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小墨
2025-09-29 14:43:44 +08:00
parent 2862a227c4
commit 13f2098086
4409 changed files with 168933 additions and 166256 deletions
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18
leetcode-cn/originData/delete-duplicate-emails.json
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@@ -12,12 +12,12 @@
"translatedContent": "<p>表:&nbsp;<code>Person</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| email | varchar |\n+-------------+---------+\nid 是该表的主键列(具有唯一值的列)。\n该表的每一行包含一封电子邮件。电子邮件将不包含大写字母。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>编写解决方案<strong> 删除</strong> 所有重复的电子邮件，只保留一个具有最小 <code>id</code> 的唯一电子邮件。</p>\n\n<p>（对于 SQL 用户，请注意你应该编写一个 <code>DELETE</code> 语句而不是 <code>SELECT</code> 语句。）</p>\n\n<p>（对于 Pandas 用户，请注意你应该直接修改 <code>Person</code> 表。）</p>\n\n<p>运行脚本后，显示的答案是 <code>Person</code> 表。驱动程序将首先编译并运行您的代码片段，然后再显示 <code>Person</code> 表。<code>Person</code> 表的最终顺序 <strong>无关紧要</strong> 。</p>\n\n<p>返回结果格式如下示例所示。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nPerson 表:\n+----+------------------+\n| id | email |\n+----+------------------+\n| 1 | john@example.com |\n| 2 | bob@example.com |\n| 3 | john@example.com |\n+----+------------------+\n<strong>输出:</strong> \n+----+------------------+\n| id | email |\n+----+------------------+\n| 1 | john@example.com |\n| 2 | bob@example.com |\n+----+------------------+\n<strong>解释:</strong> john@example.com重复两次。我们保留最小的Id = 1。</pre>\n",
"isPaidOnly": false,
"difficulty": "Easy",
"likes": 842,
"likes": 874,
"dislikes": 0,
"isLiked": null,
"similarQuestions": "[]",
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"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python3\": false, \"python\": false, \"javascript\": false, \"typescript\": false, \"csharp\": false, \"c\": false, \"golang\": false, \"kotlin\": false, \"swift\": false, \"rust\": false, \"ruby\": false, \"php\": false, \"dart\": false, \"scala\": false, \"elixir\": false, \"erlang\": false, \"racket\": false, \"cangjie\": false, \"bash\": false, \"html\": false, \"pythonml\": false, \"react\": false, \"vanillajs\": false, \"mysql\": false, \"mssql\": false, \"postgresql\": false, \"oraclesql\": false, \"pythondata\": false}",
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@@ -40,6 +40,12 @@
"code": "/* Write your T-SQL query statement below */",
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"lang": "PostgreSQL",
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"code": "-- Write your PostgreSQL query statement below",
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@@ -51,15 +57,9 @@
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"code": "import pandas as pd\n\ndef delete_duplicate_emails(person: pd.DataFrame) -> None:\n ",
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{
"lang": "PostgreSQL",
"langSlug": "postgresql",
"code": "-- Write your PostgreSQL query statement below",
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"solution": {
"id": "98",