View Compilation Error

0_0_25044349_24806.cpp: In function 'int bfs()':
0_0_25044349_24806.cpp:41:17: error: 'struct Queue' has no member named 'dy'
      in.x=dx,in.dy=dy;
                 ^
0_0_25044349_24806.cpp:58:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_25044349_24806.cpp:127:1: error: expected '}' at end of input
 }
 ^