Eroare de compilare: user.cpp:3:24: error: unordered_map: No such file or directory user.cpp:8: error: 'tr1' is not a namespace-name user.cpp:8: error: expected namespace-name before ';' token user.cpp:16: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'void dfs2(int)': user.cpp:51: error: 'A' was not declared in this scope user.cpp:64: error: 'unordered_map' was not declared in this scope user.cpp:64: error: expected primary-expression before 'int' user.cpp:64: error: expected `;' before 'int' user.cpp:65: error: 'A' was not declared in this scope user.cpp:69: error: 'ittmap' was not declared in this scope