mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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198 lines
28 KiB
JSON
198 lines
28 KiB
JSON
{
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"question": {
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"questionId": "789",
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"questionFrontendId": "703",
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"categoryTitle": "Algorithms",
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"boundTopicId": 1094,
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"title": "Kth Largest Element in a Stream",
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"titleSlug": "kth-largest-element-in-a-stream",
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"content": "<p>Design a class to find the <code>k<sup>th</sup></code> largest element in a stream. Note that it is the <code>k<sup>th</sup></code> largest element in the sorted order, not the <code>k<sup>th</sup></code> distinct element.</p>\n\n<p>Implement <code>KthLargest</code> class:</p>\n\n<ul>\n\t<li><code>KthLargest(int k, int[] nums)</code> Initializes the object with the integer <code>k</code> and the stream of integers <code>nums</code>.</li>\n\t<li><code>int add(int val)</code> Appends the integer <code>val</code> to the stream and returns the element representing the <code>k<sup>th</sup></code> largest element in the stream.</li>\n</ul>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input</strong>\n["KthLargest", "add", "add", "add", "add", "add"]\n[[3, [4, 5, 8, 2]], [3], [5], [10], [9], [4]]\n<strong>Output</strong>\n[null, 4, 5, 5, 8, 8]\n\n<strong>Explanation</strong>\nKthLargest kthLargest = new KthLargest(3, [4, 5, 8, 2]);\nkthLargest.add(3); // return 4\nkthLargest.add(5); // return 5\nkthLargest.add(10); // return 5\nkthLargest.add(9); // return 8\nkthLargest.add(4); // return 8\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= k <= 10<sup>4</sup></code></li>\n\t<li><code>0 <= nums.length <= 10<sup>4</sup></code></li>\n\t<li><code>-10<sup>4</sup> <= nums[i] <= 10<sup>4</sup></code></li>\n\t<li><code>-10<sup>4</sup> <= val <= 10<sup>4</sup></code></li>\n\t<li>At most <code>10<sup>4</sup></code> calls will be made to <code>add</code>.</li>\n\t<li>It is guaranteed that there will be at least <code>k</code> elements in the array when you search for the <code>k<sup>th</sup></code> element.</li>\n</ul>\n",
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"translatedTitle": "数据流中的第 K 大元素",
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"translatedContent": "<p>设计一个找到数据流中第 <code>k</code> 大元素的类（class）。注意是排序后的第 <code>k</code> 大元素，不是第 <code>k</code> 个不同的元素。</p>\n\n<p>请实现 <code>KthLargest</code> 类：</p>\n\n<ul>\n\t<li><code>KthLargest(int k, int[] nums)</code> 使用整数 <code>k</code> 和整数流 <code>nums</code> 初始化对象。</li>\n\t<li><code>int add(int val)</code> 将 <code>val</code> 插入数据流 <code>nums</code> 后，返回当前数据流中第 <code>k</code> 大的元素。</li>\n</ul>\n\n<p> </p>\n\n<p><strong>示例：</strong></p>\n\n<pre>\n<strong>输入：</strong>\n[\"KthLargest\", \"add\", \"add\", \"add\", \"add\", \"add\"]\n[[3, [4, 5, 8, 2]], [3], [5], [10], [9], [4]]\n<strong>输出：</strong>\n[null, 4, 5, 5, 8, 8]\n\n<strong>解释：</strong>\nKthLargest kthLargest = new KthLargest(3, [4, 5, 8, 2]);\nkthLargest.add(3); // return 4\nkthLargest.add(5); // return 5\nkthLargest.add(10); // return 5\nkthLargest.add(9); // return 8\nkthLargest.add(4); // return 8\n</pre>\n\n<p> </p>\n<strong>提示：</strong>\n\n<ul>\n\t<li><code>1 <= k <= 10<sup>4</sup></code></li>\n\t<li><code>0 <= nums.length <= 10<sup>4</sup></code></li>\n\t<li><code>-10<sup>4</sup> <= nums[i] <= 10<sup>4</sup></code></li>\n\t<li><code>-10<sup>4</sup> <= val <= 10<sup>4</sup></code></li>\n\t<li>最多调用 <code>add</code> 方法 <code>10<sup>4</sup></code> 次</li>\n\t<li>题目数据保证，在查找第 <code>k</code> 大元素时，数组中至少有 <code>k</code> 个元素</li>\n</ul>\n",
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"code": "class KthLargest {\npublic:\n KthLargest(int k, vector<int>& nums) {\n\n }\n \n int add(int val) {\n\n }\n};\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * KthLargest* obj = new KthLargest(k, nums);\n * int param_1 = obj->add(val);\n */",
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"code": "class KthLargest {\n\n public KthLargest(int k, int[] nums) {\n\n }\n \n public int add(int val) {\n\n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * KthLargest obj = new KthLargest(k, nums);\n * int param_1 = obj.add(val);\n */",
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"code": "class KthLargest(object):\n\n def __init__(self, k, nums):\n \"\"\"\n :type k: int\n :type nums: List[int]\n \"\"\"\n\n\n def add(self, val):\n \"\"\"\n :type val: int\n :rtype: int\n \"\"\"\n\n\n\n# Your KthLargest object will be instantiated and called as such:\n# obj = KthLargest(k, nums)\n# param_1 = obj.add(val)",
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"code": "class KthLargest:\n\n def __init__(self, k: int, nums: List[int]):\n\n\n def add(self, val: int) -> int:\n\n\n\n# Your KthLargest object will be instantiated and called as such:\n# obj = KthLargest(k, nums)\n# param_1 = obj.add(val)",
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"code": "\n\n\ntypedef struct {\n \n} KthLargest;\n\n\nKthLargest* kthLargestCreate(int k, int* nums, int numsSize) {\n \n}\n\nint kthLargestAdd(KthLargest* obj, int val) {\n \n}\n\nvoid kthLargestFree(KthLargest* obj) {\n \n}\n\n/**\n * Your KthLargest struct will be instantiated and called as such:\n * KthLargest* obj = kthLargestCreate(k, nums, numsSize);\n * int param_1 = kthLargestAdd(obj, val);\n \n * kthLargestFree(obj);\n*/",
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"code": "public class KthLargest {\n\n public KthLargest(int k, int[] nums) {\n\n }\n \n public int Add(int val) {\n\n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * KthLargest obj = new KthLargest(k, nums);\n * int param_1 = obj.Add(val);\n */",
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"code": "/**\n * @param {number} k\n * @param {number[]} nums\n */\nvar KthLargest = function(k, nums) {\n\n};\n\n/** \n * @param {number} val\n * @return {number}\n */\nKthLargest.prototype.add = function(val) {\n\n};\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * var obj = new KthLargest(k, nums)\n * var param_1 = obj.add(val)\n */",
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"code": "class KthLargest {\n constructor(k: number, nums: number[]) {\n \n }\n\n add(val: number): number {\n \n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * var obj = new KthLargest(k, nums)\n * var param_1 = obj.add(val)\n */",
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"code": "class KthLargest {\n /**\n * @param Integer $k\n * @param Integer[] $nums\n */\n function __construct($k, $nums) {\n\n }\n\n /**\n * @param Integer $val\n * @return Integer\n */\n function add($val) {\n\n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * $obj = KthLargest($k, $nums);\n * $ret_1 = $obj->add($val);\n */",
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"code": "\nclass KthLargest {\n\n init(_ k: Int, _ nums: [Int]) {\n\n }\n \n func add(_ val: Int) -> Int {\n\n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * let obj = KthLargest(k, nums)\n * let ret_1: Int = obj.add(val)\n */",
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"code": "class KthLargest(k: Int, nums: IntArray) {\n\n fun add(`val`: Int): Int {\n\n }\n\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * var obj = KthLargest(k, nums)\n * var param_1 = obj.add(`val`)\n */",
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"code": "class KthLargest {\n\n KthLargest(int k, List<int> nums) {\n \n }\n \n int add(int val) {\n \n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * KthLargest obj = KthLargest(k, nums);\n * int param1 = obj.add(val);\n */",
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"code": "type KthLargest struct {\n\n}\n\n\nfunc Constructor(k int, nums []int) KthLargest {\n\n}\n\n\nfunc (this *KthLargest) Add(val int) int {\n\n}\n\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * obj := Constructor(k, nums);\n * param_1 := obj.Add(val);\n */",
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"code": "class KthLargest\n\n=begin\n :type k: Integer\n :type nums: Integer[]\n=end\n def initialize(k, nums)\n\n end\n\n\n=begin\n :type val: Integer\n :rtype: Integer\n=end\n def add(val)\n\n end\n\n\nend\n\n# Your KthLargest object will be instantiated and called as such:\n# obj = KthLargest.new(k, nums)\n# param_1 = obj.add(val)",
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"code": "class KthLargest(_k: Int, _nums: Array[Int]) {\n\n def add(`val`: Int): Int = {\n\n }\n\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * var obj = new KthLargest(k, nums)\n * var param_1 = obj.add(`val`)\n */",
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"code": "struct KthLargest {\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 KthLargest {\n\n fn new(k: i32, nums: Vec<i32>) -> Self {\n\n }\n \n fn add(&self, val: i32) -> i32 {\n\n }\n}\n\n/**\n * Your KthLargest object will be instantiated and called as such:\n * let obj = KthLargest::new(k, nums);\n * let ret_1: i32 = obj.add(val);\n */",
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"code": "defmodule KthLargest do\n @spec init_(k :: integer, nums :: [integer]) :: any\n def init_(k, nums) do\n \n end\n\n @spec add(val :: integer) :: integer\n def add(val) do\n \n end\nend\n\n# Your functions will be called as such:\n# KthLargest.init_(k, nums)\n# param_1 = KthLargest.add(val)\n\n# KthLargest.init_ will be called before every test case, in which you can do some necessary initializations.",
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