Eroare de compilare: user.cpp:103:2: warning: no newline at end of file user.cpp: In function 'void BFS(int)': user.cpp:46: error: 'queue' was not declared in this scope user.cpp:46: error: expected primary-expression before 'int' user.cpp:46: error: expected `;' before 'int' user.cpp:49: error: 'q' was not declared in this scope user.cpp:54: warning: comparison between signed and unsigned integer expressions user.cpp:56: error: 'j' was not declared in this scope