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  1. import sys
  2.  
  3. def isvalid(a, n, k):
  4.     if not isinstance(a, basestring):
  5.        a = ''.join(a) # `a` is a list of '1', '0'
  6.     return (len(a) == n and a.count('1') == k and a.count('0') == (n-k) and
  7.             all(p not in a for p in ['11', '101']))
  8.  
  9. for line in sys.stdin:
  10.     line = line.rstrip()
  11.     print("%s %s" % (line, isvalid(line, 5, 2)))
Success #stdin #stdout 0.03s 6360KB
comments (?)
stdin
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10010
00011
stdout
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10010 True
00011 False
https://ideone.com/7KEYJ
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
secret

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