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2023-12-09 18:42:21 +08:00
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leetcode/problem/exchange-seats.html
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@@ -5,23 +5,23 @@
| Column Name | Type |
+-------------+---------+
| id | int |
| name | varchar |
| student | varchar |
+-------------+---------+
id is the primary key column for this table.
id is the primary key (unique value) column for this table.
Each row of this table indicates the name and the ID of a student.
id is a continuous increment.
</pre>
<p>&nbsp;</p>
<p>Write an SQL query to swap the seat id of every two consecutive students. If the number of students is odd, the id of the last student is not swapped.</p>
<p>Write a solution to swap the seat id of every two consecutive students. If the number of students is odd, the id of the last student is not swapped.</p>
<p>Return the result table ordered by <code>id</code> <strong>in ascending order</strong>.</p>
<p>The query result format is in the following example.</p>
<p>The result format is in the following example.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<p><strong class="example">Example 1:</strong></p>
<pre>
<strong>Input:</strong>