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Glenpl

Untitled

Jan 18th, 2015
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Python 0.29 KB | None | 0 0
  1. import sys
  2. def silnia(a, b):
  3.     wynik=1;
  4.     for x in range(a, b+1):
  5.         wynik*=i
  6.     return wynik
  7.  
  8. t = int(input())
  9. for x in range(0, t):
  10.     n = int(input())
  11.     k = int(input())
  12.     if k == 0:
  13.         print("1")
  14.     elif k == n:
  15.         print("1")
  16.     else:
  17.         print (silnia(k+1,n)/silnia(1,n-k))
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