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            "questionId": "732",
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            "title": "My Calendar III",
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            "content": "<p>A <code>k</code>-booking happens when <code>k</code> events have some non-empty intersection (i.e., there is some time that is common to all <code>k</code> events.)</p>\n\n<p>You are given some events <code>[startTime, endTime)</code>, after each given event, return an integer <code>k</code> representing the maximum <code>k</code>-booking between all the previous events.</p>\n\n<p>Implement the <code>MyCalendarThree</code> class:</p>\n\n<ul>\n\t<li><code>MyCalendarThree()</code> Initializes the object.</li>\n\t<li><code>int book(int startTime, int endTime)</code> Returns an integer <code>k</code> representing the largest integer such that there exists a <code>k</code>-booking in the calendar.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input</strong>\n[&quot;MyCalendarThree&quot;, &quot;book&quot;, &quot;book&quot;, &quot;book&quot;, &quot;book&quot;, &quot;book&quot;, &quot;book&quot;]\n[[], [10, 20], [50, 60], [10, 40], [5, 15], [5, 10], [25, 55]]\n<strong>Output</strong>\n[null, 1, 1, 2, 3, 3, 3]\n\n<strong>Explanation</strong>\nMyCalendarThree myCalendarThree = new MyCalendarThree();\nmyCalendarThree.book(10, 20); // return 1\nmyCalendarThree.book(50, 60); // return 1\nmyCalendarThree.book(10, 40); // return 2\nmyCalendarThree.book(5, 15); // return 3\nmyCalendarThree.book(5, 10); // return 3\nmyCalendarThree.book(25, 55); // return 3\n\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 &lt;= startTime &lt; endTime &lt;= 10<sup>9</sup></code></li>\n\t<li>At most <code>400</code> calls will be made to <code>book</code>.</li>\n</ul>\n",
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            "exampleTestcases": "[\"MyCalendarThree\",\"book\",\"book\",\"book\",\"book\",\"book\",\"book\"]\n[[],[10,20],[50,60],[10,40],[5,15],[5,10],[25,55]]",
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                {
                    "lang": "C++",
                    "langSlug": "cpp",
                    "code": "class MyCalendarThree {\npublic:\n    MyCalendarThree() {\n        \n    }\n    \n    int book(int startTime, int endTime) {\n        \n    }\n};\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * MyCalendarThree* obj = new MyCalendarThree();\n * int param_1 = obj->book(startTime,endTime);\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Java",
                    "langSlug": "java",
                    "code": "class MyCalendarThree {\n\n    public MyCalendarThree() {\n        \n    }\n    \n    public int book(int startTime, int endTime) {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * MyCalendarThree obj = new MyCalendarThree();\n * int param_1 = obj.book(startTime,endTime);\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Python",
                    "langSlug": "python",
                    "code": "class MyCalendarThree(object):\n\n    def __init__(self):\n        \n\n    def book(self, startTime, endTime):\n        \"\"\"\n        :type startTime: int\n        :type endTime: int\n        :rtype: int\n        \"\"\"\n        \n\n\n# Your MyCalendarThree object will be instantiated and called as such:\n# obj = MyCalendarThree()\n# param_1 = obj.book(startTime,endTime)",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Python3",
                    "langSlug": "python3",
                    "code": "class MyCalendarThree:\n\n    def __init__(self):\n        \n\n    def book(self, startTime: int, endTime: int) -> int:\n        \n\n\n# Your MyCalendarThree object will be instantiated and called as such:\n# obj = MyCalendarThree()\n# param_1 = obj.book(startTime,endTime)",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "C",
                    "langSlug": "c",
                    "code": "\n\n\ntypedef struct {\n    \n} MyCalendarThree;\n\n\nMyCalendarThree* myCalendarThreeCreate() {\n    \n}\n\nint myCalendarThreeBook(MyCalendarThree* obj, int startTime, int endTime) {\n    \n}\n\nvoid myCalendarThreeFree(MyCalendarThree* obj) {\n    \n}\n\n/**\n * Your MyCalendarThree struct will be instantiated and called as such:\n * MyCalendarThree* obj = myCalendarThreeCreate();\n * int param_1 = myCalendarThreeBook(obj, startTime, endTime);\n \n * myCalendarThreeFree(obj);\n*/",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "C#",
                    "langSlug": "csharp",
                    "code": "public class MyCalendarThree {\n\n    public MyCalendarThree() {\n        \n    }\n    \n    public int Book(int startTime, int endTime) {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * MyCalendarThree obj = new MyCalendarThree();\n * int param_1 = obj.Book(startTime,endTime);\n */",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "JavaScript",
                    "langSlug": "javascript",
                    "code": "\nvar MyCalendarThree = function() {\n    \n};\n\n/** \n * @param {number} startTime \n * @param {number} endTime\n * @return {number}\n */\nMyCalendarThree.prototype.book = function(startTime, endTime) {\n    \n};\n\n/** \n * Your MyCalendarThree object will be instantiated and called as such:\n * var obj = new MyCalendarThree()\n * var param_1 = obj.book(startTime,endTime)\n */",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "TypeScript",
                    "langSlug": "typescript",
                    "code": "class MyCalendarThree {\n    constructor() {\n        \n    }\n\n    book(startTime: number, endTime: number): number {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * var obj = new MyCalendarThree()\n * var param_1 = obj.book(startTime,endTime)\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "PHP",
                    "langSlug": "php",
                    "code": "class MyCalendarThree {\n    /**\n     */\n    function __construct() {\n        \n    }\n  \n    /**\n     * @param Integer $startTime\n     * @param Integer $endTime\n     * @return Integer\n     */\n    function book($startTime, $endTime) {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * $obj = MyCalendarThree();\n * $ret_1 = $obj->book($startTime, $endTime);\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Swift",
                    "langSlug": "swift",
                    "code": "\nclass MyCalendarThree {\n\n    init() {\n        \n    }\n    \n    func book(_ startTime: Int, _ endTime: Int) -> Int {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * let obj = MyCalendarThree()\n * let ret_1: Int = obj.book(startTime, endTime)\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Kotlin",
                    "langSlug": "kotlin",
                    "code": "class MyCalendarThree() {\n\n    fun book(startTime: Int, endTime: Int): Int {\n        \n    }\n\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * var obj = MyCalendarThree()\n * var param_1 = obj.book(startTime,endTime)\n */",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "Dart",
                    "langSlug": "dart",
                    "code": "class MyCalendarThree {\n\n  MyCalendarThree() {\n    \n  }\n  \n  int book(int startTime, int endTime) {\n    \n  }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * MyCalendarThree obj = MyCalendarThree();\n * int param1 = obj.book(startTime,endTime);\n */",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "Go",
                    "langSlug": "golang",
                    "code": "type MyCalendarThree struct {\n    \n}\n\n\nfunc Constructor() MyCalendarThree {\n    \n}\n\n\nfunc (this *MyCalendarThree) Book(startTime int, endTime int) int {\n    \n}\n\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * obj := Constructor();\n * param_1 := obj.Book(startTime,endTime);\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Ruby",
                    "langSlug": "ruby",
                    "code": "class MyCalendarThree\n    def initialize()\n        \n    end\n\n\n=begin\n    :type start_time: Integer\n    :type end_time: Integer\n    :rtype: Integer\n=end\n    def book(start_time, end_time)\n        \n    end\n\n\nend\n\n# Your MyCalendarThree object will be instantiated and called as such:\n# obj = MyCalendarThree.new()\n# param_1 = obj.book(start_time, end_time)",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Scala",
                    "langSlug": "scala",
                    "code": "class MyCalendarThree() {\n\n    def book(startTime: Int, endTime: Int): Int = {\n        \n    }\n\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * var obj = new MyCalendarThree()\n * var param_1 = obj.book(startTime,endTime)\n */",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "Rust",
                    "langSlug": "rust",
                    "code": "struct MyCalendarThree {\n\n}\n\n\n/** \n * `&self` means the method takes an immutable reference.\n * If you need a mutable reference, change it to `&mut self` instead.\n */\nimpl MyCalendarThree {\n\n    fn new() -> Self {\n        \n    }\n    \n    fn book(&self, start_time: i32, end_time: i32) -> i32 {\n        \n    }\n}\n\n/**\n * Your MyCalendarThree object will be instantiated and called as such:\n * let obj = MyCalendarThree::new();\n * let ret_1: i32 = obj.book(startTime, endTime);\n */",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "Racket",
                    "langSlug": "racket",
                    "code": "(define my-calendar-three%\n  (class object%\n    (super-new)\n    \n    (init-field)\n    \n    ; book : exact-integer? exact-integer? -> exact-integer?\n    (define/public (book start-time end-time)\n      )))\n\n;; Your my-calendar-three% object will be instantiated and called as such:\n;; (define obj (new my-calendar-three%))\n;; (define param_1 (send obj book start-time end-time))",
                    "__typename": "CodeSnippetNode"
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                    "lang": "Erlang",
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                    "code": "-spec my_calendar_three_init_() -> any().\nmy_calendar_three_init_() ->\n  .\n\n-spec my_calendar_three_book(StartTime :: integer(), EndTime :: integer()) -> integer().\nmy_calendar_three_book(StartTime, EndTime) ->\n  .\n\n\n%% Your functions will be called as such:\n%% my_calendar_three_init_(),\n%% Param_1 = my_calendar_three_book(StartTime, EndTime),\n\n%% my_calendar_three_init_ will be called before every test case, in which you can do some necessary initializations.",
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                    "lang": "Elixir",
                    "langSlug": "elixir",
                    "code": "defmodule MyCalendarThree do\n  @spec init_() :: any\n  def init_() do\n    \n  end\n\n  @spec book(start_time :: integer, end_time :: integer) :: integer\n  def book(start_time, end_time) do\n    \n  end\nend\n\n# Your functions will be called as such:\n# MyCalendarThree.init_()\n# param_1 = MyCalendarThree.book(start_time, end_time)\n\n# MyCalendarThree.init_ will be called before every test case, in which you can do some necessary initializations.",
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            "hints": [
                "Treat each interval [start, end) as two events \"start\" and \"end\", and process them in sorted order."
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            "sampleTestCase": "[\"MyCalendarThree\",\"book\",\"book\",\"book\",\"book\",\"book\",\"book\"]\n[[],[10,20],[50,60],[10,40],[5,15],[5,10],[25,55]]",
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