Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Search
⌘K
Get Premium
Leetcode 1141. User Activity for the Past 30 Days I
Count daily active users for the 30-day period ending 2019-07-27 by grouping activities by activity_date and reporting the number of distinct user_id per day (exclude days with zero activity). The Activity table may contain duplicate rows, so ensure users are counted uniquely per day.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.