Compilare: user.cpp: In function ‘int check()’: user.cpp:12:21: warning: unused variable ‘poz3’ [-Wunused-variable] int poz1, poz2, poz3, nr1 = 0, nr2 = 0, nr3 = 0; ^ user.cpp:12:45: warning: unused variable ‘nr3’ [-Wunused-variable] int poz1, poz2, poz3, nr1 = 0, nr2 = 0, nr3 = 0; ^ user.cpp:12:15: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int poz1, poz2, poz3, nr1 = 0, nr2 = 0, nr3 = 0; ^ user.cpp:27:29: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nr1 == 1 && nr2 == 1 && poz1 == poz2) ^