コンテストの制限時間が終了しました。
以降も提出を行うことができますが、順位集計には反映されません。
以降も提出を行うことができますが、順位集計には反映されません。
ソースコード
with seiki as ( --ちゃんと出るべきやつ
select a.*
from process_log as a
inner join process_log as b
on a.session_id = b.session_id
and a.ex_timestamp > b.ex_timestamp
and cast(substr(a.process_id,5,1) as int) -1 = cast(substr(b.process_id,5,1) as int)
)
,pettern2 as (--除外対象
select a.*
from process_log as a
left outer join seiki
on a.session_id = seiki.session_id
and a.process_id = seiki.process_id
and a.user_id = seiki.user_id
and a.ex_timestamp = seiki.ex_timestamp
where cast(substr(a.process_id,5,1) as int) > 1
and seiki.process_id is null
)
,pettern3 as (--除外対象より前のステップかつ処理があと
select a.*
from process_log as a
inner join pettern2
on a.session_id = pettern2.session_id
and cast(substr(a.process_id,5,1) as int) < cast(substr(pettern2.process_id,5,1) as int)
and a.ex_timestamp > pettern2.ex_timestamp
where cast(substr(a.process_id,5,1) as int) > 1
)
,pettern4 as (--除外対象より後のステップ
select a.*
from process_log as a
inner join
(select *
from pettern2
union all
select *
from pettern3
) as b
on a.session_id = b.session_id
and cast(substr(a.process_id,5,1) as int) > cast(substr(b.process_id,5,1) as int)
)
,exclusion as(
select *
from pettern2
union
select *
from pettern3
union
select *
from pettern4)
select a.process_id as PROCESS
,count(a.process_id) as CNT
from process_log as a
left outer join exclusion
on a.session_id = exclusion.session_id
and a.process_id = exclusion.process_id
and a.user_id = exclusion.user_id
and a.ex_timestamp = exclusion.ex_timestamp
where exclusion.session_id is null
group by a.process_id
order by a.PROCESS_ID
提出情報
提出日時 | 2024/02/17 22:14:23 |
コンテスト | 第10回 SQLコンテスト |
問題 | 顧客行動分析 |
受験者 | asterect |
状態 (詳細) | WA (Wrong Answer: 誤答) |
メモリ使用量 | 86 MB |
メッセージ
テストケース(通過数/総数)
2/4
状態
メモリ使用量
データパターン1
AC
85 MB
データパターン2
AC
85 MB
データパターン3
WA
86 MB
データパターン4
WA
83 MB