Compilare: user.cpp: In function ‘int main()’: user.cpp:55:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(y.size()>ter) ter=y.size(); ^ user.cpp:82:24: warning: ‘py’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<px<<" "<<py<<"\n"<<megold<<"\n"; ^ user.cpp:82:15: warning: ‘px’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<px<<" "<<py<<"\n"<<megold<<"\n"; ^ user.cpp:61:14: warning: ‘megold’ may be used uninitialized in this function [-Wmaybe-uninitialized] char megold; ^