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            "title": "Queries on Number of Points Inside a Circle",
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            "content": "<p>You are given an array <code>points</code> where <code>points[i] = [x<sub>i</sub>, y<sub>i</sub>]</code> is the coordinates of the <code>i<sup>th</sup></code> point on a 2D plane. Multiple points can have the <strong>same</strong> coordinates.</p>\n\n<p>You are also given an array <code>queries</code> where <code>queries[j] = [x<sub>j</sub>, y<sub>j</sub>, r<sub>j</sub>]</code> describes a circle centered at <code>(x<sub>j</sub>, y<sub>j</sub>)</code> with a radius of <code>r<sub>j</sub></code>.</p>\n\n<p>For each query <code>queries[j]</code>, compute the number of points <strong>inside</strong> the <code>j<sup>th</sup></code> circle. Points <strong>on the border</strong> of the circle are considered <strong>inside</strong>.</p>\n\n<p>Return <em>an array </em><code>answer</code><em>, where </em><code>answer[j]</code><em> is the answer to the </em><code>j<sup>th</sup></code><em> query</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/03/25/chrome_2021-03-25_22-34-16.png\" style=\"width: 500px; height: 418px;\" />\n<pre>\n<strong>Input:</strong> points = [[1,3],[3,3],[5,3],[2,2]], queries = [[2,3,1],[4,3,1],[1,1,2]]\n<strong>Output:</strong> [3,2,2]\n<b>Explanation: </b>The points and circles are shown above.\nqueries[0] is the green circle, queries[1] is the red circle, and queries[2] is the blue circle.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/03/25/chrome_2021-03-25_22-42-07.png\" style=\"width: 500px; height: 390px;\" />\n<pre>\n<strong>Input:</strong> points = [[1,1],[2,2],[3,3],[4,4],[5,5]], queries = [[1,2,2],[2,2,2],[4,3,2],[4,3,3]]\n<strong>Output:</strong> [2,3,2,4]\n<b>Explanation: </b>The points and circles are shown above.\nqueries[0] is green, queries[1] is red, queries[2] is blue, and queries[3] is purple.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= points.length &lt;= 500</code></li>\n\t<li><code>points[i].length == 2</code></li>\n\t<li><code>0 &lt;= x<sub>​​​​​​i</sub>, y<sub>​​​​​​i</sub> &lt;= 500</code></li>\n\t<li><code>1 &lt;= queries.length &lt;= 500</code></li>\n\t<li><code>queries[j].length == 3</code></li>\n\t<li><code>0 &lt;= x<sub>j</sub>, y<sub>j</sub> &lt;= 500</code></li>\n\t<li><code>1 &lt;= r<sub>j</sub> &lt;= 500</code></li>\n\t<li>All coordinates are integers.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong>Follow up:</strong> Could you find the answer for each query in better complexity than <code>O(n)</code>?</p>\n",
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                    "code": "class Solution {\npublic:\n    vector<int> countPoints(vector<vector<int>>& points, vector<vector<int>>& queries) {\n        \n    }\n};",
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                    "code": "class Solution(object):\n    def countPoints(self, points, queries):\n        \"\"\"\n        :type points: List[List[int]]\n        :type queries: List[List[int]]\n        :rtype: List[int]\n        \"\"\"\n        ",
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                    "lang": "C",
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                    "code": "\n\n/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nint* countPoints(int** points, int pointsSize, int* pointsColSize, int** queries, int queriesSize, int* queriesColSize, int* returnSize){\n\n}",
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                    "code": "public class Solution {\n    public int[] CountPoints(int[][] points, int[][] queries) {\n        \n    }\n}",
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                    "code": "/**\n * @param {number[][]} points\n * @param {number[][]} queries\n * @return {number[]}\n */\nvar countPoints = function(points, queries) {\n    \n};",
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                    "code": "# @param {Integer[][]} points\n# @param {Integer[][]} queries\n# @return {Integer[]}\ndef count_points(points, queries)\n    \nend",
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                    "code": "class Solution {\n    func countPoints(_ points: [[Int]], _ queries: [[Int]]) -> [Int] {\n        \n    }\n}",
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                    "code": "func countPoints(points [][]int, queries [][]int) []int {\n    \n}",
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                    "code": "object Solution {\n    def countPoints(points: Array[Array[Int]], queries: Array[Array[Int]]): Array[Int] = {\n        \n    }\n}",
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                    "code": "class Solution {\n    fun countPoints(points: Array<IntArray>, queries: Array<IntArray>): IntArray {\n        \n    }\n}",
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                    "code": "impl Solution {\n    pub fn count_points(points: Vec<Vec<i32>>, queries: Vec<Vec<i32>>) -> Vec<i32> {\n        \n    }\n}",
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                    "code": "(define/contract (count-points points queries)\n  (-> (listof (listof exact-integer?)) (listof (listof exact-integer?)) (listof exact-integer?))\n\n  )",
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                    "lang": "Erlang",
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                    "code": "-spec count_points(Points :: [[integer()]], Queries :: [[integer()]]) -> [integer()].\ncount_points(Points, Queries) ->\n  .",
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                    "code": "defmodule Solution do\n  @spec count_points(points :: [[integer]], queries :: [[integer]]) :: [integer]\n  def count_points(points, queries) do\n\n  end\nend",
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                "For a point to be inside a circle, the euclidean distance between it and the circle's center needs to be less than or equal to the radius.",
                "Brute force for each circle and iterate overall points and find those inside it."
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