Coding Test

Leetcode - 603. Consecutive Available Seats

Indo Yoon

문제

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LeetCode

정답

SELECT seat_id
FROM
    (SELECT
            CASE
                WHEN LEAD(free,1) OVER (ORDER BY seat_id) = 1 AND free = 1 THEN seat_id
                WHEN LAG(free,1) OVER (ORDER BY seat_id) = 1 AND free = 1 THEN seat_id
            END AS seat_id
    FROM Cinema) AS Temp
WHERE seat_id IS NOT NULL