leetcode-problemset/leetcode-cn/originData/numbers-with-repeated-digits.json

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            "categoryTitle": "Algorithms",
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            "title": "Numbers With Repeated Digits",
            "titleSlug": "numbers-with-repeated-digits",
            "content": "<p>Given an integer <code>n</code>, return <em>the number of positive integers in the range </em><code>[1, n]</code><em> that have <strong>at least one</strong> repeated digit</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 20\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> The only positive number (&lt;= 20) with at least 1 repeated digit is 11.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 100\n<strong>Output:</strong> 10\n<strong>Explanation:</strong> The positive numbers (&lt;= 100) with atleast 1 repeated digit are 11, 22, 33, 44, 55, 66, 77, 88, 99, and 100.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 1000\n<strong>Output:</strong> 262\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= n &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
            "translatedTitle": "至少有 1 位重复的数字",
            "translatedContent": "<p>给定正整数&nbsp;<code>n</code>，返回在<em>&nbsp;</em><code>[1, n]</code><em>&nbsp;</em>范围内具有 <strong>至少 1 位</strong> 重复数字的正整数的个数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>n = 20\n<strong>输出：</strong>1\n<strong>解释：</strong>具有至少 1 位重复数字的正数（&lt;= 20）只有 11 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>n = 100\n<strong>输出：</strong>10\n<strong>解释：</strong>具有至少 1 位重复数字的正数（&lt;= 100）有 11，22，33，44，55，66，77，88，99 和 100 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>n = 1000\n<strong>输出：</strong>262\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= n &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
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