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小墨
2025-01-09 20:29:41 +08:00
parent 04ecea043d
commit 48cdd06c2b
5053 changed files with 156164 additions and 135322 deletions
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8
leetcode-cn/originData/number-of-unique-subjects-taught-by-each-teacher.json
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@@ -12,12 +12,12 @@
"translatedContent": "<p>表: <code>Teacher</code></p>\n\n<pre>\n+-------------+------+\n| Column Name | Type |\n+-------------+------+\n| teacher_id | int |\n| subject_id | int |\n| dept_id | int |\n+-------------+------+\n在 SQL 中，(subject_id, dept_id) 是该表的主键。\n该表中的每一行都表示带有 teacher_id 的教师在系 dept_id 中教授科目 subject_id。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>查询每位老师在大学里教授的科目种类的数量。</p>\n\n<p data-group=\"1-1\">以 <strong>任意顺序</strong> 返回结果表。</p>\n\n<p>查询结果格式示例如下。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nTeacher 表:\n+------------+------------+---------+\n| teacher_id | subject_id | dept_id |\n+------------+------------+---------+\n| 1 | 2 | 3 |\n| 1 | 2 | 4 |\n| 1 | 3 | 3 |\n| 2 | 1 | 1 |\n| 2 | 2 | 1 |\n| 2 | 3 | 1 |\n| 2 | 4 | 1 |\n+------------+------------+---------+\n<strong>输出:</strong> \n+------------+-----+\n| teacher_id | cnt |\n+------------+-----+\n| 1 | 2 |\n| 2 | 4 |\n+------------+-----+\n<strong>解释:</strong> \n教师 1:\n - 他在 3、4 系教科目 2。\n - 他在 3 系教科目 3。\n教师 2:\n - 他在 1 系教科目 1。\n - 他在 1 系教科目 2。\n - 他在 1 系教科目 3。\n - 他在 1 系教科目 4。</pre>\n",
"isPaidOnly": false,
"difficulty": "Easy",
"likes": 19,
"likes": 34,
"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, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false}",
"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false, \"cangjie\": false}",
"topicTags": [
{
"name": "Database",
@@ -59,7 +59,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"16.4K\", \"totalSubmission\": \"19.7K\", \"totalAcceptedRaw\": 16358, \"totalSubmissionRaw\": 19708, \"acRate\": \"83.0%\"}",
"stats": "{\"totalAccepted\": \"46.1K\", \"totalSubmission\": \"54.3K\", \"totalAcceptedRaw\": 46140, \"totalSubmissionRaw\": 54265, \"acRate\": \"85.0%\"}",
"hints": [],
"solution": null,
"status": null,
@@ -79,7 +79,7 @@
"insert into Teacher (teacher_id, subject_id, dept_id) values ('2', '4', '1')"
],
"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>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
"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>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.2.2 and NumPy 1.26.4<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
"book": null,
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