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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Balanced-brackets/Python/balanced-brackets-3.py Normal file
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>>> import numpy as np
>>> from random import shuffle
>>> def gen(n):
... txt = list('[]' * n)
... shuffle(txt)
... return ''.join(txt)
...
>>> m = np.array([{'[': 1, ']': -1}.get(chr(c), 0) for c in range(128)])
>>> def balanced(txt):
... a = np.array(txt, 'c').view(np.uint8)
... return np.all(m[a].cumsum() >= 0)
...
>>> for txt in (gen(N) for N in range(10)):
... print ("%-22r is%s balanced" % (txt, '' if balanced(txt) else ' not'))
...
'' is balanced
'][' is not balanced
'[[]]' is balanced
'[]][][' is not balanced
']][]][[[' is not balanced
'[[]][[][]]' is balanced
'[][[]][[]]][' is not balanced
'[][[[]][[]]][]' is balanced
'[[][][[]]][[[]]]' is balanced
'][]][][[]][]][][[[' is not balanced