leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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1141.sql (172B)

      1 SELECT activity_date AS day, 
      2        COUNT(DISTINCT user_id) AS active_users
      3 FROM Activity
      4 WHERE activity_date BETWEEN '2019-06-28' AND '2019-07-27'
      5 GROUP BY activity_date