LeetCode 534: Game Play Analysis III
Problem Restatement We are given a table named Activity . Each row records one player's activity on one date. It contains the player id, device id, event date, and number of games played. We need to report, for each player and each date, the total number of games the player has played so far up to that date. The output should contain: player_id event_date games_played_so_far The result may be returned...