




import os




def  SCREAMING_SNAKE_CASE     (	__UpperCamelCase      :						str = "matrix.txt"				)  ->							int:
    with open(os.path.join(os.path.dirname(__UpperCamelCase				)	,					__UpperCamelCase				)				) as in_file:
        UpperCAmelCase_										=					in_file.read()

    UpperCAmelCase_										=					[[int(__UpperCamelCase				) for cell in row.split(''','''				)] for row in data.strip().splitlines()]
    UpperCAmelCase_										=					[[0 for cell in row] for row in grid]
    UpperCAmelCase_										=					len(grid[0]				)

    UpperCAmelCase_										=					[[0 for i in range(__UpperCamelCase				)] for j in range(__UpperCamelCase				)]
    UpperCAmelCase_										=					grid[0][0]
    for i in range(1	,					__UpperCamelCase				):
        UpperCAmelCase_										=					grid[0][i] + dp[0][i - 1]
    for i in range(1	,					__UpperCamelCase				):
        UpperCAmelCase_										=					grid[i][0] + dp[i - 1][0]

    for i in range(1	,					__UpperCamelCase				):
        for j in range(1	,					__UpperCamelCase				):
            UpperCAmelCase_										=					grid[i][j] + min(dp[i - 1][j]	,					dp[i][j - 1]				)

    return dp[-1][-1]


if __name__ == "__main__":
 print(F"{solution() = }")











def  SCREAMING_SNAKE_CASE     (	__UpperCamelCase      :						float	,					__UpperCamelCase      :						float				)  ->							float:

    if density <= 0:
        raise ValueError('''Impossible fluid density'''				)
    if bulk_modulus <= 0:
        raise ValueError('''Impossible bulk modulus'''				)

    return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
 import doctest

 doctest.testmod()





