/in/foo.cc: In function 'Edge Query(int, int, int, int, int)':
/in/foo.cc:50:15: warning: '*((void*)& ansr +12)' may be used uninitialized in this function [-Wmaybe-uninitialized]
     Edge ansl,ansr;
               ^~~~
/in/foo.cc:50:15: warning: 'ansr.Edge::ml' may be used uninitialized in this function [-Wmaybe-uninitialized]
/in/foo.cc:50:15: warning: '*((void*)& ansr +4)' may be used uninitialized in this function [-Wmaybe-uninitialized]