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  1. import random as rn
  2. n =10
  3. h = [0] * n
  4. rep =False
  5. lastlast = rn.randrange(0, n)
  6. last = (lastlast + rn.randrange(1, n)) % n
  7. for i in range(n * 100000):
  8.     r = (lastlast + rn.randrange(1, n - 1)) % n
  9.     if r == last:
  10.         r = (lastlast + n - 1) % n
  11.     if r == last or r == lastlast:
  12.         rep = True
  13.     lastlast = last
  14.     last = r
  15.     h[last] += 1
  16.     #print(last)
  17. if rep:
  18.     print("failed")
  19. else:
  20.     print("freqs", h)
Success #stdin #stdout 1.56s 36944KB
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Standard input is empty
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freqs [99850, 99803, 100590, 99944, 99813, 99939, 100225, 99913, 100063, 99860]
https://ideone.com/XVnd3u
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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