leetcode-problemset/leetcode-cn/originData/task-scheduler.json

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    "data": {
        "question": {
            "questionId": "621",
            "questionFrontendId": "621",
            "categoryTitle": "Algorithms",
            "boundTopicId": 1392,
            "title": "Task Scheduler",
            "titleSlug": "task-scheduler",
            "content": "<p>You are given an array of CPU <code>tasks</code>, each labeled with a letter from A to Z, and a number <code>n</code>. Each CPU interval can be idle or allow the completion of one task. Tasks can be completed in any order, but there&#39;s a constraint: there has to be a gap of <strong>at least</strong> <code>n</code> intervals between two tasks with the same label.</p>\n\n<p>Return the <strong>minimum</strong> number of CPU intervals required to complete all tasks.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\" style=\"\n    border-color: var(--border-tertiary);\n    border-left-width: 2px;\n    color: var(--text-secondary);\n    font-size: .875rem;\n    margin-bottom: 1rem;\n    margin-top: 1rem;\n    overflow: visible;\n    padding-left: 1rem;\n\">\n<p><strong>Input:</strong> <span class=\"example-io\" style=\"\n    font-family: Menlo,sans-serif;\n    font-size: 0.85rem;\n\">tasks = [&quot;A&quot;,&quot;A&quot;,&quot;A&quot;,&quot;B&quot;,&quot;B&quot;,&quot;B&quot;], n = 2</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\" style=\"\nfont-family: Menlo,sans-serif;\nfont-size: 0.85rem;\n\">8</span></p>\n\n<p><strong>Explanation:</strong> A possible sequence is: A -&gt; B -&gt; idle -&gt; A -&gt; B -&gt; idle -&gt; A -&gt; B.</p>\n\n<p>After completing task A, you must wait two intervals before doing A again. The same applies to task B. In the 3<sup>rd</sup> interval, neither A nor B can be done, so you idle. By the 4<sup>th</sup> interval, you can do A again as 2 intervals have passed.</p>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\" style=\"\n    border-color: var(--border-tertiary);\n    border-left-width: 2px;\n    color: var(--text-secondary);\n    font-size: .875rem;\n    margin-bottom: 1rem;\n    margin-top: 1rem;\n    overflow: visible;\n    padding-left: 1rem;\n\">\n<p><strong>Input:</strong> <span class=\"example-io\" style=\"\n    font-family: Menlo,sans-serif;\n    font-size: 0.85rem;\n\">tasks = [&quot;A&quot;,&quot;C&quot;,&quot;A&quot;,&quot;B&quot;,&quot;D&quot;,&quot;B&quot;], n = 1</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\" style=\"\n    font-family: Menlo,sans-serif;\n    font-size: 0.85rem;\n\">6</span></p>\n\n<p><strong>Explanation:</strong> A possible sequence is: A -&gt; B -&gt; C -&gt; D -&gt; A -&gt; B.</p>\n\n<p>With a cooling interval of 1, you can repeat a task after just one other task.</p>\n</div>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<div class=\"example-block\" style=\"\n    border-color: var(--border-tertiary);\n    border-left-width: 2px;\n    color: var(--text-secondary);\n    font-size: .875rem;\n    margin-bottom: 1rem;\n    margin-top: 1rem;\n    overflow: visible;\n    padding-left: 1rem;\n\">\n<p><strong>Input:</strong> <span class=\"example-io\" style=\"\n    font-family: Menlo,sans-serif;\n    font-size: 0.85rem;\n\">tasks = [&quot;A&quot;,&quot;A&quot;,&quot;A&quot;, &quot;B&quot;,&quot;B&quot;,&quot;B&quot;], n = 3</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\" style=\"\n    font-family: Menlo,sans-serif;\n    font-size: 0.85rem;\n\">10</span></p>\n\n<p><strong>Explanation:</strong> A possible sequence is: A -&gt; B -&gt; idle -&gt; idle -&gt; A -&gt; B -&gt; idle -&gt; idle -&gt; A -&gt; B.</p>\n\n<p>There are only two types of tasks, A and B, which need to be separated by 3 intervals. This leads to idling twice between repetitions of these tasks.</p>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= tasks.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>tasks[i]</code> is an uppercase English letter.</li>\n\t<li><code>0 &lt;= n &lt;= 100</code></li>\n</ul>\n",
            "translatedTitle": "任务调度器",
            "translatedContent": "<p>给你一个用字符数组&nbsp;<code>tasks</code> 表示的 CPU 需要执行的任务列表，用字母 A 到 Z 表示，以及一个冷却时间 <code>n</code>。每个周期或时间间隔允许完成一项任务。任务可以按任何顺序完成，但有一个限制：两个<strong> 相同种类</strong> 的任务之间必须有长度为<strong>&nbsp;</strong><code>n</code><strong> </strong>的冷却时间。</p>\n\n<p>返回完成所有任务所需要的<strong> 最短时间间隔</strong>&nbsp;。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<div class=\"example-block\"><strong>输入：</strong>tasks = [\"A\",\"A\",\"A\",\"B\",\"B\",\"B\"], n = 2</div>\n\n<div class=\"example-block\"><strong>输出：</strong>8</div>\n\n<div class=\"example-block\"><strong>解释：</strong></div>\n\n<div class=\"example-block\">在完成任务 A 之后，你必须等待两个间隔。对任务 B 来说也是一样。在第 3 个间隔，A 和 B 都不能完成，所以你需要待命。在第 4 个间隔，由于已经经过了 2 个间隔，你可以再次执行 A 任务。</div>\n\n<div class=\"example-block\">&nbsp;</div>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<div class=\"example-block\">\n<p><b>输入：</b>tasks = [\"A\",\"C\",\"A\",\"B\",\"D\",\"B\"], n = 1</p>\n\n<p><b>输出：</b>6</p>\n\n<p><b>解释：</b>一种可能的序列是：A -&gt; B -&gt; C -&gt; D -&gt; A -&gt; B。</p>\n\n<p>由于冷却间隔为 1，你可以在完成另一个任务后重复执行这个任务。</p>\n</div>\n\n<p><strong>示例 3：</strong></p>\n\n<div class=\"example-block\"><strong>输入：</strong>tasks = [\"A\",\"A\",\"A\",\"B\",\"B\",\"B\"], n = 3</div>\n\n<div class=\"example-block\"><strong>输出：</strong>10</div>\n\n<div class=\"example-block\"><strong>解释：</strong>一种可能的序列为：A -&gt; B -&gt; idle -&gt; idle -&gt; A -&gt; B -&gt; idle -&gt; idle -&gt; A -&gt; B。</div>\n\n<div class=\"example-block\">只有两种任务类型，A 和 B，需要被 3 个间隔分割。这导致重复执行这些任务的间隔当中有两次待命状态。</div>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= tasks.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>tasks[i]</code> 是大写英文字母</li>\n\t<li><code>0 &lt;= n &lt;= 100</code></li>\n</ul>\n",
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