解法一 解题思路: 我们需要找出至少在两天不同日期登录游戏的玩家 ID。可以通过对player_id进行分组,然后计算每个玩家不同日期的数量,最后筛选出数量大于等于 2 的玩家。 -- @lc app=leetcode.cn id=512 lang=sql-- Game Play AnalysisSELECTplayer_idFROMActivityGROUPBYplayer_idHAVINGCOUNT(DISTINCTevent_date)>...
Write an SQL query that reports for each install date, the number of players that installed the game on that day and the day 1 retention. The query result format is in the following example: Activity table: Result table: Player 1 and 3 installed the game on 2016-03-01 but only player ...
511. Game Play Analysis I shanshant 来自专栏 · shanshant数据分析专栏 3 人赞同了该文章 一、表信息 该表记录了游戏用户的行为信息,主键为(player_id, event_date)的组合。每一行记录每个游戏用户登录情况以及玩的游戏数(玩的游戏可能是0)。 (player_id, event_date) is the primary key of this ...
0511 Game Play Analysis I 80.8% Easy 0512 Game Play Analysis II 55.5% Easy 0513 Find Bottom Left Tree Value Go 61.5% Medium 0514 Freedom Trail 43.0% Hard 0515 Find Largest Value in Each Tree Row Go 61.1% Medium 0516 Longest Palindromic Subsequence 53.2% Medium 0517 Super Washing ...
a.player_id, datediff(b.event_date,a.first_log_date) as time1 from ( select player_id, min(event_date) as first_log_date from Activity group by player_id )a left join ( select player_id, event_date from Activity group by player_id,event_date )b on a.player_id=b.player_id gro...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
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该表记录了游戏用户的行为信息,主键为(player_id, event_date)的组合。每一行记录每个游戏用户登录情况以及玩的游戏数(玩的游戏可能是0)。 (player_id, event_date) is the primary key of this table. This table shows the activity of players of some game. Each row is a record of a player who lo...
https://github.com/MisterBooo/LeetCodeAnimation https://www.keithschwarz.com/interesting/ https://gitee.com/SnailClimb/JavaGuide https://github.com/dongyuanxin/blog https://leetcode.wang/ https://github.com/Xunzhuo/OI_Sharing https://github.com/TheAlgorithms/Java https://github.com/greyireland...
https://github.com/changgyhub/leetcode_101 https://github.com/youngyangyang04/leetcode-master https://light-city.club/ https://oi-wiki.org/ https://www.geeksforgeeks.org/advanced-data-structures/ https://doocs.github.io/#/README_CN https://github.com/IceLanguage/LinHowe_GameAlgorithm ht...