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  1. a=b=k=r=1
  2. exec'a=a*k+b;b*=k;k+=1;'*input()
  3. while r*a%b:r+=1
  4. print r
Success #stdin #stdout 3s 8976KB
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https://ideone.com/RBXZCS
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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