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  1. import math
  2. import sys
  3.  
  4. R = lambda :list(map(int,input().split()))
  5. t = int(input())
  6. #print(t)
  7. for i in range(t):
  8. 	print("Hi")
  9. 	n,k = R()
  10. 	p = math.factorial(n-1)/(math.factorial(k-1) * math.factorial(n-k))
  11. 	print(p)
  12.  
  13.  
Success #stdin #stdout 0.02s 9248KB
comments (?)
stdin 
2
10 10
30 7
stdout 
Hi
1.0
Hi
475020.0
https://ideone.com/XiJ1zl
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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