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def getMeanRankCount(rank):
  """
  This function takes the ranks of the students as input and returns an array
  containing the number of groups with a mean rank of i for each i in the range [1, n].

  Args:
    rank: The ranks of the students.

  Returns:
    An array containing the number of groups with a mean rank of i for each i in the range [1, n].
  """

  n = len(rank)
  count = [0] * n
  for i in range(n):
    sum = 0
    cnt = 1
    for j in range(i, n):
      if rank[j] <= rank[i]:
        sum += rank[j]
        cnt += 1
      else:
        break
    avg = sum / float(cnt)
    count[int(avg)] += 1
  return count