Eroare de compilare: user.cpp: In function `int verifica(int, int, int)': user.cpp:20: error: `viz' undeclared (first use this function) user.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.) user.cpp:41: warning: label `exit_loop' defined but not used user.cpp:30: warning: label `exit_lup' defined but not used user.cpp:68:2: warning: no newline at end of file