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  1. cl, cr = [0 for i in range(28)], [0 for i in range(28)]
  2. for i in range(1000):
  3. 	cs = sum(int(d) - int('0') for d in str(i))
  4. 	if i >= 100: cl[cs] += 1
  5. 	cr[cs] += 1
  6. print(sum(cl[i] * cr[i] for i in range(28)))
  7.  
Success #stdin #stdout 0.02s 9936KB
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https://ideone.com/SaQEJX
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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