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  1. Prepare
  2. Mathematics
  3. Number Theory
  4. nCr
  5. Discussions

nCr

  • macdonald_l_kyn
     + 0 comments

    5 test passes, anyone can recode my solution please

    def solve(n, r):
    fact = 1
    for i in range(max(r, n-r)+1, n+1):
        fact*=i
    return (fact//math.factorial(min(r, n-r)))%142857