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Update 571. Find Median Given Frequency of Numbers.sql

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -7,12 +7,13 @@ WITH cte AS(`
`7`	`7`	`),`
`8`	`8`	`cte2 AS(`
`9`	`9`	`SELECT number,frequency,`
`10`		`- CASE WHEN (LAG(e::INT,1,1) OVER w)=1 THEN (LAG(e::INT,1,1) OVER w) ELSE (LAG(e::INT,1,1) OVER w )+1 END AS s,e,t`
	`10`	`+ CASE WHEN (LAG(e::INT,1) OVER w) IS NULL THEN 1 ELSE (LAG(e::INT,1) OVER w)+1 END AS s,`
	`11`	`+ e,t`
`11`	`12`	`FROM cte`
`12`	`13`	`WINDOW w AS (ORDER BY number)`
`13`	`14`	`)`
`14`	`15`
`15`		`-SELECT ROUND(AVG(number),2)`
	`16`	`+SELECT ROUND(AVG(number),1)`
`16`	`17`	`FROM cte2`
`17`	`18`	`WHERE (t::NUMERIC/2 BETWEEN s AND e) OR (t::NUMERIC/2+1 BETWEEN s AND e);`
`18`	`19`

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