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  1. __author__ = 'Zlobober'
  2.  
  3. n = int(raw_input())
  4. ans = 0
  5. for l in range(1, 11):
  6.     if (l == len(str(n))):
  7.         ans += (n - 10**(l-1) + 1) * l
  8.     elif (l < len(str(n))):
  9.         ans += (9 * 10**(l - 1)) * l
  10.     else:
  11.         break
  12.  
  13. print ans
Runtime error #stdin #stdout #stderr 0.01s 7692KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "prog.py", line 3, in <module>
EOFError: EOF when reading a line
https://ideone.com/QIF2sn
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
public

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