leetcode-problemset/leetcode-cn/originData/coupon-code-validator.json

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    "data": {
        "question": {
            "questionId": "3934",
            "questionFrontendId": "3606",
            "categoryTitle": "Algorithms",
            "boundTopicId": 3714197,
            "title": "Coupon Code Validator",
            "titleSlug": "coupon-code-validator",
            "content": "<p>You are given three arrays of length <code>n</code> that describe the properties of <code>n</code> coupons: <code>code</code>, <code>businessLine</code>, and <code>isActive</code>. The <code>i<sup>th</sup> </code>coupon has:</p>\n\n<ul>\n\t<li><code>code[i]</code>: a <strong>string</strong> representing the coupon identifier.</li>\n\t<li><code>businessLine[i]</code>: a <strong>string</strong> denoting the business category of the coupon.</li>\n\t<li><code>isActive[i]</code>: a <strong>boolean</strong> indicating whether the coupon is currently active.</li>\n</ul>\n\n<p>A coupon is considered <strong>valid</strong> if all of the following conditions hold:</p>\n\n<ol>\n\t<li><code>code[i]</code> is non-empty and consists only of alphanumeric characters (a-z, A-Z, 0-9) and underscores (<code>_</code>).</li>\n\t<li><code>businessLine[i]</code> is one of the following four categories: <code>&quot;electronics&quot;</code>, <code>&quot;grocery&quot;</code>, <code>&quot;pharmacy&quot;</code>, <code>&quot;restaurant&quot;</code>.</li>\n\t<li><code>isActive[i]</code> is <strong>true</strong>.</li>\n</ol>\n\n<p>Return an array of the <strong>codes</strong> of all valid coupons, <strong>sorted</strong> first by their <strong>businessLine</strong> in the order: <code>&quot;electronics&quot;</code>, <code>&quot;grocery&quot;</code>, <code>&quot;pharmacy&quot;, &quot;restaurant&quot;</code>, and then by <strong>code</strong> in lexicographical (ascending) order within each category.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">code = [&quot;SAVE20&quot;,&quot;&quot;,&quot;PHARMA5&quot;,&quot;SAVE@20&quot;], businessLine = [&quot;restaurant&quot;,&quot;grocery&quot;,&quot;pharmacy&quot;,&quot;restaurant&quot;], isActive = [true,true,true,true]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">[&quot;PHARMA5&quot;,&quot;SAVE20&quot;]</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li>First coupon is valid.</li>\n\t<li>Second coupon has empty code (invalid).</li>\n\t<li>Third coupon is valid.</li>\n\t<li>Fourth coupon has special character <code>@</code> (invalid).</li>\n</ul>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">code = [&quot;GROCERY15&quot;,&quot;ELECTRONICS_50&quot;,&quot;DISCOUNT10&quot;], businessLine = [&quot;grocery&quot;,&quot;electronics&quot;,&quot;invalid&quot;], isActive = [false,true,true]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">[&quot;ELECTRONICS_50&quot;]</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li>First coupon is inactive (invalid).</li>\n\t<li>Second coupon is valid.</li>\n\t<li>Third coupon has invalid business line (invalid).</li>\n</ul>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == code.length == businessLine.length == isActive.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>0 &lt;= code[i].length, businessLine[i].length &lt;= 100</code></li>\n\t<li><code>code[i]</code> and <code>businessLine[i]</code> consist of printable ASCII characters.</li>\n\t<li><code>isActive[i]</code> is either <code>true</code> or <code>false</code>.</li>\n</ul>\n",
            "translatedTitle": "优惠券校验器",
            "translatedContent": "<p>给你三个长度为 <code>n</code> 的数组，分别描述 <code>n</code> 个优惠券的属性：<code>code</code>、<code>businessLine</code> 和 <code>isActive</code>。其中，第 <code>i</code> 个优惠券具有以下属性：</p>\n\n<ul>\n\t<li><code>code[i]</code>：一个 <strong>字符串</strong>，表示优惠券的标识符。</li>\n\t<li><code>businessLine[i]</code>：一个 <strong>字符串</strong>，表示优惠券所属的业务类别。</li>\n\t<li><code>isActive[i]</code>：一个 <strong>布尔值</strong>，表示优惠券是否当前有效。</li>\n</ul>\n\n<p>当以下所有条件都满足时，优惠券被认为是&nbsp;<strong>有效的&nbsp;</strong>：</p>\n\n<ol>\n\t<li><code>code[i]</code> 不能为空，并且仅由字母数字字符（a-z、A-Z、0-9）和下划线（<code>_</code>）组成。</li>\n\t<li><code>businessLine[i]</code> 必须是以下四个类别之一：<code>\"electronics\"</code>、<code>\"grocery\"</code>、<code>\"pharmacy\"</code>、<code>\"restaurant\"</code>。</li>\n\t<li><code>isActive[i]</code> 为 <strong>true&nbsp;</strong>。</li>\n</ol>\n\n<p>返回所有&nbsp;<strong>有效优惠券的标识符&nbsp;</strong>组成的数组，按照以下规则排序：</p>\n\n<ul>\n\t<li>先按照其 <strong>businessLine</strong> 的顺序排序：<code>\"electronics\"</code>、<code>\"grocery\"</code>、<code>\"pharmacy\"</code>、<code>\"restaurant\"</code>。</li>\n\t<li>在每个类别内，再按照 <strong>标识符的字典序（升序）</strong>排序。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong> <span class=\"example-io\">code = [\"SAVE20\",\"\",\"PHARMA5\",\"SAVE@20\"], businessLine = [\"restaurant\",\"grocery\",\"pharmacy\",\"restaurant\"], isActive = [true,true,true,true]</span></p>\n\n<p><strong>输出：</strong> <span class=\"example-io\">[\"PHARMA5\",\"SAVE20\"]</span></p>\n\n<p><strong>解释：</strong></p>\n\n<ul>\n\t<li>第一个优惠券有效。</li>\n\t<li>第二个优惠券的标识符为空（无效）。</li>\n\t<li>第三个优惠券有效。</li>\n\t<li>第四个优惠券的标识符包含特殊字符 <code>@</code>（无效）。</li>\n</ul>\n</div>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong> <span class=\"example-io\">code = [\"GROCERY15\",\"ELECTRONICS_50\",\"DISCOUNT10\"], businessLine = [\"grocery\",\"electronics\",\"invalid\"], isActive = [false,true,true]</span></p>\n\n<p><strong>输出：</strong> <span class=\"example-io\">[\"ELECTRONICS_50\"]</span></p>\n\n<p><strong>解释：</strong></p>\n\n<ul>\n\t<li>第一个优惠券无效，因为它未激活。</li>\n\t<li>第二个优惠券有效。</li>\n\t<li>第三个优惠券无效，因为其业务类别无效。</li>\n</ul>\n</div>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>n == code.length == businessLine.length == isActive.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>0 &lt;= code[i].length, businessLine[i].length &lt;= 100</code></li>\n\t<li><code>code[i]</code> 和 <code>businessLine[i]</code> 由可打印的 ASCII 字符组成。</li>\n\t<li><code>isActive[i]</code> 的值为 <code>true</code> 或 <code>false</code>。</li>\n</ul>\n",
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                {
                    "lang": "C++",
                    "langSlug": "cpp",
                    "code": "class Solution {\npublic:\n    vector<string> validateCoupons(vector<string>& code, vector<string>& businessLine, vector<bool>& isActive) {\n        \n    }\n};",
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                    "lang": "Java",
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                    "code": "class Solution {\n    public List<String> validateCoupons(String[] code, String[] businessLine, boolean[] isActive) {\n        \n    }\n}",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "Python",
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                    "code": "class Solution(object):\n    def validateCoupons(self, code, businessLine, isActive):\n        \"\"\"\n        :type code: List[str]\n        :type businessLine: List[str]\n        :type isActive: List[bool]\n        :rtype: List[str]\n        \"\"\"\n        ",
                    "__typename": "CodeSnippetNode"
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                    "lang": "Python3",
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                    "code": "class Solution:\n    def validateCoupons(self, code: List[str], businessLine: List[str], isActive: List[bool]) -> List[str]:\n        ",
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                    "lang": "C",
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                    "code": "/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nchar** validateCoupons(char** code, int codeSize, char** businessLine, int businessLineSize, bool* isActive, int isActiveSize, int* returnSize) {\n    \n}",
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                    "lang": "C#",
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                    "code": "public class Solution {\n    public IList<string> ValidateCoupons(string[] code, string[] businessLine, bool[] isActive) {\n        \n    }\n}",
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                    "code": "/**\n * @param {string[]} code\n * @param {string[]} businessLine\n * @param {boolean[]} isActive\n * @return {string[]}\n */\nvar validateCoupons = function(code, businessLine, isActive) {\n    \n};",
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                    "code": "function validateCoupons(code: string[], businessLine: string[], isActive: boolean[]): string[] {\n    \n};",
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                    "lang": "PHP",
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                    "code": "class Solution {\n\n    /**\n     * @param String[] $code\n     * @param String[] $businessLine\n     * @param Boolean[] $isActive\n     * @return String[]\n     */\n    function validateCoupons($code, $businessLine, $isActive) {\n        \n    }\n}",
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                    "lang": "Swift",
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                    "code": "class Solution {\n    func validateCoupons(_ code: [String], _ businessLine: [String], _ isActive: [Bool]) -> [String] {\n        \n    }\n}",
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                    "lang": "Kotlin",
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                    "code": "class Solution {\n    fun validateCoupons(code: Array<String>, businessLine: Array<String>, isActive: BooleanArray): List<String> {\n        \n    }\n}",
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                    "lang": "Dart",
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                    "code": "class Solution {\n  List<String> validateCoupons(List<String> code, List<String> businessLine, List<bool> isActive) {\n    \n  }\n}",
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                    "lang": "Go",
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                    "code": "func validateCoupons(code []string, businessLine []string, isActive []bool) []string {\n    \n}",
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                    "lang": "Ruby",
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                    "code": "# @param {String[]} code\n# @param {String[]} business_line\n# @param {Boolean[]} is_active\n# @return {String[]}\ndef validate_coupons(code, business_line, is_active)\n    \nend",
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                    "lang": "Scala",
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                    "code": "object Solution {\n    def validateCoupons(code: Array[String], businessLine: Array[String], isActive: Array[Boolean]): List[String] = {\n        \n    }\n}",
                    "__typename": "CodeSnippetNode"
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                {
                    "lang": "Rust",
                    "langSlug": "rust",
                    "code": "impl Solution {\n    pub fn validate_coupons(code: Vec<String>, business_line: Vec<String>, is_active: Vec<bool>) -> Vec<String> {\n        \n    }\n}",
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                    "code": "-spec validate_coupons(Code :: [unicode:unicode_binary()], BusinessLine :: [unicode:unicode_binary()], IsActive :: [boolean()]) -> [unicode:unicode_binary()].\nvalidate_coupons(Code, BusinessLine, IsActive) ->\n  .",
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                    "code": "defmodule Solution do\n  @spec validate_coupons(code :: [String.t], business_line :: [String.t], is_active :: [boolean]) :: [String.t]\n  def validate_coupons(code, business_line, is_active) do\n    \n  end\nend",
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                    "lang": "Cangjie",
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                    "code": "class Solution {\n    func validateCoupons(code: Array<String>, businessLine: Array<String>, isActive: Array<Bool>): ArrayList<String> {\n\n    }\n}",
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            "stats": "{\"totalAccepted\": \"2.4K\", \"totalSubmission\": \"4.4K\", \"totalAcceptedRaw\": 2402, \"totalSubmissionRaw\": 4379, \"acRate\": \"54.9%\"}",
            "hints": [
                "Filter out any coupon where <code>isActive[i]</code> is false, <code>code[i]</code> is empty or contains non‑alphanumeric/underscore chars, or <code>businessLine[i]</code> is not in the allowed set",
                "Store each remaining coupon as a pair <code>(businessLine[i], code[i])</code>",
                "Define a priority map, e.g. <code>{\"electronics\":0, \"grocery\":1, \"pharmacy\":2, \"restaurant\":3}</code>",
                "Sort the list of pairs by <code>(priority[businessLine], code)</code> and return the <code>code</code> values in order"
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            "sampleTestCase": "[\"SAVE20\",\"\",\"PHARMA5\",\"SAVE@20\"]\n[\"restaurant\",\"grocery\",\"pharmacy\",\"restaurant\"]\n[true,true,true,true]",
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