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  1. f=lambda n:sum([1for a in range(-n,n+1)for b in range(-n,n+1)if a**2+b**2==n])
  2. print f(input())
Success #stdin #stdout 0.02s 9024KB
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https://ideone.com/mLUeBU
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
public

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