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  1. def zcount(n):
  2.     s = 0
  3.     length = len(str(n))
  4.     for i in range(1,length-1):
  5.         s += i*9
  6.     for i in range(0,length):
  7.         s += int(str(n)[i])*(length-i-1)
  8.     return s
Success #stdin #stdout 0.01s 7892KB
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https://ideone.com/wCLHa2
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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