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  1. a = raw_input()
  2. dl = len(a)
  3. wynik = 0
  4. if a[0] == "1":
  5. 	wynik = - (2**(dl-1))
  6. print wynik
  7. a = a[1:]
  8. wynik += int(a,2)
  9. print wynik
Success #stdin #stdout 0.01s 7900KB
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https://ideone.com/W6cJ6k
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
secret

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