"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> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input</strong>\n["Solution", "randPoint", "randPoint", "randPoint"]\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> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>0 < radius <= 10<sup>8</sup></code></li>\n\t<li><code>-10<sup>7</sup> <= x_center, y_center <= 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",
"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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{
"lang":"Java",
"langSlug":"java",
"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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{
"lang":"Python",
"langSlug":"python",
"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()",
"__typename":"CodeSnippetNode"
},
{
"lang":"Python3",
"langSlug":"python3",
"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()",
"__typename":"CodeSnippetNode"
},
{
"lang":"C",
"langSlug":"c",
"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*/",
"__typename":"CodeSnippetNode"
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{
"lang":"C#",
"langSlug":"csharp",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"JavaScript",
"langSlug":"javascript",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Ruby",
"langSlug":"ruby",
"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()",
"__typename":"CodeSnippetNode"
},
{
"lang":"Swift",
"langSlug":"swift",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Go",
"langSlug":"golang",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Scala",
"langSlug":"scala",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Kotlin",
"langSlug":"kotlin",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Rust",
"langSlug":"rust",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"PHP",
"langSlug":"php",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"TypeScript",
"langSlug":"typescript",
"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 */",
"__typename":"CodeSnippetNode"
},
{
"lang":"Racket",
"langSlug":"racket",
"code":"(define solution%\n (class object%\n (super-new)\n\n ; radius : flonum?\n\n ; x_center : flonum?\n\n ; y_center : flonum?\n (init-field\n radius\n x_center\n y_center)\n \n ; rand-point : -> (listof flonum?)\n (define/public (rand-point)\n\n )))\n\n;; Your solution% object will be instantiated and called as such:\n;; (define obj (new solution% [radius radius] [x_center x_center] [y_center y_center]))\n;; (define param_1 (send obj rand-point))",
"__typename":"CodeSnippetNode"
},
{
"lang":"Erlang",
"langSlug":"erlang",
"code":"-spec solution_init_(Radius :: float(), X_center :: float(), Y_center :: float()) -> any().\nsolution_init_(Radius, X_center, Y_center) ->\n .\n\n-spec solution_rand_point() -> [float()].\nsolution_rand_point() ->\n .\n\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.",
"__typename":"CodeSnippetNode"
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{
"lang":"Elixir",
"langSlug":"elixir",
"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.",
"envInfo":"{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 17 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\"], \"java\": [\"Java\", \"<p><code> OpenJDK 17 </code>. 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>. If you need more libraries, you can import it yourself.</p>\\r\\n\\r\\n<p>For Map/TreeMap data structure, you may use <a href=\\\"http://www.grantjenks.com/docs/sortedcontainers/\\\" target=\\\"_blank\\\">sortedcontainers</a> library.</p>\\r\\n\\r\\n<p>Note that Python 2.7 <a href=\\\"https://www.python.org/dev/peps/pep-0373/\\\" target=\\\"_blank\\\">will not be maintained past 2020</a>. For the latest Python, please choose Python3 instead.</p>\"], \"c\": [\"C\", \"<p>Compiled with <code>gcc 8.2</code> using the gnu99 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level one optimization (<code>-O1</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n\\r\\n<p>For hash table operations, you may use <a href=\\\"https://troydhanson.github.io/uthash/\\\" target=\\\"_blank\\\">uthash</a>. \\\"uthash.h\\\" is included by default. Below are some examples:</p>\\r\\n\\r\\n<p><b>1. Adding an item to a hash.</b>\\r\\n<pre>\\r\\nstruct hash_entry {\\r\\n int id; /* we'll use this field as the key */\\r\\n char name[10];\\r\\n UT_hash_handle hh; /* makes this structure hashable */\\r\\n};\\r\\n\\r\\nstruct hash_entry *users = NULL;\\r\\n\\r\\nvoid add_user(struct hash_entry *s) {\\r\\n HASH_ADD_INT(users, id, s);\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>2. Looking up an item in a hash:</b>\\r\\n<pre>\\r\\nstruct hash_entry *find_user(int user_id) {\\r\\n struct hash_entry *s;\\r\\n HASH_FIND_INT(users, &user_id, s);\\r\\n return s;\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>3. Deleting an item in a hash:</b>\\r\\n<pre>\\r\\nvoid delete_user(struct hash_entry *user) {\\r\\n HASH_DEL(users, user); \\r\\n}\\r\\n</pre>\\r\\n</p>\"], \"csharp\": [\"C#\", \"<p><a href=\\\"https://docs.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-9\\\" target=\\\"_blank\\\">C# 10 with .NET 6 runtime</a></p>\\r\\n\\r\\n<p>Your code is compiled with debug flag enabled (<code>/debug</code>).</p>\"], \"javascript\": [\"JavaScript\", \"<p><code>Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES6 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\\r\\n\\r\\n<p>For Priority Queue / Queue data structures, you may use <a href=\\\"https://github.com/datastructures-js/priority-queue\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and <a href=\\\"https:
