leetcode-problemset/leetcode-cn/originData/number-of-students-doing-homework-at-a-given-time.json

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            "title": "Number of Students Doing Homework at a Given Time",
            "titleSlug": "number-of-students-doing-homework-at-a-given-time",
            "content": "<p>Given two integer arrays <code>startTime</code> and <code>endTime</code> and given an integer <code>queryTime</code>.</p>\n\n<p>The <code>ith</code> student started doing their homework at the time <code>startTime[i]</code> and finished it at time <code>endTime[i]</code>.</p>\n\n<p>Return <em>the number of students</em> doing their homework at time <code>queryTime</code>. More formally, return the number of students where <code>queryTime</code> lays in the interval <code>[startTime[i], endTime[i]]</code> inclusive.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> startTime = [1,2,3], endTime = [3,2,7], queryTime = 4\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> We have 3 students where:\nThe first student started doing homework at time 1 and finished at time 3 and wasn&#39;t doing anything at time 4.\nThe second student started doing homework at time 2 and finished at time 2 and also wasn&#39;t doing anything at time 4.\nThe third student started doing homework at time 3 and finished at time 7 and was the only student doing homework at time 4.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> startTime = [4], endTime = [4], queryTime = 4\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> The only student was doing their homework at the queryTime.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>startTime.length == endTime.length</code></li>\n\t<li><code>1 &lt;= startTime.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= startTime[i] &lt;= endTime[i] &lt;= 1000</code></li>\n\t<li><code>1 &lt;= queryTime &lt;= 1000</code></li>\n</ul>\n",
            "translatedTitle": "在既定时间做作业的学生人数",
            "translatedContent": "<p>给你两个整数数组 <code>startTime</code>（开始时间）和 <code>endTime</code>（结束时间），并指定一个整数 <code>queryTime</code> 作为查询时间。</p>\n\n<p>已知，第 <code>i</code> 名学生在 <code>startTime[i]</code> 时开始写作业并于 <code>endTime[i]</code> 时完成作业。</p>\n\n<p>请返回在查询时间 <code>queryTime</code> 时正在做作业的学生人数。形式上，返回能够使 <code>queryTime</code> 处于区间 <code>[startTime[i], endTime[i]]</code>（含）的学生人数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><strong>输入：</strong>startTime = [1,2,3], endTime = [3,2,7], queryTime = 4\n<strong>输出：</strong>1\n<strong>解释：</strong>一共有 3 名学生。\n第一名学生在时间 1 开始写作业，并于时间 3 完成作业，在时间 4 没有处于做作业的状态。\n第二名学生在时间 2 开始写作业，并于时间 2 完成作业，在时间 4 没有处于做作业的状态。\n第三名学生在时间 3 开始写作业，预计于时间 7 完成作业，这是是唯一一名在时间 4 时正在做作业的学生。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><strong>输入：</strong>startTime = [4], endTime = [4], queryTime = 4\n<strong>输出：</strong>1\n<strong>解释：</strong>在查询时间只有一名学生在做作业。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><strong>输入：</strong>startTime = [4], endTime = [4], queryTime = 5\n<strong>输出：</strong>0\n</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre><strong>输入：</strong>startTime = [1,1,1,1], endTime = [1,3,2,4], queryTime = 7\n<strong>输出：</strong>0\n</pre>\n\n<p><strong>示例 5：</strong></p>\n\n<pre><strong>输入：</strong>startTime = [9,8,7,6,5,4,3,2,1], endTime = [10,10,10,10,10,10,10,10,10], queryTime = 5\n<strong>输出：</strong>5\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>startTime.length == endTime.length</code></li>\n\t<li><code>1 &lt;= startTime.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= startTime[i] &lt;= endTime[i] &lt;= 1000</code></li>\n\t<li><code>1 &lt;=&nbsp;queryTime &lt;= 1000</code></li>\n</ul>\n",
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