leetcode-problemset/leetcode-cn/originData/maximum-number-of-occurrences-of-a-substring.json

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            "categoryTitle": "Algorithms",
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            "title": "Maximum Number of Occurrences of a Substring",
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            "content": "<p>Given a string <code>s</code>, return the maximum number of occurrences of <strong>any</strong> substring under the following rules:</p>\n\n<ul>\n\t<li>The number of unique characters in the substring must be less than or equal to <code>maxLetters</code>.</li>\n\t<li>The substring size must be between <code>minSize</code> and <code>maxSize</code> inclusive.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;aababcaab&quot;, maxLetters = 2, minSize = 3, maxSize = 4\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> Substring &quot;aab&quot; has 2 occurrences in the original string.\nIt satisfies the conditions, 2 unique letters and size 3 (between minSize and maxSize).\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;aaaa&quot;, maxLetters = 1, minSize = 3, maxSize = 3\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> Substring &quot;aaa&quot; occur 2 times in the string. It can overlap.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= maxLetters &lt;= 26</code></li>\n\t<li><code>1 &lt;= minSize &lt;= maxSize &lt;= min(26, s.length)</code></li>\n\t<li><code>s</code> consists of only lowercase English letters.</li>\n</ul>\n",
            "translatedTitle": "子串的最大出现次数",
            "translatedContent": "<p>给你一个字符串&nbsp;<code>s</code> ，请你返回满足以下条件且出现次数最大的&nbsp;<strong>任意</strong>&nbsp;子串的出现次数：</p>\n\n<ul>\n\t<li>子串中不同字母的数目必须小于等于 <code>maxLetters</code> 。</li>\n\t<li>子串的长度必须大于等于&nbsp;<code>minSize</code> 且小于等于&nbsp;<code>maxSize</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><strong>输入：</strong>s = &quot;aababcaab&quot;, maxLetters = 2, minSize = 3, maxSize = 4\n<strong>输出：</strong>2\n<strong>解释：</strong>子串 &quot;aab&quot; 在原字符串中出现了 2 次。\n它满足所有的要求：2 个不同的字母，长度为 3 （在 minSize 和 maxSize 范围内）。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><strong>输入：</strong>s = &quot;aaaa&quot;, maxLetters = 1, minSize = 3, maxSize = 3\n<strong>输出：</strong>2\n<strong>解释：</strong>子串 &quot;aaa&quot; 在原字符串中出现了 2 次，且它们有重叠部分。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><strong>输入：</strong>s = &quot;aabcabcab&quot;, maxLetters = 2, minSize = 2, maxSize = 3\n<strong>输出：</strong>3\n</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre><strong>输入：</strong>s = &quot;abcde&quot;, maxLetters = 2, minSize = 3, maxSize = 3\n<strong>输出：</strong>0\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 10^5</code></li>\n\t<li><code>1 &lt;= maxLetters &lt;= 26</code></li>\n\t<li><code>1 &lt;= minSize &lt;= maxSize &lt;= min(26, s.length)</code></li>\n\t<li><code>s</code>&nbsp;只包含小写英文字母。</li>\n</ul>\n",
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            "hints": [
                "Check out the constraints, (maxSize <=26).",
                "This means you can explore all substrings in O(n * 26).",
                "Find the Maximum Number of Occurrences of a Substring with bruteforce."
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