mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-10 18:48:13 +08:00
186 lines
20 KiB
JSON
186 lines
20 KiB
JSON
{
|
||
"data": {
|
||
"question": {
|
||
"questionId": "3202",
|
||
"questionFrontendId": "2933",
|
||
"boundTopicId": null,
|
||
"title": "High-Access Employees",
|
||
"titleSlug": "high-access-employees",
|
||
"content": "<p>You are given a 2D <strong>0-indexed</strong> array of strings, <code>access_times</code>, with size <code>n</code>. For each <code>i</code> where <code>0 <= i <= n - 1</code>, <code>access_times[i][0]</code> represents the name of an employee, and <code>access_times[i][1]</code> represents the access time of that employee. All entries in <code>access_times</code> are within the same day.</p>\n\n<p>The access time is represented as <strong>four digits</strong> using a <strong>24-hour</strong> time format, for example, <code>"0800"</code> or <code>"2250"</code>.</p>\n\n<p>An employee is said to be <strong>high-access</strong> if he has accessed the system <strong>three or more</strong> times within a <strong>one-hour period</strong>.</p>\n\n<p>Times with exactly one hour of difference are <strong>not</strong> considered part of the same one-hour period. For example, <code>"0815"</code> and <code>"0915"</code> are not part of the same one-hour period.</p>\n\n<p>Access times at the start and end of the day are <strong>not</strong> counted within the same one-hour period. For example, <code>"0005"</code> and <code>"2350"</code> are not part of the same one-hour period.</p>\n\n<p>Return <em>a list that contains the names of <strong>high-access</strong> employees with any order you want.</em></p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> access_times = [["a","0549"],["b","0457"],["a","0532"],["a","0621"],["b","0540"]]\n<strong>Output:</strong> ["a"]\n<strong>Explanation:</strong> "a" has three access times in the one-hour period of [05:32, 06:31] which are 05:32, 05:49, and 06:21.\nBut "b" does not have more than two access times at all.\nSo the answer is ["a"].</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> access_times = [["d","0002"],["c","0808"],["c","0829"],["e","0215"],["d","1508"],["d","1444"],["d","1410"],["c","0809"]]\n<strong>Output:</strong> ["c","d"]\n<strong>Explanation:</strong> "c" has three access times in the one-hour period of [08:08, 09:07] which are 08:08, 08:09, and 08:29.\n"d" has also three access times in the one-hour period of [14:10, 15:09] which are 14:10, 14:44, and 15:08.\nHowever, "e" has just one access time, so it can not be in the answer and the final answer is ["c","d"].</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> access_times = [["cd","1025"],["ab","1025"],["cd","1046"],["cd","1055"],["ab","1124"],["ab","1120"]]\n<strong>Output:</strong> ["ab","cd"]\n<strong>Explanation:</strong> "ab" has three access times in the one-hour period of [10:25, 11:24] which are 10:25, 11:20, and 11:24.\n"cd" has also three access times in the one-hour period of [10:25, 11:24] which are 10:25, 10:46, and 10:55.\nSo the answer is ["ab","cd"].</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= access_times.length <= 100</code></li>\n\t<li><code>access_times[i].length == 2</code></li>\n\t<li><code>1 <= access_times[i][0].length <= 10</code></li>\n\t<li><code>access_times[i][0]</code> consists only of English small letters.</li>\n\t<li><code>access_times[i][1].length == 4</code></li>\n\t<li><code>access_times[i][1]</code> is in 24-hour time format.</li>\n\t<li><code>access_times[i][1]</code> consists only of <code>'0'</code> to <code>'9'</code>.</li>\n</ul>\n",
|
||
"translatedTitle": null,
|
||
"translatedContent": null,
|
||
"isPaidOnly": false,
|
||
"difficulty": "Medium",
|
||
"likes": 101,
|
||
"dislikes": 14,
|
||
"isLiked": null,
|
||
"similarQuestions": "[]",
|
||
"exampleTestcases": "[[\"a\",\"0549\"],[\"b\",\"0457\"],[\"a\",\"0532\"],[\"a\",\"0621\"],[\"b\",\"0540\"]]\n[[\"d\",\"0002\"],[\"c\",\"0808\"],[\"c\",\"0829\"],[\"e\",\"0215\"],[\"d\",\"1508\"],[\"d\",\"1444\"],[\"d\",\"1410\"],[\"c\",\"0809\"]]\n[[\"cd\",\"1025\"],[\"ab\",\"1025\"],[\"cd\",\"1046\"],[\"cd\",\"1055\"],[\"ab\",\"1124\"],[\"ab\",\"1120\"]]",
|
||
"categoryTitle": "Algorithms",
|
||
"contributors": [],
|
||
"topicTags": [
|
||
{
|
||
"name": "Array",
|
||
"slug": "array",
|
||
"translatedName": null,
|
||
"__typename": "TopicTagNode"
|
||
},
|
||
{
|
||
"name": "Hash Table",
|
||
"slug": "hash-table",
|
||
"translatedName": null,
|
||
"__typename": "TopicTagNode"
|
||
},
|
||
{
|
||
"name": "String",
|
||
"slug": "string",
|
||
"translatedName": null,
|
||
"__typename": "TopicTagNode"
|
||
},
|
||
{
|
||
"name": "Sorting",
|
||
"slug": "sorting",
|
||
"translatedName": null,
|
||
"__typename": "TopicTagNode"
|
||
}
|
||
],
|
||
"companyTagStats": null,
|
||
"codeSnippets": [
|
||
{
|
||
"lang": "C++",
|
||
"langSlug": "cpp",
|
||
"code": "class Solution {\npublic:\n vector<string> findHighAccessEmployees(vector<vector<string>>& access_times) {\n \n }\n};",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Java",
|
||
"langSlug": "java",
|
||
"code": "class Solution {\n public List<String> findHighAccessEmployees(List<List<String>> access_times) {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Python",
|
||
"langSlug": "python",
|
||
"code": "class Solution(object):\n def findHighAccessEmployees(self, access_times):\n \"\"\"\n :type access_times: List[List[str]]\n :rtype: List[str]\n \"\"\"\n ",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Python3",
|
||
"langSlug": "python3",
|
||
"code": "class Solution:\n def findHighAccessEmployees(self, access_times: List[List[str]]) -> List[str]:\n ",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "C",
|
||
"langSlug": "c",
|
||
"code": "/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nchar** findHighAccessEmployees(char*** access_times, int access_timesSize, int* access_timesColSize, int* returnSize) {\n \n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "C#",
|
||
"langSlug": "csharp",
|
||
"code": "public class Solution {\n public IList<string> FindHighAccessEmployees(IList<IList<string>> access_times) {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "JavaScript",
|
||
"langSlug": "javascript",
|
||
"code": "/**\n * @param {string[][]} access_times\n * @return {string[]}\n */\nvar findHighAccessEmployees = function(access_times) {\n \n};",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "TypeScript",
|
||
"langSlug": "typescript",
|
||
"code": "function findHighAccessEmployees(access_times: string[][]): string[] {\n \n};",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "PHP",
|
||
"langSlug": "php",
|
||
"code": "class Solution {\n\n /**\n * @param String[][] $access_times\n * @return String[]\n */\n function findHighAccessEmployees($access_times) {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Swift",
|
||
"langSlug": "swift",
|
||
"code": "class Solution {\n func findHighAccessEmployees(_ access_times: [[String]]) -> [String] {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Kotlin",
|
||
"langSlug": "kotlin",
|
||
"code": "class Solution {\n fun findHighAccessEmployees(access_times: List<List<String>>): List<String> {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Dart",
|
||
"langSlug": "dart",
|
||
"code": "class Solution {\n List<String> findHighAccessEmployees(List<List<String>> access_times) {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Go",
|
||
"langSlug": "golang",
|
||
"code": "func findHighAccessEmployees(access_times [][]string) []string {\n \n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Ruby",
|
||
"langSlug": "ruby",
|
||
"code": "# @param {String[][]} access_times\n# @return {String[]}\ndef find_high_access_employees(access_times)\n \nend",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Scala",
|
||
"langSlug": "scala",
|
||
"code": "object Solution {\n def findHighAccessEmployees(access_times: List[List[String]]): List[String] = {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Rust",
|
||
"langSlug": "rust",
|
||
"code": "impl Solution {\n pub fn find_high_access_employees(access_times: Vec<Vec<String>>) -> Vec<String> {\n \n }\n}",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Racket",
|
||
"langSlug": "racket",
|
||
"code": "(define/contract (find-high-access-employees access_times)\n (-> (listof (listof string?)) (listof string?))\n )",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Erlang",
|
||
"langSlug": "erlang",
|
||
"code": "-spec find_high_access_employees(Access_times :: [[unicode:unicode_binary()]]) -> [unicode:unicode_binary()].\nfind_high_access_employees(Access_times) ->\n .",
|
||
"__typename": "CodeSnippetNode"
|
||
},
|
||
{
|
||
"lang": "Elixir",
|
||
"langSlug": "elixir",
|
||
"code": "defmodule Solution do\n @spec find_high_access_employees(access_times :: [[String.t]]) :: [String.t]\n def find_high_access_employees(access_times) do\n \n end\nend",
|
||
"__typename": "CodeSnippetNode"
|
||
}
|
||
],
|
||
"stats": "{\"totalAccepted\": \"14.3K\", \"totalSubmission\": \"35.1K\", \"totalAcceptedRaw\": 14300, \"totalSubmissionRaw\": 35133, \"acRate\": \"40.7%\"}",
|
||
"hints": [
|
||
"Sort the access times in each person’s list.",
|
||
"A person’s name should be in the answer list if there are <code>2</code> access times in his/her access time list (after sorting), where the index difference is at least <code>2</code> and the time difference is strictly less than <code>60</code> minutes."
|
||
],
|
||
"solution": null,
|
||
"status": null,
|
||
"sampleTestCase": "[[\"a\",\"0549\"],[\"b\",\"0457\"],[\"a\",\"0532\"],[\"a\",\"0621\"],[\"b\",\"0540\"]]",
|
||
"metaData": "{\n \"name\": \"findHighAccessEmployees\",\n \"params\": [\n {\n \"name\": \"access_times\",\n \"type\": \"list<list<string>>\"\n }\n ],\n \"return\": {\n \"type\": \"list<string>\"\n }\n}",
|
||
"judgerAvailable": true,
|
||
"judgeType": "large",
|
||
"mysqlSchemas": [],
|
||
"enableRunCode": true,
|
||
"enableTestMode": false,
|
||
"enableDebugger": true,
|
||
"envInfo": "{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 20 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. 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://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-10\\\" target=\\\"_blank\\\">C# 10 with .NET 6 runtime</a></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 5.3.0 version of <a href=\\\"https://github.com/datastructures-js/priority-queue/tree/fb4fdb984834421279aeb081df7af624d17c2a03\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and 4.2.1 version of <a href=\\\"https://github.com/datastructures-js/queue/tree/e63563025a5a805aa16928cb53bcd517bfea9230\\\" target=\\\"_blank\\\">datastructures-js/queue</a>.</p>\"], \"ruby\": [\"Ruby\", \"<p><code>Ruby 3.1</code></p>\\r\\n\\r\\n<p>Some common data structure implementations are provided in the Algorithms module: https://www.rubydoc.info/github/kanwei/algorithms/Algorithms</p>\"], \"swift\": [\"Swift\", \"<p><code>Swift 5.5.2</code>.</p>\"], \"golang\": [\"Go\", \"<p><code>Go 1.21</code></p>\\r\\n<p>Support <a href=\\\"https://github.com/emirpasic/gods/tree/v1.18.1\\\" target=\\\"_blank\\\">https://godoc.org/github.com/emirpasic/gods@v1.18.1</a> library.</p>\"], \"python3\": [\"Python3\", \"<p><code>Python 3.10</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <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>. 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>\"], \"scala\": [\"Scala\", \"<p><code>Scala 2.13.7</code>.</p>\"], \"kotlin\": [\"Kotlin\", \"<p><code>Kotlin 1.9.0</code>.</p>\"], \"rust\": [\"Rust\", \"<p><code>Rust 1.58.1</code></p>\\r\\n\\r\\n<p>Supports <a href=\\\"https://crates.io/crates/rand\\\" target=\\\"_blank\\\">rand </a> v0.6\\u00a0from crates.io</p>\"], \"php\": [\"PHP\", \"<p><code>PHP 8.1</code>.</p>\\r\\n<p>With bcmath module</p>\"], \"typescript\": [\"Typescript\", \"<p><code>TypeScript 5.1.6, 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 ES2022 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\"], \"racket\": [\"Racket\", \"<p>Run with <code>Racket 8.3</code>.</p>\"], \"erlang\": [\"Erlang\", \"Erlang/OTP 25.0\"], \"elixir\": [\"Elixir\", \"Elixir 1.13.4 with Erlang/OTP 25.0\"], \"dart\": [\"Dart\", \"<p>Dart 2.17.3</p>\\r\\n\\r\\n<p>Your code will be run directly without compiling</p>\"]}",
|
||
"libraryUrl": null,
|
||
"adminUrl": null,
|
||
"challengeQuestion": null,
|
||
"__typename": "QuestionNode"
|
||
}
|
||
}
|
||
} |