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  1. import math
  2. n, k = map(int, input().split())
  3. print(math.comb(n-1, k-1))
Success #stdin #stdout 0.07s 13984KB
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107196674080761936594
https://ideone.com/jMdn6k
language:
Python 3 (python  3.12)
created:
15 hours ago
visibility:
public

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