Compilare: user.cpp: In function ‘int main()’: user.cpp:52:48: warning: narrowing conversion of ‘(((int)sor.std::queue<_Tp, _Sequence>::front<cord, std::deque<cord, std::allocator<cord> > >().cord::x) + -1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] sor.push({sor.front().x-1, sor.front().y}); ^ user.cpp:56:48: warning: narrowing conversion of ‘(((int)sor.std::queue<_Tp, _Sequence>::front<cord, std::deque<cord, std::allocator<cord> > >().cord::x) + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] sor.push({sor.front().x+1, sor.front().y}); ^ user.cpp:60:63: warning: narrowing conversion of ‘(((int)sor.std::queue<_Tp, _Sequence>::front<cord, std::deque<cord, std::allocator<cord> > >().cord::y) + -1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] sor.push({sor.front().x, sor.front().y-1}); ^ user.cpp:64:63: warning: narrowing conversion of ‘(((int)sor.std::queue<_Tp, _Sequence>::front<cord, std::deque<cord, std::allocator<cord> > >().cord::y) + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] sor.push({sor.front().x, sor.front().y+1}); ^