Eroare de compilare: user.cpp:10: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'bool included(int, int)': user.cpp:18: error: 'hash_map' was not declared in this scope user.cpp:18: error: expected primary-expression before 'int' user.cpp:18: error: expected `;' before 'int' user.cpp:20: error: 'it' was not declared in this scope user.cpp:20: error: 'h' was not declared in this scope user.cpp: In function 'int main()': user.cpp:33: error: 'h' was not declared in this scope