: user.cpp:2:20: error: hash_map: No such file or directory user.cpp:8: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'bool included(long long int, long long int)': user.cpp:11: error: 'hash_map' was not declared in this scope user.cpp:11: error: expected primary-expression before 'long' user.cpp:11: error: expected `;' before 'long' user.cpp:12: error: 'it' was not declared in this scope user.cpp:12: error: 'h' was not declared in this scope user.cpp: In function 'int main()': user.cpp:25: error: 'h' was not declared in this scope