/in/foo.cc: In function 'bool fafa()':
/in/foo.cc:27:117: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if (Next.x < 0 || Next.x >= n || Next.y < 0 || Next.y >= m || a[Next.x][Next.y] == '#' || a[Next.x][Next.y] == 'T' && Next.num == 0 || Mark[Next.x][Next.y][Next.num])
                                                                                            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~