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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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6
Task/LZW-compression/Python/lzw-compression.py
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@ -31,13 +31,13 @@ def decompress(compressed):
# Build the dictionary.
dict_size = 256
dictionary = dict((chr(i), chr(i)) for i in xrange(dict_size))
# in Python 3: dictionary = {chr(i): chr(i) for i in range(dict_size)}
dictionary = dict((i, chr(i)) for i in xrange(dict_size))
# in Python 3: dictionary = {i: chr(i) for i in range(dict_size)}
# use StringIO, otherwise this becomes O(N^2)
# due to string concatenation in a loop
result = StringIO()
w = compressed.pop(0)
w = chr(compressed.pop(0))
result.write(w)
for k in compressed:
if k in dictionary: