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leetcode-problemset/leetcode-cn/originData/WqXACV.json
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{
"data": {
"question": {
"questionId": "1000226",
"questionFrontendId": "LCS 02",
"categoryTitle": "Algorithms",
"boundTopicId": 835234,
"title": "完成一半题目",
"titleSlug": "WqXACV",
"content": "",
"translatedTitle": "完成一半题目",
"translatedContent": "有 `N` 位扣友参加了微软与力扣举办了「以扣会友」线下活动。主办方提供了 `2*N` 道题目,整型数组 `questions` 中每个数字对应了每道题目所涉及的知识点类型。\r\n若每位扣友选择不同的一题请返回被选的 `N` 道题目至少包含多少种知识点类型。\r\n\r\n\r\n**示例 1**\r\n>输入:`questions = [2,1,6,2]`\r\n>\r\n>输出:`1`\r\n>\r\n>解释:有 2 位扣友在 4 道题目中选择 2 题。\r\n> 可选择完成知识点类型为 2 的题目时,此时仅一种知识点类型\r\n> 因此至少包含 1 种知识点类型。\r\n\r\n**示例 2**\r\n>输入:`questions = [1,5,1,3,4,5,2,5,3,3,8,6]`\r\n>\r\n>输出:`2`\r\n>\r\n>解释:有 6 位扣友在 12 道题目中选择题目,需要选择 6 题。\r\n> 选择完成知识点类型为 3、5 的题目,因此至少包含 2 种知识点类型。\r\n\r\n\r\n\r\n**提示:**\r\n- `questions.length == 2*n`\r\n- `2 <= questions.length <= 10^5`\r\n- `1 <= questions[i] <= 1000`",
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"difficulty": "Easy",
"likes": 8,
"dislikes": 0,
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"similarQuestions": "[]",
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{
"username": "hans",
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"avatarUrl": "https://assets.leetcode-cn.com/aliyun-lc-upload/default_avatar.png",
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"name": "Greedy",
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"translatedName": "贪心",
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{
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"translatedName": "数组",
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{
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"code": "class Solution {\npublic:\n int halfQuestions(vector<int>& questions) {\n\n }\n};",
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"code": "class Solution {\n public int halfQuestions(int[] questions) {\n\n }\n}",
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{
"lang": "Python",
"langSlug": "python",
"code": "class Solution(object):\n def halfQuestions(self, questions):\n \"\"\"\n :type questions: List[int]\n :rtype: int\n \"\"\"",
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"code": "public class Solution {\n public int HalfQuestions(int[] questions) {\n\n }\n}",
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