/in/foo.cc: In function 'int main()':
/in/foo.cc:4:13: error: expected ',' or ';' before 'long'
 #define int long long
             ^
/in/foo.cc:16:3: note: in expansion of macro 'int'
   int to[4][2]={{0,1},{0,-1},{-1,0},{1,0}};
   ^~~
/in/foo.cc:65:1: error: expected '}' at end of input
 }
 ^
/in/foo.cc:15:7: warning: unused variable 'des' [-Wunused-variable]
   int des=123804765
       ^~~
/in/foo.cc:65:1: error: expected '}' at end of input
 }
 ^