




'''simple docstring'''





def       lowerCAmelCase_     (					__A						:							Optional[Any] ):




			'''simple docstring'''


			snake_case:       Optional[int]        =       len(_lowercase )
			snake_case:       str        =       len(matrix[0] )
			snake_case:       int        =       min(_lowercase ,			_lowercase )

			for row in range(_lowercase ):
						# Check if diagonal element is not zero
						if matrix[row][row] != 0:
									# Eliminate all the elements below the diagonal
									for col in range(row + 1 ,			_lowercase ):
												snake_case:       str        =       matrix[col][row] / matrix[row][row]
												for i in range(_lowercase ,			_lowercase ):
															matrix[col][i] -= multiplier * matrix[row][i]
						else:
									# Find a non-zero diagonal element to swap rows
									snake_case:       str        =       True
									for i in range(row + 1 ,			_lowercase ):
												if matrix[i][row] != 0:
															snake_case    ,						snake_case:       int        =       matrix[i], matrix[row]
															snake_case:       Optional[int]        =       False
															break
									if reduce:
												rank -= 1
												for i in range(_lowercase ):
															snake_case:       Optional[int]        =       matrix[i][rank]

            # Reduce the row pointer by one to stay on the same row
									row -= 1

			return rank


if __name__ == "__main__":
			import doctest

			doctest.testmod()



def 		_A		(		_lowercase )					-> int:


     """simple docstring"""


     assert column_title.isupper()
     __UpperCamelCase =			0
     __UpperCamelCase =			len(_lowercase ) - 1
     __UpperCamelCase =			0

     while index >= 0:
          __UpperCamelCase =			(ord(column_title[index] ) - 64) * pow(26					,  _lowercase )
          answer += value
          power += 1
          index -= 1

     return answer


if __name__ == "__main__":
    from doctest import testmod

    testmod()


