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leetcode-problemset/leetcode/originData/trips-and-users.json

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{
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"title": "Trips and Users",
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"content": "<p>Table: <code>Trips</code></p>\n\n<pre>\n+-------------+----------+\n| Column Name | Type |\n+-------------+----------+\n| id | int |\n| client_id | int |\n| driver_id | int |\n| city_id | int |\n| status | enum |\n| request_at | date | \n+-------------+----------+\nid is the primary key (column with unique values) for this table.\nThe table holds all taxi trips. Each trip has a unique id, while client_id and driver_id are foreign keys to the users_id at the Users table.\nStatus is an ENUM (category) type of (&#39;completed&#39;, &#39;cancelled_by_driver&#39;, &#39;cancelled_by_client&#39;).\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Table: <code>Users</code></p>\n\n<pre>\n+-------------+----------+\n| Column Name | Type |\n+-------------+----------+\n| users_id | int |\n| banned | enum |\n| role | enum |\n+-------------+----------+\nusers_id is the primary key (column with unique values) for this table.\nThe table holds all users. Each user has a unique users_id, and role is an ENUM type of (&#39;client&#39;, &#39;driver&#39;, &#39;partner&#39;).\nbanned is an ENUM (category) type of (&#39;Yes&#39;, &#39;No&#39;).\n</pre>\n\n<p>&nbsp;</p>\n\n<p>The <strong>cancellation rate</strong> is computed by dividing the number of canceled (by client or driver) requests with unbanned users by the total number of requests with unbanned users on that day.</p>\n\n<p>Write a solution to find the <strong>cancellation rate</strong> of requests with unbanned users (<strong>both client and driver must not be banned</strong>) each day between <code>&quot;2013-10-01&quot;</code> and <code>&quot;2013-10-03&quot;</code>. Round <code>Cancellation Rate</code> to <strong>two decimal</strong> points.</p>\n\n<p>Return the result table in <strong>any order</strong>.</p>\n\n<p>The&nbsp;result format is in the following example.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nTrips table:\n+----+-----------+-----------+---------+---------------------+------------+\n| id | client_id | driver_id | city_id | status | request_at |\n+----+-----------+-----------+---------+---------------------+------------+\n| 1 | 1 | 10 | 1 | completed | 2013-10-01 |\n| 2 | 2 | 11 | 1 | cancelled_by_driver | 2013-10-01 |\n| 3 | 3 | 12 | 6 | completed | 2013-10-01 |\n| 4 | 4 | 13 | 6 | cancelled_by_client | 2013-10-01 |\n| 5 | 1 | 10 | 1 | completed | 2013-10-02 |\n| 6 | 2 | 11 | 6 | completed | 2013-10-02 |\n| 7 | 3 | 12 | 6 | completed | 2013-10-02 |\n| 8 | 2 | 12 | 12 | completed | 2013-10-03 |\n| 9 | 3 | 10 | 12 | completed | 2013-10-03 |\n| 10 | 4 | 13 | 12 | cancelled_by_driver | 2013-10-03 |\n+----+-----------+-----------+---------+---------------------+------------+\nUsers table:\n+----------+--------+--------+\n| users_id | banned | role |\n+----------+--------+--------+\n| 1 | No | client |\n| 2 | Yes | client |\n| 3 | No | client |\n| 4 | No | client |\n| 10 | No | driver |\n| 11 | No | driver |\n| 12 | No | driver |\n| 13 | No | driver |\n+----------+--------+--------+\n<strong>Output:</strong> \n+------------+-------------------+\n| Day | Cancellation Rate |\n+------------+-------------------+\n| 2013-10-01 | 0.33 |\n| 2013-10-02 | 0.00 |\n| 2013-10-03 | 0.50 |\n+------------+-------------------+\n<strong>Explanation:</strong> \nOn 2013-10-01:\n - There were 4 requests in total, 2 of which were canceled.\n - However, the request with Id=2 was made by a banned client (User_Id=2), so it is ignored in the calculation.\n - Hence there are 3 unbanned requests in total, 1 of which was canceled.\n - The Cancellation Rate is (1 / 3) = 0.33\nOn 2013-10-02:\n - There were 3 requests in total, 0 of which were canceled.\n - The request with Id=6 was made by a banned client, so it is ignored.\n - Hence there are 2 unbanned requests in total, 0 of which were canceled.\n - The Cancellation Rate is (0 / 2) = 0.00\nOn 2013-10-03:\n - There were 3 requests in total, 1 of which was canceled.\n - The request with Id=8 was made by a banned client, so it is ignored.\n - Hence there are 2 unbanned request in total, 1 of which were canceled.\n - The Cancellation Rate is (1 / 2) = 0.50\n</pre>\n",
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"exampleTestcases": "{\"headers\": {\"Trips\": [\"id\", \"client_id\", \"driver_id\", \"city_id\", \"status\", \"request_at\"], \"Users\": [\"users_id\", \"banned\", \"role\"]}, \"rows\": {\"Trips\": [[\"1\", \"1\", \"10\", \"1\", \"completed\", \"2013-10-01\"], [\"2\", \"2\", \"11\", \"1\", \"cancelled_by_driver\", \"2013-10-01\"], [\"3\", \"3\", \"12\", \"6\", \"completed\", \"2013-10-01\"], [\"4\", \"4\", \"13\", \"6\", \"cancelled_by_client\", \"2013-10-01\"], [\"5\", \"1\", \"10\", \"1\", \"completed\", \"2013-10-02\"], [\"6\", \"2\", \"11\", \"6\", \"completed\", \"2013-10-02\"], [\"7\", \"3\", \"12\", \"6\", \"completed\", \"2013-10-02\"], [\"8\", \"2\", \"12\", \"12\", \"completed\", \"2013-10-03\"], [\"9\", \"3\", \"10\", \"12\", \"completed\", \"2013-10-03\"], [\"10\", \"4\", \"13\", \"12\", \"cancelled_by_driver\", \"2013-10-03\"]], \"Users\": [[\"1\", \"No\", \"client\"], [\"2\", \"Yes\", \"client\"], [\"3\", \"No\", \"client\"], [\"4\", \"No\", \"client\"], [\"10\", \"No\", \"driver\"], [\"11\", \"No\", \"driver\"], [\"12\", \"No\", \"driver\"], [\"13\", \"No\", \"driver\"]]}}",
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"code": "import pandas as pd\n\ndef trips_and_users(trips: pd.DataFrame, users: pd.DataFrame) -> pd.DataFrame:\n ",
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"sampleTestCase": "{\"headers\": {\"Trips\": [\"id\", \"client_id\", \"driver_id\", \"city_id\", \"status\", \"request_at\"], \"Users\": [\"users_id\", \"banned\", \"role\"]}, \"rows\": {\"Trips\": [[\"1\", \"1\", \"10\", \"1\", \"completed\", \"2013-10-01\"], [\"2\", \"2\", \"11\", \"1\", \"cancelled_by_driver\", \"2013-10-01\"], [\"3\", \"3\", \"12\", \"6\", \"completed\", \"2013-10-01\"], [\"4\", \"4\", \"13\", \"6\", \"cancelled_by_client\", \"2013-10-01\"], [\"5\", \"1\", \"10\", \"1\", \"completed\", \"2013-10-02\"], [\"6\", \"2\", \"11\", \"6\", \"completed\", \"2013-10-02\"], [\"7\", \"3\", \"12\", \"6\", \"completed\", \"2013-10-02\"], [\"8\", \"2\", \"12\", \"12\", \"completed\", \"2013-10-03\"], [\"9\", \"3\", \"10\", \"12\", \"completed\", \"2013-10-03\"], [\"10\", \"4\", \"13\", \"12\", \"cancelled_by_driver\", \"2013-10-03\"]], \"Users\": [[\"1\", \"No\", \"client\"], [\"2\", \"Yes\", \"client\"], [\"3\", \"No\", \"client\"], [\"4\", \"No\", \"client\"], [\"10\", \"No\", \"driver\"], [\"11\", \"No\", \"driver\"], [\"12\", \"No\", \"driver\"], [\"13\", \"No\", \"driver\"]]}}",
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"Create table If Not Exists Trips (id int, client_id int, driver_id int, city_id int, status ENUM('completed', 'cancelled_by_driver', 'cancelled_by_client'), request_at varchar(50))",
"Create table If Not Exists Users (users_id int, banned varchar(50), role ENUM('client', 'driver', 'partner'))",
"Truncate table Trips",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('1', '1', '10', '1', 'completed', '2013-10-01')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('2', '2', '11', '1', 'cancelled_by_driver', '2013-10-01')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('3', '3', '12', '6', 'completed', '2013-10-01')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('4', '4', '13', '6', 'cancelled_by_client', '2013-10-01')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('5', '1', '10', '1', 'completed', '2013-10-02')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('6', '2', '11', '6', 'completed', '2013-10-02')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('7', '3', '12', '6', 'completed', '2013-10-02')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('8', '2', '12', '12', 'completed', '2013-10-03')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('9', '3', '10', '12', 'completed', '2013-10-03')",
"insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('10', '4', '13', '12', 'cancelled_by_driver', '2013-10-03')",
"Truncate table Users",
"insert into Users (users_id, banned, role) values ('1', 'No', 'client')",
"insert into Users (users_id, banned, role) values ('2', 'Yes', 'client')",
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"insert into Users (users_id, banned, role) values ('4', 'No', 'client')",
"insert into Users (users_id, banned, role) values ('10', 'No', 'driver')",
"insert into Users (users_id, banned, role) values ('11', 'No', 'driver')",
"insert into Users (users_id, banned, role) values ('12', 'No', 'driver')",
"insert into Users (users_id, banned, role) values ('13', 'No', 'driver')"
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