We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
WITH Ordered AS (
SELECT LAT_N,
ROW_NUMBER() OVER (ORDER BY LAT_N) AS rn,
COUNT(*) OVER () AS total
FROM STATION
)
SELECT ROUND(AVG(LAT_N), 4) AS median_lat_n
FROM Ordered
WHERE rn IN ((total + 1) / 2, (total + 2) / 2);
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website
Weather Observation Station 20
You are viewing a single comment's thread. Return to all comments →
Running code in MySQL
WITH Ordered AS ( SELECT LAT_N, ROW_NUMBER() OVER (ORDER BY LAT_N) AS rn, COUNT(*) OVER () AS total FROM STATION ) SELECT ROUND(AVG(LAT_N), 4) AS median_lat_n FROM Ordered WHERE rn IN ((total + 1) / 2, (total + 2) / 2);