import os
import string
import sys


__A     =    1 << 8

__A     =    {
    "tab": ord("\t"),
    "newline": ord("\r"),
    "esc": 27,
    "up": 65 + ARROW_KEY_FLAG,
    "down": 66 + ARROW_KEY_FLAG,
    "right": 67 + ARROW_KEY_FLAG,
    "left": 68 + ARROW_KEY_FLAG,
    "mod_int": 91,
    "undefined": sys.maxsize,
    "interrupt": 3,
    "insert": 50,
    "delete": 51,
    "pg_up": 53,
    "pg_down": 54,
}

__A     =    KEYMAP["up"]
__A     =    KEYMAP["left"]

if sys.platform == "win32":
     __A     =    []
     __A     =    {
         b"\xe0H": KEYMAP["up"] - ARROW_KEY_FLAG,
         b"\x00H": KEYMAP["up"] - ARROW_KEY_FLAG,
         b"\xe0P": KEYMAP["down"] - ARROW_KEY_FLAG,
         b"\x00P": KEYMAP["down"] - ARROW_KEY_FLAG,
         b"\xe0M": KEYMAP["right"] - ARROW_KEY_FLAG,
         b"\x00M": KEYMAP["right"] - ARROW_KEY_FLAG,
         b"\xe0K": KEYMAP["left"] - ARROW_KEY_FLAG,
         b"\x00K": KEYMAP["left"] - ARROW_KEY_FLAG,
     }

for i in range(10):
     __A     =    ord(str(i))





def 					lowerCAmelCase_			(	)					->		Optional[Any]:







  """simple docstring"""





  if os.name == "nt":
    import msvcrt

    lowerCamelCase__:				Optional[Any]        ="mbcs"
    # Flush the keyboard buffer
    while msvcrt.kbhit():
      msvcrt.getch()
    if len(__a		) == 0:
      # Read the keystroke
      lowerCamelCase__:				Optional[int]        =msvcrt.getch()

      # If it is a prefix char, get second part
      if ch in (b"\x00", b"\xe0"):
        lowerCamelCase__:				List[str]        =ch + msvcrt.getch()
        # Translate actual Win chars to bullet char types
        try:
          lowerCamelCase__:				Optional[Any]        =chr(WIN_KEYMAP[cha]		)
          WIN_CH_BUFFER.append(chr(KEYMAP["mod_int"]		)		)
          WIN_CH_BUFFER.append(__a		)
          if ord(__a		) in (
              KEYMAP["insert"] - 1 << 9,
              KEYMAP["delete"] - 1 << 9,
              KEYMAP["pg_up"] - 1 << 9,
              KEYMAP["pg_down"] - 1 << 9,
          ):
            WIN_CH_BUFFER.append(chr(126		)		)
          lowerCamelCase__:				List[str]        =chr(KEYMAP["esc"]		)
        except KeyError:
          lowerCamelCase__:				Any        =cha[1]
      else:
        lowerCamelCase__:				Dict        =ch.decode(__a		)
    else:
      lowerCamelCase__:				Any        =WIN_CH_BUFFER.pop(0		)
  elif os.name == "posix":
    import termios
    import tty

    lowerCamelCase__:				int        =sys.stdin.fileno()
    lowerCamelCase__:				Optional[int]        =termios.tcgetattr(__a		)
    try:
      tty.setraw(__a		)
      lowerCamelCase__:				int        =sys.stdin.read(1		)
    finally:
      termios.tcsetattr(__a     ,   termios.TCSADRAIN     ,   __a		)
  return ch






def 					lowerCAmelCase_			(	)					->		Optional[Any]:







  """simple docstring"""





  lowerCamelCase__:				Optional[Any]        =get_raw_chars()
  if ord(__a		) in [KEYMAP["interrupt"], KEYMAP["newline"]]:
    return char

  elif ord(__a		) == KEYMAP["esc"]:
    lowerCamelCase__:				List[Any]        =get_raw_chars()
    if ord(__a		) == KEYMAP["mod_int"]:
      lowerCamelCase__:				int        =get_raw_chars()
      if ord(__a		) >= KEYMAP["arrow_begin"] - ARROW_KEY_FLAG and ord(__a		) <= KEYMAP["arrow_end"] - ARROW_KEY_FLAG:
        return chr(ord(__a		) + ARROW_KEY_FLAG		)
      else:
        return KEYMAP["undefined"]
    else:
      return get_raw_chars()

  else:
    if char in string.printable:
      return char
    else:
      return KEYMAP["undefined"]








def 					lowerCAmelCase_			(	__a     ,   __a		)					->		Tuple:







  """simple docstring"""





  assert x is not None
  assert y is not None

  lowerCamelCase__:				Any        =len(__a		)
  lowerCamelCase__:				int        =len(__a		)

  # declaring the array for storing the dp values
  lowerCamelCase__:				List[Any]        =[[0] * (n + 1) for _ in range(m + 1		)]  # noqa: E741

  for i in range(1     ,   m + 1		):
    for j in range(1     ,   n + 1		):
      lowerCamelCase__:				str        =1 if x[i - 1] == y[j - 1] else 0

      lowerCamelCase__:				str        =max(l[i - 1][j]     ,   l[i][j - 1]     ,   l[i - 1][j - 1] + match		)

  lowerCamelCase__:				Any        =""
  lowerCamelCase__  , lowerCamelCase__:				str        =m, n
  while i > 0 and j > 0:
    lowerCamelCase__:				Union[str, Any]        =1 if x[i - 1] == y[j - 1] else 0

    if l[i][j] == l[i - 1][j - 1] + match:
      if match == 1:
        lowerCamelCase__:				Any        =x[i - 1] + seq
      i -= 1
      j -= 1
    elif l[i][j] == l[i - 1][j]:
      i -= 1
    else:
      j -= 1

  return l[m][n], seq


if __name__ == "__main__":
     __A     =    "AGGTAB"
     __A     =    "GXTXAYB"
     __A     =    4
     __A     =    "GTAB"

     __A ,     __A     =    longest_common_subsequence(a, b)
     print("len =", ln, ", sub-sequence =", subseq)
     import doctest

     doctest.testmod()

