Compilare: user.cpp: In function ‘void citire()’: user.cpp:13:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y; ^ user.cpp: In function ‘int bmf()’: user.cpp:37:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[p].size();i++) ^ user.cpp:25:12: warning: variable ‘ok1’ set but not used [-Wunused-but-set-variable] int i, ok1, poz, p; ^ user.cpp:25:17: warning: unused variable ‘poz’ [-Wunused-variable] int i, ok1, poz, p; ^