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leetcode-problemset/leetcode/originData/online-stock-span.json
2022-05-02 23:44:12 +08:00

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{
"data": {
"question": {
"questionId": "937",
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"title": "Online Stock Span",
"titleSlug": "online-stock-span",
"content": "<p>Design an algorithm that collects daily price quotes for some stock and returns <strong>the span</strong> of that stock&#39;s price for the current day.</p>\n\n<p>The <strong>span</strong> of the stock&#39;s price today is defined as the maximum number of consecutive days (starting from today and going backward) for which the stock price was less than or equal to today&#39;s price.</p>\n\n<ul>\n\t<li>For example, if the price of a stock over the next <code>7</code> days were <code>[100,80,60,70,60,75,85]</code>, then the stock spans would be <code>[1,1,1,2,1,4,6]</code>.</li>\n</ul>\n\n<p>Implement the <code>StockSpanner</code> class:</p>\n\n<ul>\n\t<li><code>StockSpanner()</code> Initializes the object of the class.</li>\n\t<li><code>int next(int price)</code> Returns the <strong>span</strong> of the stock&#39;s price given that today&#39;s price is <code>price</code>.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input</strong>\n[&quot;StockSpanner&quot;, &quot;next&quot;, &quot;next&quot;, &quot;next&quot;, &quot;next&quot;, &quot;next&quot;, &quot;next&quot;, &quot;next&quot;]\n[[], [100], [80], [60], [70], [60], [75], [85]]\n<strong>Output</strong>\n[null, 1, 1, 1, 2, 1, 4, 6]\n\n<strong>Explanation</strong>\nStockSpanner stockSpanner = new StockSpanner();\nstockSpanner.next(100); // return 1\nstockSpanner.next(80); // return 1\nstockSpanner.next(60); // return 1\nstockSpanner.next(70); // return 2\nstockSpanner.next(60); // return 1\nstockSpanner.next(75); // return 4, because the last 4 prices (including today&#39;s price of 75) were less than or equal to today&#39;s price.\nstockSpanner.next(85); // return 6\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= price &lt;= 10<sup>5</sup></code></li>\n\t<li>At most <code>10<sup>4</sup></code> calls will be made to <code>next</code>.</li>\n</ul>\n",
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"difficulty": "Medium",
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"code": "class StockSpanner {\npublic:\n StockSpanner() {\n \n }\n \n int next(int price) {\n \n }\n};\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * StockSpanner* obj = new StockSpanner();\n * int param_1 = obj->next(price);\n */",
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"code": "class StockSpanner {\n\n public StockSpanner() {\n \n }\n \n public int next(int price) {\n \n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * StockSpanner obj = new StockSpanner();\n * int param_1 = obj.next(price);\n */",
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"code": "class StockSpanner(object):\n\n def __init__(self):\n \n\n def next(self, price):\n \"\"\"\n :type price: int\n :rtype: int\n \"\"\"\n \n\n\n# Your StockSpanner object will be instantiated and called as such:\n# obj = StockSpanner()\n# param_1 = obj.next(price)",
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"code": "class StockSpanner:\n\n def __init__(self):\n \n\n def next(self, price: int) -> int:\n \n\n\n# Your StockSpanner object will be instantiated and called as such:\n# obj = StockSpanner()\n# param_1 = obj.next(price)",
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"code": "\n\n\ntypedef struct {\n \n} StockSpanner;\n\n\nStockSpanner* stockSpannerCreate() {\n \n}\n\nint stockSpannerNext(StockSpanner* obj, int price) {\n \n}\n\nvoid stockSpannerFree(StockSpanner* obj) {\n \n}\n\n/**\n * Your StockSpanner struct will be instantiated and called as such:\n * StockSpanner* obj = stockSpannerCreate();\n * int param_1 = stockSpannerNext(obj, price);\n \n * stockSpannerFree(obj);\n*/",
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"lang": "C#",
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"code": "public class StockSpanner {\n\n public StockSpanner() {\n \n }\n \n public int Next(int price) {\n \n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * StockSpanner obj = new StockSpanner();\n * int param_1 = obj.Next(price);\n */",
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"lang": "JavaScript",
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"code": "\nvar StockSpanner = function() {\n \n};\n\n/** \n * @param {number} price\n * @return {number}\n */\nStockSpanner.prototype.next = function(price) {\n \n};\n\n/** \n * Your StockSpanner object will be instantiated and called as such:\n * var obj = new StockSpanner()\n * var param_1 = obj.next(price)\n */",
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"lang": "Ruby",
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"code": "class StockSpanner\n def initialize()\n \n end\n\n\n=begin\n :type price: Integer\n :rtype: Integer\n=end\n def next(price)\n \n end\n\n\nend\n\n# Your StockSpanner object will be instantiated and called as such:\n# obj = StockSpanner.new()\n# param_1 = obj.next(price)",
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"lang": "Swift",
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"code": "\nclass StockSpanner {\n\n init() {\n \n }\n \n func next(_ price: Int) -> Int {\n \n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * let obj = StockSpanner()\n * let ret_1: Int = obj.next(price)\n */",
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"lang": "Go",
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"code": "type StockSpanner struct {\n \n}\n\n\nfunc Constructor() StockSpanner {\n \n}\n\n\nfunc (this *StockSpanner) Next(price int) int {\n \n}\n\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * obj := Constructor();\n * param_1 := obj.Next(price);\n */",
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"lang": "Scala",
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"code": "class StockSpanner() {\n\n def next(price: Int): Int = {\n \n }\n\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * var obj = new StockSpanner()\n * var param_1 = obj.next(price)\n */",
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"lang": "Kotlin",
"langSlug": "kotlin",
"code": "class StockSpanner() {\n\n fun next(price: Int): Int {\n \n }\n\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * var obj = StockSpanner()\n * var param_1 = obj.next(price)\n */",
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"lang": "Rust",
"langSlug": "rust",
"code": "struct StockSpanner {\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 StockSpanner {\n\n fn new() -> Self {\n \n }\n \n fn next(&self, price: i32) -> i32 {\n \n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * let obj = StockSpanner::new();\n * let ret_1: i32 = obj.next(price);\n */",
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"lang": "PHP",
"langSlug": "php",
"code": "class StockSpanner {\n /**\n */\n function __construct() {\n \n }\n \n /**\n * @param Integer $price\n * @return Integer\n */\n function next($price) {\n \n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * $obj = StockSpanner();\n * $ret_1 = $obj->next($price);\n */",
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"lang": "TypeScript",
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"code": "class StockSpanner {\n constructor() {\n\n }\n\n next(price: number): number {\n\n }\n}\n\n/**\n * Your StockSpanner object will be instantiated and called as such:\n * var obj = new StockSpanner()\n * var param_1 = obj.next(price)\n */",
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"lang": "Racket",
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"code": "(define stock-spanner%\n (class object%\n (super-new)\n (init-field)\n \n ; next : exact-integer? -> exact-integer?\n (define/public (next price)\n\n )))\n\n;; Your stock-spanner% object will be instantiated and called as such:\n;; (define obj (new stock-spanner%))\n;; (define param_1 (send obj next price))",
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"lang": "Erlang",
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"code": "-spec stock_spanner_init_() -> any().\nstock_spanner_init_() ->\n .\n\n-spec stock_spanner_next(Price :: integer()) -> integer().\nstock_spanner_next(Price) ->\n .\n\n\n%% Your functions will be called as such:\n%% stock_spanner_init_(),\n%% Param_1 = stock_spanner_next(Price),\n\n%% stock_spanner_init_ will be called before every test case, in which you can do some necessary initializations.",
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"lang": "Elixir",
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"code": "defmodule StockSpanner do\n @spec init_() :: any\n def init_() do\n\n end\n\n @spec next(price :: integer) :: integer\n def next(price) do\n\n end\nend\n\n# Your functions will be called as such:\n# StockSpanner.init_()\n# param_1 = StockSpanner.next(price)\n\n# StockSpanner.init_ will be called before every test case, in which you can do some necessary initializations.",
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Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. 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