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Mutable squares, immutable clues set

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Eryn Wells 2017-10-11 19:41:32 -07:00
parent e329208db9
commit 1549269661
1 changed files with 4 additions and 4 deletions
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8
sudoku/__init__.py
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@ -15,11 +15,11 @@ class Sudoku:
self._size = size
sz4 = size ** 4
if board:
self._board = bytes(board)[:sz4]
self._clues = set(i for i in range(len(self._board)) if self._board[i] != 0)
self._board = bytearray(board)[:sz4]
self._clues = frozenset(i for i in range(len(self._board)) if self._board[i] != 0)
else:
self._board = bytes(sz4)
self._clues = set()
self._board = bytearray(sz4)
self._clues = frozenset()
@property
def size(self):