Compilare: user.cpp: In function ‘int main()’: user.cpp:27:13: warning: variable ‘m3’ set but not used [-Wunused-but-set-variable] int pz1,pz2,m3,m4,m5; ^ user.cpp:27:16: warning: variable ‘m4’ set but not used [-Wunused-but-set-variable] int pz1,pz2,m3,m4,m5; ^ user.cpp:27:19: warning: variable ‘m5’ set but not used [-Wunused-but-set-variable] int pz1,pz2,m3,m4,m5; ^ user.cpp:49:33: warning: ‘pz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<mx<<" \n"<<pz1<<" "<<pz2; ^ user.cpp:49:20: warning: ‘pz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<mx<<" \n"<<pz1<<" "<<pz2; ^