{
    "data": {
        "question": {
            "questionId": "3746",
            "questionFrontendId": "3401",
            "categoryTitle": "Database",
            "boundTopicId": 3033181,
            "title": "Find Circular Gift Exchange Chains",
            "titleSlug": "find-circular-gift-exchange-chains",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Hard",
            "likes": 0,
            "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\": \"16\", \"totalSubmission\": \"23\", \"totalAcceptedRaw\": 16, \"totalSubmissionRaw\": 23, \"acRate\": \"69.6%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"SecretSanta\":[\"giver_id\",\"receiver_id\",\"gift_value\"]},\"rows\":{\"SecretSanta\":[[1,2,20],[2,3,30],[3,1,40],[4,5,25],[5,4,35]]}}",
            "metaData": "{\"mysql\":[\"CREATE TABLE SecretSanta (\\n    giver_id INT,\\n    receiver_id INT,\\n    gift_value INT\\n)\\n\"],\"mssql\":[\"CREATE TABLE SecretSanta (\\n    giver_id INT,\\n    receiver_id INT,\\n    gift_value INT\\n)\\n\"],\"oraclesql\":[\"CREATE TABLE SecretSanta (\\n    giver_id NUMBER,\\n    receiver_id NUMBER,\\n    gift_value NUMBER\\n)\\n\"],\"database\":true,\"name\":\"find_gift_chains\",\"pythondata\":[\"SecretSanta = pd.DataFrame(columns=[\\\"giver_id\\\", \\\"receiver_id\\\", \\\"gift_value\\\"]).astype({\\\"giver_id\\\": \\\"int\\\", \\\"receiver_id\\\": \\\"int\\\", \\\"gift_value\\\": \\\"int\\\"})\\n\"],\"postgresql\":[\"CREATE TABLE SecretSanta (\\n    giver_id INT,\\n    receiver_id INT,\\n    gift_value INT\\n)\\n\"],\"database_schema\":{\"SecretSanta\":{\"giver_id\":\"INT\",\"receiver_id\":\"INT\",\"gift_value\":\"INT\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "CREATE TABLE SecretSanta (\n    giver_id INT,\n    receiver_id INT,\n    gift_value INT\n)\n",
                "Truncate table SecretSanta",
                "insert into SecretSanta (giver_id, receiver_id, gift_value) values ('1', '2', '20')",
                "insert into SecretSanta (giver_id, receiver_id, gift_value) values ('2', '3', '30')",
                "insert into SecretSanta (giver_id, receiver_id, gift_value) values ('3', '1', '40')",
                "insert into SecretSanta (giver_id, receiver_id, gift_value) values ('4', '5', '25')",
                "insert into SecretSanta (giver_id, receiver_id, gift_value) values ('5', '4', '35')"
            ],
            "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 2.2.2 and NumPy 1.26.4<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"SecretSanta\":[\"giver_id\",\"receiver_id\",\"gift_value\"]},\"rows\":{\"SecretSanta\":[[1,2,20],[2,3,30],[3,1,40],[4,5,25],[5,4,35]]}}",
            "__typename": "QuestionNode"
        }
    }
}