mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-27 02:30:28 +08:00
80 lines
6.6 KiB
JSON
80 lines
6.6 KiB
JSON
{
|
||
"data": {
|
||
"question": {
|
||
"questionId": "626",
|
||
"questionFrontendId": "626",
|
||
"categoryTitle": "Database",
|
||
"boundTopicId": 1521,
|
||
"title": "Exchange Seats",
|
||
"titleSlug": "exchange-seats",
|
||
"content": "<p>Table: <code>Seat</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| name | varchar |\n+-------------+---------+\nid is the primary key column for this table.\nEach row of this table indicates the name and the ID of a student.\nid is a continuous increment.\n</pre>\n\n<p> </p>\n\n<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>\n\n<p>Return the result table ordered by <code>id</code> <strong>in ascending order</strong>.</p>\n\n<p>The query result format is in the following example.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nSeat table:\n+----+---------+\n| id | student |\n+----+---------+\n| 1 | Abbot |\n| 2 | Doris |\n| 3 | Emerson |\n| 4 | Green |\n| 5 | Jeames |\n+----+---------+\n<strong>Output:</strong> \n+----+---------+\n| id | student |\n+----+---------+\n| 1 | Doris |\n| 2 | Abbot |\n| 3 | Green |\n| 4 | Emerson |\n| 5 | Jeames |\n+----+---------+\n<strong>Explanation:</strong> \nNote that if the number of students is odd, there is no need to change the last one's seat.\n</pre>\n",
|
||
"translatedTitle": "换座位",
|
||
"translatedContent": "<p>表: <code>Seat</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| name | varchar |\n+-------------+---------+\nId是该表的主键列。\n该表的每一行都表示学生的姓名和ID。\nId是一个连续的增量。\n</pre>\n\n<p> </p>\n\n<p>编写SQL查询来交换每两个连续的学生的座位号。如果学生的数量是奇数，则最后一个学生的id不交换。</p>\n\n<p>按 <code>id</code> <strong>升序</strong> 返回结果表。</p>\n\n<p>查询结果格式如下所示。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nSeat 表:\n+----+---------+\n| id | student |\n+----+---------+\n| 1 | Abbot |\n| 2 | Doris |\n| 3 | Emerson |\n| 4 | Green |\n| 5 | Jeames |\n+----+---------+\n<strong>输出:</strong> \n+----+---------+\n| id | student |\n+----+---------+\n| 1 | Doris |\n| 2 | Abbot |\n| 3 | Green |\n| 4 | Emerson |\n| 5 | Jeames |\n+----+---------+\n<strong>解释:\n</strong>请注意，如果学生人数为奇数，则不需要更换最后一名学生的座位。</pre>\n",
|
||
"isPaidOnly": false,
|
||
"difficulty": "Medium",
|
||
"likes": 298,
|
||
"dislikes": 0,
|
||
"isLiked": null,
|
||
"similarQuestions": "[]",
|
||
"contributors": [],
|
||
"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"ruby\": false, \"bash\": false, \"swift\": false, \"golang\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"kotlin\": false, \"rust\": false, \"php\": false, \"typescript\": false, \"racket\": false, \"erlang\": false, \"elixir\": false}",
|
||
"topicTags": [
|
||
{
|
||
"name": "Database",
|
||
"slug": "database",
|
||
"translatedName": "数据库",
|
||
"__typename": "TopicTagNode"
|
||
}
|
||
],
|
||
"companyTagStats": null,
|
||
"codeSnippets": [
|
||
{
|
||
"lang": "MySQL",
|
||
"langSlug": "mysql",
|
||
"code": "# Write your MySQL query statement below",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "MS SQL Server",
|
||
"langSlug": "mssql",
|
||
"code": "/* Write your T-SQL query statement below */",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Oracle",
|
||
"langSlug": "oraclesql",
|
||
"code": "/* Write your PL/SQL query statement below */",
|
||
"__typename": "CodeSnippetNode"
|
||
}
|
||
],
|
||
"stats": "{\"totalAccepted\": \"52.8K\", \"totalSubmission\": \"76.8K\", \"totalAcceptedRaw\": 52783, \"totalSubmissionRaw\": 76840, \"acRate\": \"68.7%\"}",
|
||
"hints": [],
|
||
"solution": null,
|
||
"status": null,
|
||
"sampleTestCase": "{\"headers\": {\"Seat\": [\"id\",\"student\"]}, \"rows\": {\"Seat\": [[1,\"Abbot\"],[2,\"Doris\"],[3,\"Emerson\"],[4,\"Green\"],[5,\"Jeames\"]]}}",
|
||
"metaData": "{\n \"mysql\": [\n \"Create table If Not Exists Seat (id int, student varchar(255))\"\n ],\n \"mssql\": [\n \"Create table Seat (id int, student varchar(255))\"\n ],\n \"oraclesql\": [\n \"Create table Seat (id int, student varchar(255))\"\n ],\n \"database\": true\n}",
|
||
"judgerAvailable": true,
|
||
"judgeType": "large",
|
||
"mysqlSchemas": [
|
||
"Create table If Not Exists Seat (id int, student varchar(255))",
|
||
"Truncate table Seat",
|
||
"insert into Seat (id, student) values ('1', 'Abbot')",
|
||
"insert into Seat (id, student) values ('2', 'Doris')",
|
||
"insert into Seat (id, student) values ('3', 'Emerson')",
|
||
"insert into Seat (id, student) values ('4', 'Green')",
|
||
"insert into Seat (id, student) values ('5', 'Jeames')"
|
||
],
|
||
"enableRunCode": true,
|
||
"envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"]}",
|
||
"book": null,
|
||
"isSubscribed": false,
|
||
"isDailyQuestion": false,
|
||
"dailyRecordStatus": null,
|
||
"editorType": "CKEDITOR",
|
||
"ugcQuestionId": null,
|
||
"style": "LEETCODE",
|
||
"exampleTestcases": "{\"headers\": {\"Seat\": [\"id\",\"student\"]}, \"rows\": {\"Seat\": [[1,\"Abbot\"],[2,\"Doris\"],[3,\"Emerson\"],[4,\"Green\"],[5,\"Jeames\"]]}}",
|
||
"__typename": "QuestionNode"
|
||
}
|
||
}
|
||
} |