/in/foo.cc: In function 'int main()':
/in/foo.cc:15:66: warning: 'Maxy' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (nowtime < abs(x-Maxx)+abs(y-Maxy)+Maxx+1 || !map[Maxx][Maxy])
                                                    ~~~~~~~~~~~~~~^
/in/foo.cc:6:12: note: 'Maxy' was declared here
   int Maxx,Maxy,Max = -99999;
            ^~~~
/in/foo.cc:15:66: warning: 'Maxx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (nowtime < abs(x-Maxx)+abs(y-Maxy)+Maxx+1 || !map[Maxx][Maxy])
                                                    ~~~~~~~~~~~~~~^
/in/foo.cc:6:7: note: 'Maxx' was declared here
   int Maxx,Maxy,Max = -99999;
       ^~~~