{ "data": { "question": { "questionId": "2064", "questionFrontendId": "1919", "categoryTitle": "Database", "boundTopicId": 854755, "title": "Leetcodify Similar Friends", "titleSlug": "leetcodify-similar-friends", "content": null, "translatedTitle": "兴趣相同的朋友", "translatedContent": null, "isPaidOnly": true, "difficulty": "Hard", "likes": 9, "dislikes": 0, "isLiked": null, "similarQuestions": "[]", "contributors": [], "langToValidPlayground": null, "topicTags": [ { "name": "Database", "slug": "database", "translatedName": "数据库", "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": null, "stats": "{\"totalAccepted\": \"2.2K\", \"totalSubmission\": \"5.1K\", \"totalAcceptedRaw\": 2175, \"totalSubmissionRaw\": 5073, \"acRate\": \"42.9%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "{\"headers\":{\"Listens\":[\"user_id\",\"song_id\",\"day\"],\"Friendship\":[\"user1_id\",\"user2_id\"]},\"rows\":{\"Listens\":[[1,10,\"2021-03-15\"],[1,11,\"2021-03-15\"],[1,12,\"2021-03-15\"],[2,10,\"2021-03-15\"],[2,11,\"2021-03-15\"],[2,12,\"2021-03-15\"],[3,10,\"2021-03-15\"],[3,11,\"2021-03-15\"],[3,12,\"2021-03-15\"],[4,10,\"2021-03-15\"],[4,11,\"2021-03-15\"],[4,13,\"2021-03-15\"],[5,10,\"2021-03-16\"],[5,11,\"2021-03-16\"],[5,12,\"2021-03-16\"]],\"Friendship\":[[1,2],[2,4],[2,5]]}}", "metaData": "{\"mysql\":[\"Create table If Not Exists Listens (user_id int, song_id int, day date)\",\"Create table If Not Exists Friendship (user1_id int, user2_id int)\"],\"mssql\":[\"Create table Listens (user_id int, song_id int, day date)\",\"Create table Friendship (user1_id int, user2_id int)\"],\"oraclesql\":[\"Create table Listens (user_id int, song_id int, day date)\",\"Create table Friendship (user1_id int, user2_id int)\",\"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"],\"database\":true,\"name\":\"leetcodify_similar_friends\",\"pythondata\":[\"Listens = pd.DataFrame([], columns=['user_id', 'song_id', 'day']).astype({'user_id':'Int64', 'song_id':'Int64', 'day':'datetime64[ns]'})\",\"Friendship = pd.DataFrame([], columns=['user1_id', 'user2_id']).astype({'user1_id':'Int64', 'user2_id':'Int64'})\"],\"postgresql\":[\"Create table If Not Exists Listens (user_id int, song_id int, day date)\",\"Create table If Not Exists Friendship (user1_id int, user2_id int)\"],\"database_schema\":{\"Listens\":{\"user_id\":\"INT\",\"song_id\":\"INT\",\"day\":\"DATE\"},\"Friendship\":{\"user1_id\":\"INT\",\"user2_id\":\"INT\"}}}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [ "Create table If Not Exists Listens (user_id int, song_id int, day date)", "Create table If Not Exists Friendship (user1_id int, user2_id int)", "Truncate table Listens", "insert into Listens (user_id, song_id, day) values ('1', '10', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('1', '11', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('1', '12', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('2', '10', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('2', '11', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('2', '12', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('3', '10', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('3', '11', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('3', '12', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('4', '10', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('4', '11', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('4', '13', '2021-03-15')", "insert into Listens (user_id, song_id, day) values ('5', '10', '2021-03-16')", "insert into Listens (user_id, song_id, day) values ('5', '11', '2021-03-16')", "insert into Listens (user_id, song_id, day) values ('5', '12', '2021-03-16')", "Truncate table Friendship", "insert into Friendship (user1_id, user2_id) values ('1', '2')", "insert into Friendship (user1_id, user2_id) values ('2', '4')", "insert into Friendship (user1_id, user2_id) values ('2', '5')" ], "enableRunCode": true, "envInfo": "{\"mysql\":[\"MySQL\",\"

\\u7248\\u672c\\uff1aMySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"

mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"

Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"

Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"

PostgreSQL 16<\\/p>\"]}", "book": null, "isSubscribed": false, "isDailyQuestion": false, "dailyRecordStatus": null, "editorType": "CKEDITOR", "ugcQuestionId": null, "style": "LEETCODE", "exampleTestcases": "{\"headers\":{\"Listens\":[\"user_id\",\"song_id\",\"day\"],\"Friendship\":[\"user1_id\",\"user2_id\"]},\"rows\":{\"Listens\":[[1,10,\"2021-03-15\"],[1,11,\"2021-03-15\"],[1,12,\"2021-03-15\"],[2,10,\"2021-03-15\"],[2,11,\"2021-03-15\"],[2,12,\"2021-03-15\"],[3,10,\"2021-03-15\"],[3,11,\"2021-03-15\"],[3,12,\"2021-03-15\"],[4,10,\"2021-03-15\"],[4,11,\"2021-03-15\"],[4,13,\"2021-03-15\"],[5,10,\"2021-03-16\"],[5,11,\"2021-03-16\"],[5,12,\"2021-03-16\"]],\"Friendship\":[[1,2],[2,4],[2,5]]}}", "__typename": "QuestionNode" } } }