message: Update count-strictly-increasing-subarrays.py
diff: # two pointers
  class Solution(object):
  + def countSubarrays(self, nums):
  + """
  + :type nums: List[int]
  + :rtype: int
  + """
  + result = l = 1
  + for i in xrange(1, len(nums)):
  + if nums[i-1] >= nums[i]:
  + l = 0
  + l += 1
  + result += l
  + return result
  +
  +
  +# Time: O(n)
  +# Space: O(1)
  +# two pointers
  +class Solution2(object):
  def countSubarrays(self, nums):
  """
  :type nums: List[int]
  