/in/foo.cc: In function 'void moveAnt(int)':
/in/foo.cc:77:8: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(tx=cx+ax[i]<0||cx+ax[i]>n||cy+ay[i]<0||cy+ay[i]>m) continue;
      ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:87:9: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    if(tx=cx+bx[i%4]<0||cx+bx[i%4]>n||cy+by[i%4]<0||cy+by[i%4]>m) continue;
       ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~