So far over since Aug,2020 we have solved 1000+ problems and published their video solutions. We daily publish solutions to leetcode monthly challenges. We also solve leetcode weekly contest questions ...

There is no primary key for this table, it may have duplicate rows. The activity_type column is an ENUM of type ('open_session', 'end_session', 'scroll_down', 'send_message'). The table shows the user ...