mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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192 lines
20 KiB
JSON
192 lines
20 KiB
JSON
{
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"data": {
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"question": {
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"questionId": "2543",
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"questionFrontendId": "2456",
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"boundTopicId": null,
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"title": "Most Popular Video Creator",
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"titleSlug": "most-popular-video-creator",
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"content": "<p>You are given two string arrays <code>creators</code> and <code>ids</code>, and an integer array <code>views</code>, all of length <code>n</code>. The <code>i<sup>th</sup></code> video on a platform was created by <code>creator[i]</code>, has an id of <code>ids[i]</code>, and has <code>views[i]</code> views.</p>\n\n<p>The <strong>popularity</strong> of a creator is the <strong>sum</strong> of the number of views on <strong>all</strong> of the creator's videos. Find the creator with the <strong>highest</strong> popularity and the id of their <strong>most</strong> viewed video.</p>\n\n<ul>\n\t<li>If multiple creators have the highest popularity, find all of them.</li>\n\t<li>If multiple videos have the highest view count for a creator, find the lexicographically <strong>smallest</strong> id.</li>\n</ul>\n\n<p>Return<em> a 2D array of strings </em><code>answer</code><em> where </em><code>answer[i] = [creator<sub>i</sub>, id<sub>i</sub>]</code><em> means that </em><code>creator<sub>i</sub></code> <em>has the <strong>highest</strong> popularity and </em><code>id<sub>i</sub></code><em> is the id of their most popular video.</em> The answer can be returned in any order.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> creators = ["alice","bob","alice","chris"], ids = ["one","two","three","four"], views = [5,10,5,4]\n<strong>Output:</strong> [["alice","one"],["bob","two"]]\n<strong>Explanation:</strong>\nThe popularity of alice is 5 + 5 = 10.\nThe popularity of bob is 10.\nThe popularity of chris is 4.\nalice and bob are the most popular creators.\nFor bob, the video with the highest view count is "two".\nFor alice, the videos with the highest view count are "one" and "three". Since "one" is lexicographically smaller than "three", it is included in the answer.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> creators = ["alice","alice","alice"], ids = ["a","b","c"], views = [1,2,2]\n<strong>Output:</strong> [["alice","b"]]\n<strong>Explanation:</strong>\nThe videos with id "b" and "c" have the highest view count.\nSince "b" is lexicographically smaller than "c", it is included in the answer.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == creators.length == ids.length == views.length</code></li>\n\t<li><code>1 <= n <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= creators[i].length, ids[i].length <= 5</code></li>\n\t<li><code>creators[i]</code> and <code>ids[i]</code> consist only of lowercase English letters.</li>\n\t<li><code>0 <= views[i] <= 10<sup>5</sup></code></li>\n</ul>\n",
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"translatedTitle": null,
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"translatedContent": null,
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"isPaidOnly": false,
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"difficulty": "Medium",
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"likes": 145,
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"dislikes": 288,
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"isLiked": null,
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"similarQuestions": "[{\"title\": \"Design Video Sharing Platform\", \"titleSlug\": \"design-video-sharing-platform\", \"difficulty\": \"Hard\", \"translatedTitle\": null}, {\"title\": \"Design a Food Rating System\", \"titleSlug\": \"design-a-food-rating-system\", \"difficulty\": \"Medium\", \"translatedTitle\": null}]",
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"exampleTestcases": "[\"alice\",\"bob\",\"alice\",\"chris\"]\n[\"one\",\"two\",\"three\",\"four\"]\n[5,10,5,4]\n[\"alice\",\"alice\",\"alice\"]\n[\"a\",\"b\",\"c\"]\n[1,2,2]",
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"categoryTitle": "Algorithms",
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"contributors": [],
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"topicTags": [
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{
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"name": "Array",
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"slug": "array",
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"translatedName": null,
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"__typename": "TopicTagNode"
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},
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{
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"name": "Hash Table",
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"slug": "hash-table",
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"translatedName": null,
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"__typename": "TopicTagNode"
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},
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"name": "String",
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},
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{
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"name": "Heap (Priority Queue)",
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}
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"codeSnippets": [
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"lang": "C++",
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"langSlug": "cpp",
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"code": "class Solution {\npublic:\n vector<vector<string>> mostPopularCreator(vector<string>& creators, vector<string>& ids, vector<int>& views) {\n \n }\n};",
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"__typename": "CodeSnippetNode"
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{
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"lang": "Java",
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"langSlug": "java",
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"code": "class Solution {\n public List<List<String>> mostPopularCreator(String[] creators, String[] ids, int[] views) {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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"lang": "Python",
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"langSlug": "python",
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"code": "class Solution(object):\n def mostPopularCreator(self, creators, ids, views):\n \"\"\"\n :type creators: List[str]\n :type ids: List[str]\n :type views: List[int]\n :rtype: List[List[str]]\n \"\"\"\n ",
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"lang": "Python3",
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"langSlug": "python3",
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"code": "class Solution:\n def mostPopularCreator(self, creators: List[str], ids: List[str], views: List[int]) -> List[List[str]]:\n ",
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"__typename": "CodeSnippetNode"
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},
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"lang": "C",
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"langSlug": "c",
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"code": "/**\n * Return an array of arrays of size *returnSize.\n * The sizes of the arrays are returned as *returnColumnSizes array.\n * Note: Both returned array and *columnSizes array must be malloced, assume caller calls free().\n */\nchar *** mostPopularCreator(char ** creators, int creatorsSize, char ** ids, int idsSize, int* views, int viewsSize, int* returnSize, int** returnColumnSizes){\n\n}",
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{
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"lang": "C#",
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"langSlug": "csharp",
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"code": "public class Solution {\n public IList<IList<string>> MostPopularCreator(string[] creators, string[] ids, int[] views) {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "JavaScript",
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"langSlug": "javascript",
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"code": "/**\n * @param {string[]} creators\n * @param {string[]} ids\n * @param {number[]} views\n * @return {string[][]}\n */\nvar mostPopularCreator = function(creators, ids, views) {\n \n};",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Ruby",
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"langSlug": "ruby",
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"code": "# @param {String[]} creators\n# @param {String[]} ids\n# @param {Integer[]} views\n# @return {String[][]}\ndef most_popular_creator(creators, ids, views)\n \nend",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Swift",
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"langSlug": "swift",
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"code": "class Solution {\n func mostPopularCreator(_ creators: [String], _ ids: [String], _ views: [Int]) -> [[String]] {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Go",
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"langSlug": "golang",
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"code": "func mostPopularCreator(creators []string, ids []string, views []int) [][]string {\n \n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Scala",
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"langSlug": "scala",
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"code": "object Solution {\n def mostPopularCreator(creators: Array[String], ids: Array[String], views: Array[Int]): List[List[String]] = {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Kotlin",
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"langSlug": "kotlin",
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"code": "class Solution {\n fun mostPopularCreator(creators: Array<String>, ids: Array<String>, views: IntArray): List<List<String>> {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Rust",
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"langSlug": "rust",
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"code": "impl Solution {\n pub fn most_popular_creator(creators: Vec<String>, ids: Vec<String>, views: Vec<i32>) -> Vec<Vec<String>> {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "PHP",
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"langSlug": "php",
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"code": "class Solution {\n\n /**\n * @param String[] $creators\n * @param String[] $ids\n * @param Integer[] $views\n * @return String[][]\n */\n function mostPopularCreator($creators, $ids, $views) {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "TypeScript",
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"langSlug": "typescript",
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"code": "function mostPopularCreator(creators: string[], ids: string[], views: number[]): string[][] {\n\n};",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Racket",
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"langSlug": "racket",
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"code": "(define/contract (most-popular-creator creators ids views)\n (-> (listof string?) (listof string?) (listof exact-integer?) (listof (listof string?)))\n\n )",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Erlang",
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"langSlug": "erlang",
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"code": "-spec most_popular_creator(Creators :: [unicode:unicode_binary()], Ids :: [unicode:unicode_binary()], Views :: [integer()]) -> [[unicode:unicode_binary()]].\nmost_popular_creator(Creators, Ids, Views) ->\n .",
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},
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{
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec most_popular_creator(creators :: [String.t], ids :: [String.t], views :: [integer]) :: [[String.t]]\n def most_popular_creator(creators, ids, views) do\n\n end\nend",
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{
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"lang": "Dart",
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"langSlug": "dart",
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"code": "class Solution {\n List<List<String>> mostPopularCreator(List<String> creators, List<String> ids, List<int> views) {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"15.2K\", \"totalSubmission\": \"34.5K\", \"totalAcceptedRaw\": 15246, \"totalSubmissionRaw\": 34538, \"acRate\": \"44.1%\"}",
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"hints": [
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"Use a hash table to store and categorize videos based on their creator.",
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"For each creator, iterate through all their videos and use three variables to keep track of their popularity, their most popular video, and the id of their most popular video."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "[\"alice\",\"bob\",\"alice\",\"chris\"]\n[\"one\",\"two\",\"three\",\"four\"]\n[5,10,5,4]",
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"metaData": "{\n \"name\": \"mostPopularCreator\",\n \"params\": [\n {\n \"name\": \"creators\",\n \"type\": \"string[]\"\n },\n {\n \"type\": \"string[]\",\n \"name\": \"ids\"\n },\n {\n \"type\": \"integer[]\",\n \"name\": \"views\"\n }\n ],\n \"return\": {\n \"type\": \"list<list<string>>\"\n }\n}",
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"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 gnu11 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. 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