"""simple docstring"""






import os
import string
import sys


__A			   = 1 << 8

__A			   = {
    "tab": ord("\t"),
    "newline": ord("\r"),
    "esc": 2_7,
    "up": 6_5 + ARROW_KEY_FLAG,
    "down": 6_6 + ARROW_KEY_FLAG,
    "right": 6_7 + ARROW_KEY_FLAG,
    "left": 6_8 + ARROW_KEY_FLAG,
    "mod_int": 9_1,
    "undefined": sys.maxsize,
    "interrupt": 3,
    "insert": 5_0,
    "delete": 5_1,
    "pg_up": 5_3,
    "pg_down": 5_4,
}

__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(1_0):
       __A			   = ord(str(i))



def SCREAMING_SNAKE_CASE__			(   )  ->  Union[str, Any]:
   if os.name == "nt":
      import msvcrt

      lowercase__:   int					=      '''mbcs'''
      # Flush the keyboard buffer
      while msvcrt.kbhit():
         msvcrt.getch()
      if len(__UpperCAmelCase ) == 0:
         # Read the keystroke
         lowercase__:   str					=      msvcrt.getch()

         # If it is a prefix char, get second part
         if ch in (b"\x00", b"\xe0"):
            lowercase__:   List[Any]					=      ch + msvcrt.getch()
            # Translate actual Win chars to bullet char types
            try:
               lowercase__:   int					=      chr(WIN_KEYMAP[cha] )
               WIN_CH_BUFFER.append(chr(KEYMAP['''mod_int'''] ) )
               WIN_CH_BUFFER.append(__UpperCAmelCase )
               if ord(__UpperCAmelCase ) in (
                   KEYMAP["insert"] - 1 << 9,
                   KEYMAP["delete"] - 1 << 9,
                   KEYMAP["pg_up"] - 1 << 9,
                   KEYMAP["pg_down"] - 1 << 9,
               ):
                  WIN_CH_BUFFER.append(chr(1_2_6 ) )
               lowercase__:   List[str]					=      chr(KEYMAP['''esc'''] )
            except KeyError:
               lowercase__:   Any					=      cha[1]
         else:
            lowercase__:   str					=      ch.decode(__UpperCAmelCase )
      else:
         lowercase__:   int					=      WIN_CH_BUFFER.pop(0 )
   elif os.name == "posix":
      import termios
      import tty

      lowercase__:   Tuple					=      sys.stdin.fileno()
      lowercase__:   Any					=      termios.tcgetattr(__UpperCAmelCase )
      try:
         tty.setraw(__UpperCAmelCase )
         lowercase__:   Union[str, Any]					=      sys.stdin.read(1 )
      finally:
         termios.tcsetattr(__UpperCAmelCase       ,    termios.TCSADRAIN       ,    __UpperCAmelCase )
   return ch




def SCREAMING_SNAKE_CASE__			(   )  ->  Dict:
   lowercase__:   Optional[int]					=      get_raw_chars()
   if ord(__UpperCAmelCase ) in [KEYMAP["interrupt"], KEYMAP["newline"]]:
      return char

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

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

"""simple docstring"""






def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase )  ->  int:

   if not grid or not grid[0]:
      raise TypeError('''The grid does not contain the appropriate information''' )

   for cell_n in range(1       ,    len(grid[0] ) ):
      grid[0][cell_n] += grid[0][cell_n - 1]
   lowercase__:   Tuple					=      grid[0]

   for row_n in range(1       ,    len(__UpperCAmelCase ) ):
      lowercase__:   Tuple					=      grid[row_n]
      lowercase__:   Dict					=      fill_row(__UpperCAmelCase       ,    __UpperCAmelCase )
      lowercase__:   Union[str, Any]					=      grid[row_n]

   return grid[-1][-1]



def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase       ,    __UpperCAmelCase )  ->  list:
   current_row[0] += row_above[0]
   for cell_n in range(1       ,    len(__UpperCAmelCase ) ):
      current_row[cell_n] += min(current_row[cell_n - 1]       ,    row_above[cell_n] )

   return current_row


if __name__ == "__main__":
       import doctest

       doctest.testmod()
