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"questionFrontendId": "面试题 01.03",
"categoryTitle": "LCCI",
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"title": "String to URL LCCI",
"titleSlug": "string-to-url-lcci",
"content": "<p>Write a method to replace all spaces in a string with '%20'. You may assume that the string has sufficient space at the end to hold the additional characters,and that you are given the "true" length of the string. (Note: If implementing in Java,please use a character array so that you can perform this operation in place.)</p>\r\n\r\n<p><strong>Example 1:</strong></p>\r\n\r\n<pre>\r\n<strong>Input: </strong>"Mr John Smith ", 13\r\n<strong>Output: </strong>"Mr%20John%20Smith"\r\n</pre>\r\n\r\n<p><strong>Example 2:</strong></p>\r\n\r\n<pre>\r\n<strong>Input: </strong>" ", 5\r\n<strong>Output: </strong>"%20%20%20%20%20"\r\n</pre>\r\n\r\n<p> </p>\r\n\r\n<p><strong>Note:</strong></p>\r\n\r\n<ol>\r\n\t<li><code>0 <= S.length <= 500000</code></li>\r\n</ol>\r\n",
"translatedTitle": "URL化",
"translatedContent": "<p>URL化。编写一种方法，将字符串中的空格全部替换为<code>%20</code>。假定该字符串尾部有足够的空间存放新增字符，并且知道字符串的“真实”长度。（注：用<code>Java</code>实现的话，请使用字符数组实现，以便直接在数组上操作。）</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入</strong>：\"Mr John Smith \", 13\n<strong>输出</strong>：\"Mr%20John%20Smith\"\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入</strong>：\" \", 5\n<strong>输出</strong>：\"%20%20%20%20%20\"\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li>字符串长度在 [0, 500000] 范围内。</li>\n</ul>\n",
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"hints": [
"从尾到头开始修改字符串通常最容易。",
"你可能需要知道空格的数量。你能数一下吗？"
],
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