'''simple docstring'''





from __future__ import annotations





def      lowerCAmelCase_    ( snake_case_	:			list[list[int]]      )   ->				int:


     '''simple docstring'''




     for i in range(1 ,   len(matrix[0]      )      ):
          matrix[0][i] += matrix[0][i - 1]

     # preprocessing the first column
     for i in range(1 ,   len(snake_case_      )      ):
          matrix[i][0] += matrix[i - 1][0]

     # updating the path cost for current position
     for i in range(1 ,   len(snake_case_      )      ):
          for j in range(1 ,   len(matrix[0]      )      ):
               matrix[i][j] += min(matrix[i - 1][j] ,   matrix[i][j - 1]      )

     return matrix[-1][-1]


if __name__ == "__main__":
    import doctest

    doctest.testmod()





'''simple docstring'''





import os
import time

import pytest

from datasets.utils.filelock import FileLock, Timeout





def      lowerCAmelCase_    ( snake_case_	:			Union[str, Any]      )   ->				Optional[int]:


     '''simple docstring'''




     UpperCAmelCase_	   =       FileLock(str(tmpdir / "foo.lock"      )      )
     UpperCAmelCase_	   =       FileLock(str(tmpdir / "foo.lock"      )      )
     UpperCAmelCase_	   =       0.01
     with locka.acquire():
          with pytest.raises(snake_case_      ):
               UpperCAmelCase_	   =       time.time()
               locka.acquire(snake_case_      )
               assert time.time() - _start > timeout






def      lowerCAmelCase_    ( snake_case_	:			int      )   ->				Optional[int]:


     '''simple docstring'''




     UpperCAmelCase_	   =       "a" * 10_00 + ".lock"
     UpperCAmelCase_	   =       FileLock(str(tmpdir / filename      )      )
     assert locka._lock_file.endswith(".lock"      )
     assert not locka._lock_file.endswith(snake_case_      )
     assert len(os.path.basename(locka._lock_file      )      ) <= 2_55
     UpperCAmelCase_	   =       FileLock(tmpdir / filename      )
     with locka.acquire():
          with pytest.raises(snake_case_      ):
               locka.acquire(0      )




