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  1. r = [3, 2, 2]
  2. rl = range(len(r))
  3. ni = [sum(r[j] + 1 for j in rl if j != i) for i in rl]
  4. ki = [n*(n - 1) for n in ni]
  5. k = sum(ki)
  6. print(k)
  7.  
Success #stdin #stdout 0.01s 7728KB
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https://ideone.com/Wr2iYd
language:
Python (cpython 2.7.16)
created:
11 years ago
visibility:
public

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