Compilare: user.cpp: In function ‘void lee()’: user.cpp:17:24: warning: unused variable ‘ok’ [-Wunused-variable] int urmi,urmj,k=1,ok=0,istop,jstop; ^ user.cpp:60:35: warning: ‘jstop’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(urmi==istop && urmj==jstop) {break;out<<k<<endl;} ^ user.cpp:60:20: warning: ‘istop’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(urmi==istop && urmj==jstop) {break;out<<k<<endl;} ^