leetcode-problemset/leetcode-cn/originData/largest-odd-number-in-string.json

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            "title": "Largest Odd Number in String",
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            "content": "<p>You are given a string <code>num</code>, representing a large integer. Return <em>the <strong>largest-valued odd</strong> integer (as a string) that is a <strong>non-empty substring</strong> of </em><code>num</code><em>, or an empty string </em><code>&quot;&quot;</code><em> if no odd integer exists</em>.</p>\n\n<p>A <strong>substring</strong> is a contiguous sequence of characters within a string.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;52&quot;\n<strong>Output:</strong> &quot;5&quot;\n<strong>Explanation:</strong> The only non-empty substrings are &quot;5&quot;, &quot;2&quot;, and &quot;52&quot;. &quot;5&quot; is the only odd number.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;4206&quot;\n<strong>Output:</strong> &quot;&quot;\n<strong>Explanation:</strong> There are no odd numbers in &quot;4206&quot;.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> num = &quot;35427&quot;\n<strong>Output:</strong> &quot;35427&quot;\n<strong>Explanation:</strong> &quot;35427&quot; is already an odd number.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= num.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>num</code> only consists of digits and does not contain any leading zeros.</li>\n</ul>\n",
            "translatedTitle": "字符串中的最大奇数",
            "translatedContent": "<p>给你一个字符串 <code>num</code> ，表示一个大整数。请你在字符串 <code>num</code> 的所有 <strong>非空子字符串</strong> 中找出 <strong>值最大的奇数</strong> ，并以字符串形式返回。如果不存在奇数，则返回一个空字符串<em> </em><code>\"\"</code><em> </em>。</p>\n\n<p><strong>子字符串</strong> 是字符串中的一个连续的字符序列。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>num = \"52\"\n<strong>输出：</strong>\"5\"\n<strong>解释：</strong>非空子字符串仅有 \"5\"、\"2\" 和 \"52\" 。\"5\" 是其中唯一的奇数。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>num = \"4206\"\n<strong>输出：</strong>\"\"\n<strong>解释：</strong>在 \"4206\" 中不存在奇数。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>num = \"35427\"\n<strong>输出：</strong>\"35427\"\n<strong>解释：</strong>\"35427\" 本身就是一个奇数。\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 <= num.length <= 10<sup>5</sup></code></li>\n\t<li><code>num</code> 仅由数字组成且不含前导零</li>\n</ul>\n",
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            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "\"52\"\n\"4206\"\n\"35427\"",
            "__typename": "QuestionNode"
        }
    }
}