/in/foo.cc: In function 'int get(int, int, int, int)':
/in/foo.cc:11:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   11 |         if(y1<0&&y<0||y1>0&&y>0) return abs(x-x1)+abs(y-y1);
      |            ~~~~^~~~~
/in/foo.cc:30:1: warning: control reaches end of non-void function [-Wreturn-type]
   30 | }
      | ^