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  1. n = input().strip()
  2. k = len(n)
  3. if k == 1:
  4.     print(9)
  5. else:
  6.     print(k * (k + 1) // 2)
Success #stdin #stdout 0.13s 14084KB
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stdin
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2
stdout
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9
https://ideone.com/vdagAh
language:
Python 3 (python  3.12)
created:
6 days ago
visibility:
public

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