Eroare de compilare: user.cpp:2:24: error: unordered_map: No such file or directory user.cpp:32:2: warning: no newline at end of file user.cpp:5: error: expected constructor, destructor, or type conversion before '<' token user.cpp:6: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'int main()': user.cpp:14: error: 'n' was not declared in this scope user.cpp:14: error: 'l' was not declared in this scope user.cpp:15: error: 'i' was not declared in this scope user.cpp:16: error: 'a' was not declared in this scope user.cpp:19: error: 'j' was not declared in this scope user.cpp:20: error: 'm' was not declared in this scope user.cpp:20: error: 'a' was not declared in this scope user.cpp:21: error: 'j' was not declared in this scope user.cpp:24: error: 'm' was not declared in this scope user.cpp:24: error: 'a' was not declared in this scope user.cpp:26: error: 'm' was not declared in this scope user.cpp:26: error: 'a' was not declared in this scope user.cpp:30: error: 'unordered_map' was not declared in this scope user.cpp:31: error: expected `;' before 'return'