View Compilation Error

0_0_13782687_28735.cpp: In function 'bool ok(node&)':
0_0_13782687_28735.cpp:19:76: error: expected ';' before '!' token
  return A.x >= 0 && A.x < n && A.y >= 0 && A.y < m && pic[A.x][A.y] != '#' !vis[A.x][A.y][A.k];
                                                                            ^