626. Exchange Seats LeetCode Solution

In this guide, you will get 626. Exchange Seats LeetCode Solution with the best time and space complexity. The solution to Exchange Seats problem is provided in various programming languages like C++, Java, and Python. This will be helpful for you if you are preparing for placements, hackathons, interviews, or practice purposes. The solutions provided here are very easy to follow and include detailed explanations.

Table of Contents

1. Problem Statement
2. Complexity Analysis
3. Exchange Seats solution in C++
4. Exchange Seats solution in Java
5. Exchange Seats solution in Python
6. Additional Resources

Problem Statement of Exchange Seats

Table: Seat

+————-+———+
| Column Name | Type |
+————-+———+
| id | int |
| student | varchar |
+————-+———+
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.
The ID sequence always starts from 1 and increments continuously.

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.
Return the result table ordered by id in ascending order.
The result format is in the following example.

Example not found

Constraints not found

Complexity Analysis

• Time Complexity: Google AdSense
• Space Complexity: Google Analytics

626. Exchange Seats LeetCode Solution in C++

SELECT
  ROW_NUMBER() OVER(ORDER BY IF(MOD(id, 2) = 0, id - 1, id + 1)) AS id,
  student
FROM Seat;
/* code provided by PROGIEZ */

626. Exchange Seats LeetCode Solution in Java

N/A
// code provided by PROGIEZ

626. Exchange Seats LeetCode Solution in Python

N/A
 # code by PROGIEZ

Additional Resources

• Explore all LeetCode problem solutions at Progiez here
• Explore all problems on LeetCode website here

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