/in/foo.cc: In member function 'void _game::init()':
/in/foo.cc:64:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   n = m = over = target = turretcnt = damage = radius = antcnt = antsum = 0;
                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:111:7: warning: 'dir' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int dir, maxinfo = -1, x = ant[id].x, y = ant[id].y;
       ^~~