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        "question": {
            "questionId": "915",
            "questionFrontendId": "478",
            "categoryTitle": "Algorithms",
            "boundTopicId": 1180,
            "title": "Generate Random Point in a Circle",
            "titleSlug": "generate-random-point-in-a-circle",
            "content": "<p>Given the radius and the position of the center of a circle, implement the function <code>randPoint</code> which generates a uniform random point inside the circle.</p>\n\n<p>Implement the <code>Solution</code> class:</p>\n\n<ul>\n\t<li><code>Solution(double radius, double x_center, double y_center)</code> initializes the object with the radius of the circle <code>radius</code> and the position of the center <code>(x_center, y_center)</code>.</li>\n\t<li><code>randPoint()</code> returns a random point inside the circle. A point on the circumference of the circle is considered to be in the circle. The answer is returned as an array <code>[x, y]</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;Solution&quot;, &quot;randPoint&quot;, &quot;randPoint&quot;, &quot;randPoint&quot;]\n[[1.0, 0.0, 0.0], [], [], []]\n<strong>Output</strong>\n[null, [-0.02493, -0.38077], [0.82314, 0.38945], [0.36572, 0.17248]]\n\n<strong>Explanation</strong>\nSolution solution = new Solution(1.0, 0.0, 0.0);\nsolution.randPoint(); // return [-0.02493, -0.38077]\nsolution.randPoint(); // return [0.82314, 0.38945]\nsolution.randPoint(); // return [0.36572, 0.17248]\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 &lt;&nbsp;radius &lt;= 10<sup>8</sup></code></li>\n\t<li><code>-10<sup>7</sup> &lt;= x_center, y_center &lt;= 10<sup>7</sup></code></li>\n\t<li>At most <code>3 * 10<sup>4</sup></code> calls will be made to <code>randPoint</code>.</li>\n</ul>\n",
            "translatedTitle": "在圆内随机生成点",
            "translatedContent": "<p>给定圆的半径和圆心的位置，实现函数 <code>randPoint</code> ，在圆中产生均匀随机点。</p>\n\n<p>实现&nbsp;<code>Solution</code>&nbsp;类:</p>\n\n<ul>\n\t<li><code>Solution(double radius, double x_center, double y_center)</code>&nbsp;用圆的半径&nbsp;<code>radius</code>&nbsp;和圆心的位置<code> (x_center, y_center)</code> 初始化对象</li>\n\t<li><code>randPoint()</code>&nbsp;返回圆内的一个随机点。圆周上的一点被认为在圆内。答案作为数组返回 <code>[x, y]</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入: \n</strong>[\"Solution\",\"randPoint\",\"randPoint\",\"randPoint\"]\n[[1.0, 0.0, 0.0], [], [], []]\n<strong>输出: </strong>[null, [-0.02493, -0.38077], [0.82314, 0.38945], [0.36572, 0.17248]]\n<strong>解释:</strong>\nSolution solution = new Solution(1.0, 0.0, 0.0);\nsolution.randPoint ();//返回[-0.02493，-0.38077]\nsolution.randPoint ();//返回[0.82314,0.38945]\nsolution.randPoint ();//返回[0.36572,0.17248]</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>0 &lt;&nbsp;radius &lt;= 10<sup>8</sup></code></li>\n\t<li><code>-10<sup>7</sup>&nbsp;&lt;= x_center, y_center &lt;= 10<sup>7</sup></code></li>\n\t<li><code>randPoint</code> 最多被调用&nbsp;<code>3 * 10<sup>4</sup></code>&nbsp;次</li>\n</ul>\n",
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                    "lang": "C++",
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                    "code": "class Solution {\npublic:\n    Solution(double radius, double x_center, double y_center) {\n\n    }\n    \n    vector<double> randPoint() {\n\n    }\n};\n\n/**\n * Your Solution object will be instantiated and called as such:\n * Solution* obj = new Solution(radius, x_center, y_center);\n * vector<double> param_1 = obj->randPoint();\n */",
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                    "code": "class Solution {\n\n    public Solution(double radius, double x_center, double y_center) {\n\n    }\n    \n    public double[] randPoint() {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * Solution obj = new Solution(radius, x_center, y_center);\n * double[] param_1 = obj.randPoint();\n */",
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                    "code": "class Solution(object):\n\n    def __init__(self, radius, x_center, y_center):\n        \"\"\"\n        :type radius: float\n        :type x_center: float\n        :type y_center: float\n        \"\"\"\n\n\n    def randPoint(self):\n        \"\"\"\n        :rtype: List[float]\n        \"\"\"\n\n\n\n# Your Solution object will be instantiated and called as such:\n# obj = Solution(radius, x_center, y_center)\n# param_1 = obj.randPoint()",
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                    "code": "class Solution:\n\n    def __init__(self, radius: float, x_center: float, y_center: float):\n\n\n    def randPoint(self) -> List[float]:\n\n\n\n# Your Solution object will be instantiated and called as such:\n# obj = Solution(radius, x_center, y_center)\n# param_1 = obj.randPoint()",
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                    "code": "\n\n\ntypedef struct {\n\n} Solution;\n\n\nSolution* solutionCreate(double radius, double x_center, double y_center) {\n\n}\n\ndouble* solutionRandPoint(Solution* obj, int* retSize) {\n\n}\n\nvoid solutionFree(Solution* obj) {\n\n}\n\n/**\n * Your Solution struct will be instantiated and called as such:\n * Solution* obj = solutionCreate(radius, x_center, y_center);\n * double* param_1 = solutionRandPoint(obj, retSize);\n \n * solutionFree(obj);\n*/",
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                    "code": "public class Solution {\n\n    public Solution(double radius, double x_center, double y_center) {\n\n    }\n    \n    public double[] RandPoint() {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * Solution obj = new Solution(radius, x_center, y_center);\n * double[] param_1 = obj.RandPoint();\n */",
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                    "code": "/**\n * @param {number} radius\n * @param {number} x_center\n * @param {number} y_center\n */\nvar Solution = function(radius, x_center, y_center) {\n\n};\n\n/**\n * @return {number[]}\n */\nSolution.prototype.randPoint = function() {\n\n};\n\n/**\n * Your Solution object will be instantiated and called as such:\n * var obj = new Solution(radius, x_center, y_center)\n * var param_1 = obj.randPoint()\n */",
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                    "code": "class Solution\n\n=begin\n    :type radius: Float\n    :type x_center: Float\n    :type y_center: Float\n=end\n    def initialize(radius, x_center, y_center)\n\n    end\n\n\n=begin\n    :rtype: Float[]\n=end\n    def rand_point()\n\n    end\n\n\nend\n\n# Your Solution object will be instantiated and called as such:\n# obj = Solution.new(radius, x_center, y_center)\n# param_1 = obj.rand_point()",
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                    "code": "\nclass Solution {\n\n    init(_ radius: Double, _ x_center: Double, _ y_center: Double) {\n\n    }\n    \n    func randPoint() -> [Double] {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * let obj = Solution(radius, x_center, y_center)\n * let ret_1: [Double] = obj.randPoint()\n */",
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                    "code": "type Solution struct {\n\n}\n\n\nfunc Constructor(radius float64, x_center float64, y_center float64) Solution {\n\n}\n\n\nfunc (this *Solution) RandPoint() []float64 {\n\n}\n\n\n/**\n * Your Solution object will be instantiated and called as such:\n * obj := Constructor(radius, x_center, y_center);\n * param_1 := obj.RandPoint();\n */",
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                    "code": "class Solution(_radius: Double, _x_center: Double, _y_center: Double) {\n\n    def randPoint(): Array[Double] = {\n\n    }\n\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * var obj = new Solution(radius, x_center, y_center)\n * var param_1 = obj.randPoint()\n */",
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                    "code": "class Solution(radius: Double, x_center: Double, y_center: Double) {\n\n    fun randPoint(): DoubleArray {\n\n    }\n\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * var obj = Solution(radius, x_center, y_center)\n * var param_1 = obj.randPoint()\n */",
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                    "code": "struct Solution {\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 Solution {\n\n    fn new(radius: f64, x_center: f64, y_center: f64) -> Self {\n\n    }\n    \n    fn rand_point(&self) -> Vec<f64> {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * let obj = Solution::new(radius, x_center, y_center);\n * let ret_1: Vec<f64> = obj.rand_point();\n */",
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                    "code": "class Solution {\n    /**\n     * @param Float $radius\n     * @param Float $x_center\n     * @param Float $y_center\n     */\n    function __construct($radius, $x_center, $y_center) {\n\n    }\n\n    /**\n     * @return Float[]\n     */\n    function randPoint() {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * $obj = Solution($radius, $x_center, $y_center);\n * $ret_1 = $obj->randPoint();\n */",
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                    "code": "class Solution {\n    constructor(radius: number, x_center: number, y_center: number) {\n\n    }\n\n    randPoint(): number[] {\n\n    }\n}\n\n/**\n * Your Solution object will be instantiated and called as such:\n * var obj = new Solution(radius, x_center, y_center)\n * var param_1 = obj.randPoint()\n */",
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                    "code": "defmodule Solution do\n  @spec init_(radius :: float, x_center :: float, y_center :: float) :: any\n  def init_(radius, x_center, y_center) do\n\n  end\n\n  @spec rand_point() :: [float]\n  def rand_point() do\n\n  end\nend\n\n# Your functions will be called as such:\n# Solution.init_(radius, x_center, y_center)\n# param_1 = Solution.rand_point()\n\n# Solution.init_ will be called before every test case, in which you can do some necessary initializations.",
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1.17<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 <a href=\\\"https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods\\\" target=\\\"_blank\\\">https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods<\\/a> \\u7b2c\\u4e09\\u65b9\\u5e93\\u3002<\\/p>\"],\"python3\":[\"Python3\",\"<p>\\u7248\\u672c\\uff1a<code>Python 3.10<\\/code><\\/p>\\r\\n\\r\\n<p>\\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982<a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/array.html\\\" target=\\\"_blank\\\">array<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/bisect.html\\\" target=\\\"_blank\\\">bisect<\\/a>, <a href=\\\"https:\\/\\/docs.python.org\\/3\\/library\\/collections.html\\\" target=\\\"_blank\\\">collections<\\/a>\\u3002 \\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n<p>\\u5982\\u9700\\u4f7f\\u7528 Map\\/TreeMap \\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u60a8\\u53ef\\u4f7f\\u7528 <a href=\\\"http:\\/\\/www.grantjenks.com\\/docs\\/sortedcontainers\\/\\\" target=\\\"_blank\\\">sortedcontainers<\\/a> \\u5e93\\u3002<\\/p>\"],\"scala\":[\"Scala\",\"<p>\\u7248\\u672c\\uff1a<code>Scala 2.13<\\/code><\\/p>\"],\"kotlin\":[\"Kotlin\",\"<p>\\u7248\\u672c\\uff1a<code>Kotlin 1.3.10<\\/code><\\/p>\"],\"rust\":[\"Rust\",\"<p>\\u7248\\u672c\\uff1a<code>rust 1.58.1<\\/code><\\/p>\\r\\n\\r\\n<p>\\u652f\\u6301 crates.io \\u7684 <a href=\\\"https:\\/\\/crates.io\\/crates\\/rand\\\" target=\\\"_blank\\\">rand<\\/a><\\/p>\"],\"php\":[\"PHP\",\"<p><code>PHP 8.1<\\/code>.<\\/p>\\r\\n\\r\\n<p>With bcmath module.<\\/p>\"],\"typescript\":[\"TypeScript\",\"<p>TypeScript 4.5.4<\\/p>\\r\\n\\r\\n<p>Compile Options: --alwaysStrict --strictBindCallApply --strictFunctionTypes --target ES2020<\\/p>\"],\"racket\":[\"Racket\",\"<p><a href=\\\"https:\\/\\/docs.racket-lang.org\\/guide\\/performance.html#%28tech._c%29\\\" target=\\\"_blank\\\">Racket CS<\\/a> v8.3<\\/p>\\r\\n\\r\\n<p>\\u4f7f\\u7528 #lang racket<\\/p>\\r\\n\\r\\n<p>\\u5df2\\u9884\\u5148 (require data\\/gvector data\\/queue data\\/order data\\/heap). \\u82e5\\u9700\\u4f7f\\u7528\\u5176\\u5b83\\u6570\\u636e\\u7ed3\\u6784\\uff0c\\u53ef\\u81ea\\u884c require\\u3002<\\/p>\"],\"erlang\":[\"Erlang\",\"Erlang\\/OTP 24.2\"],\"elixir\":[\"Elixir\",\"Elixir 1.13.0 with Erlang\\/OTP 24.2\"]}",
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