Compilare: user.cpp: In function ‘int main()’: user.cpp:29:13: warning: unused variable ‘aux’ [-Wunused-variable] int aux = q[l].second; ^ user.cpp:38:23: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << st << " " << dr << " " << mx << "\n"; ^ user.cpp:38:10: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << st << " " << dr << " " << mx << "\n"; ^