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Author: ggeerraarrdd

README.md

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 [![eevveerryyddaayy release](https://img.shields.io/badge/eevveerryyddaayy-v1.3.0-blue.svg)](https://github.com/ggeerraarrdd/eevveerryyddaayy/)
-[![Solved](https://img.shields.io/badge/solved-176-green.svg)](#index)
+[![Solved](https://img.shields.io/badge/solved-177-green.svg)](#index)
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 # SQL Everyday
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 | 174   | [Highest Salaries Difference](https://leetcode.com/problems/highest-salaries-difference/description/)                                                             | [Solution](solutions/174_highest_salaries_difference.md)                                | LeetCode    | Easy         |                                                                     |
 | 175   | [Form a Chemical Bond](https://leetcode.com/problems/form-a-chemical-bond/description/)                                                                           | [Solution](solutions/175_form_a_chemical_bond.md)                                       | LeetCode    | Easy         | `CROSS JOIN`                                                        |
 | 176   | [Concatenate the Name and the Profession](https://leetcode.com/problems/concatenate-the-name-and-the-profession/description/)                                     | [Solution](solutions/176_concatenate_the_name_and_the_profession.md)                    | LeetCode    | Easy         | `SUBSTRING` vs `LEFT`                                               |
+| 177   | [Consecutive Available Seats](https://leetcode.com/problems/consecutive-available-seats/description/)                                                             | [Solution](solutions/177_consecutive_available_seats.md)                                | LeetCode    | Easy         |                                                                     |
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solutions/177_consecutive_available_seats.md

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+# SQL Everyday \#177
+
+## Consecutive Available Seats
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Find all the consecutive available seats in the cinema.
+
+Return the result table **ordered** by `seat_id` **in ascending order**. [[Full Description](https://leetcode.com/problems/consecutive-available-seats/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+WITH cte1 AS (
+    SELECT
+        seat_id
+        ,free
+        ,LEAD(free) OVER (ORDER BY seat_id ASC) AS leadcol
+        ,LAG(free) OVER (ORDER BY seat_id ASC) AS lagcol
+    FROM Cinema
+),
+cte2 AS (
+    SELECT
+        *
+        ,CASE WHEN free = 1 AND leadcol = 1 AND lagcol IS NULL THEN seat_id 
+            WHEN free = 1 AND leadcol = 1 AND lagcol = 0 THEN seat_id
+            WHEN free = 1 AND leadcol = 1 AND lagcol = 1 THEN seat_id
+            WHEN free = 1 AND leadcol IS NULL AND lagcol = 1 THEN seat_id
+            WHEN free =1 AND leadcol = 0 AND lagcol = 1 THEN seat_id
+    END AS consec
+    FROM cte1
+)
+SELECT
+    consec AS seat_id
+FROM cte2
+WHERE consec IS NOT NULL
+;
+```
+
+## Site Solution
+
+```sql
+-- LeetCode Solution 
+select distinct a.seat_id
+from cinema a join cinema b
+  on abs(a.seat_id - b.seat_id) = 1
+  and a.free = true and b.free = true
+order by a.seat_id
+;
+
+-- Code Author: Clayton Wong
+-- https://leetcode.com/problems/consecutive-available-seats/solutions/597149/mysql-solution
+SELECT seat_id
+FROM cinema
+WHERE free = 1 AND (
+    seat_id - 1 IN (SELECT seat_id FROM cinema WHERE free = 1)
+    OR
+    seat_id + 1 IN (SELECT seat_id FROM cinema WHERE free = 1)
+);
+```
+
+## Notes
+
+TBD
+
+## NB
+
+TBD
+
+Go to [Index](../?tab=readme-ov-file#index)\
+Go to [Overview](../?tab=readme-ov-file)