leetcode-problemset/leetcode-cn/originData/count-symmetric-integers.json

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            "categoryTitle": "Algorithms",
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            "title": "  Count Symmetric Integers",
            "titleSlug": "count-symmetric-integers",
            "content": "<p>You are given two positive integers <code>low</code> and <code>high</code>.</p>\n\n<p>An integer <code>x</code> consisting of <code>2 * n</code> digits is <strong>symmetric</strong> if the sum of the first <code>n</code> digits of <code>x</code> is equal to the sum of the last <code>n</code> digits of <code>x</code>. Numbers with an odd number of digits are never symmetric.</p>\n\n<p>Return <em>the <strong>number of symmetric</strong> integers in the range</em> <code>[low, high]</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> low = 1, high = 100\n<strong>Output:</strong> 9\n<strong>Explanation:</strong> There are 9 symmetric integers between 1 and 100: 11, 22, 33, 44, 55, 66, 77, 88, and 99.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> low = 1200, high = 1230\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> There are 4 symmetric integers between 1200 and 1230: 1203, 1212, 1221, and 1230.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= low &lt;= high &lt;= 10<sup>4</sup></code></li>\n</ul>\n",
            "translatedTitle": "统计对称整数的数目",
            "translatedContent": "<p>给你两个正整数 <code>low</code> 和 <code>high</code> 。</p>\n\n<p>对于一个由 <code>2 * n</code> 位数字组成的整数 <code>x</code> ，如果其前 <code>n</code> 位数字之和与后 <code>n</code> 位数字之和相等，则认为这个数字是一个对称整数。</p>\n\n<p>返回在 <code>[low, high]</code> 范围内的 <strong>对称整数的数目</strong> 。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>low = 1, high = 100\n<strong>输出：</strong>9\n<strong>解释：</strong>在 1 到 100 范围内共有 9 个对称整数：11、22、33、44、55、66、77、88 和 99 。\n</pre>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>low = 1200, high = 1230\n<strong>输出：</strong>4\n<strong>解释：</strong>在 1200 到 1230 范围内共有 4 个对称整数：1203、1212、1221 和 1230 。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= low &lt;= high &lt;= 10<sup>4</sup></code></li>\n</ul>\n",
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                "<div class=\"_1l1MA\">Iterate over all numbers from <code>low</code> to <code>high</code></div>",
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