Compilare: user.cpp: In function ‘int main()’: user.cpp:45:20: warning: unused variable ‘j’ [-Wunused-variable] register int i,j,x,s,poz; ^ user.cpp:45:22: warning: unused variable ‘x’ [-Wunused-variable] register int i,j,x,s,poz; ^ user.cpp:69:29: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<sol<<" "<<st<<" "<<dr; ^ user.cpp:69:18: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<sol<<" "<<st<<" "<<dr; ^