mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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161 lines
15 KiB
JSON
161 lines
15 KiB
JSON
{
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"question": {
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"questionId": "1714",
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"questionFrontendId": "1592",
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"boundTopicId": null,
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"title": "Rearrange Spaces Between Words",
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"titleSlug": "rearrange-spaces-between-words",
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"content": "<p>You are given a string <code>text</code> of words that are placed among some number of spaces. Each word consists of one or more lowercase English letters and are separated by at least one space. It's guaranteed that <code>text</code> <strong>contains at least one word</strong>.</p>\n\n<p>Rearrange the spaces so that there is an <strong>equal</strong> number of spaces between every pair of adjacent words and that number is <strong>maximized</strong>. If you cannot redistribute all the spaces equally, place the <strong>extra spaces at the end</strong>, meaning the returned string should be the same length as <code>text</code>.</p>\n\n<p>Return <em>the string after rearranging the spaces</em>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> text = " this is a sentence "\n<strong>Output:</strong> "this is a sentence"\n<strong>Explanation:</strong> There are a total of 9 spaces and 4 words. We can evenly divide the 9 spaces between the words: 9 / (4-1) = 3 spaces.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> text = " practice makes perfect"\n<strong>Output:</strong> "practice makes perfect "\n<strong>Explanation:</strong> There are a total of 7 spaces and 3 words. 7 / (3-1) = 3 spaces plus 1 extra space. We place this extra space at the end of the string.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= text.length <= 100</code></li>\n\t<li><code>text</code> consists of lowercase English letters and <code>' '</code>.</li>\n\t<li><code>text</code> contains at least one word.</li>\n</ul>\n",
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"difficulty": "Easy",
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"likes": 257,
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"similarQuestions": "[{\"title\": \"Text Justification\", \"titleSlug\": \"text-justification\", \"difficulty\": \"Hard\", \"translatedTitle\": null}]",
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"exampleTestcases": "\" this is a sentence \"\n\" practice makes perfect\"",
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"categoryTitle": "Algorithms",
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"name": "String",
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"code": "class Solution {\npublic:\n string reorderSpaces(string text) {\n \n }\n};",
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"code": "class Solution {\n public String reorderSpaces(String text) {\n \n }\n}",
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"lang": "Python",
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"code": "class Solution(object):\n def reorderSpaces(self, text):\n \"\"\"\n :type text: str\n :rtype: str\n \"\"\"\n ",
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"lang": "C",
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"code": "\n\nchar * reorderSpaces(char * text){\n\n}",
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"lang": "JavaScript",
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"lang": "Ruby",
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"langSlug": "ruby",
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"code": "# @param {String} text\n# @return {String}\ndef reorder_spaces(text)\n \nend",
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"lang": "Go",
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"code": "func reorderSpaces(text string) string {\n \n}",
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"lang": "Scala",
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"code": "object Solution {\n def reorderSpaces(text: String): String = {\n \n }\n}",
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"code": "class Solution {\n\n /**\n * @param String $text\n * @return String\n */\n function reorderSpaces($text) {\n \n }\n}",
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"code": "(define/contract (reorder-spaces text)\n (-> string? string?)\n\n )",
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"lang": "Erlang",
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"langSlug": "erlang",
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"code": "-spec reorder_spaces(Text :: unicode:unicode_binary()) -> unicode:unicode_binary().\nreorder_spaces(Text) ->\n .",
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec reorder_spaces(text :: String.t) :: String.t\n def reorder_spaces(text) do\n\n end\nend",
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"hints": [
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"Count the total number of spaces and words. Then use the integer division to determine the numbers of spaces to add between each word and at the end."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "\" this is a sentence \"",
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"metaData": "{\n \"name\": \"reorderSpaces\",\n \"params\": [\n {\n \"name\": \"text\",\n \"type\": \"string\"\n }\n ],\n \"return\": {\n \"type\": \"string\"\n }\n}",
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"envInfo": "{\"cpp\": [\"C++\", \"<p>Compiled with <code> clang 11 </code> using the latest C++ 17 standard.</p>\\r\\n\\r\\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\\\"https://github.com/google/sanitizers/wiki/AddressSanitizer\\\" target=\\\"_blank\\\">AddressSanitizer</a> is also enabled to help detect out-of-bounds and use-after-free bugs.</p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\"], \"java\": [\"Java\", \"<p><code> OpenJDK 17 </code>. Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. 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Adding an item to a hash.</b>\\r\\n<pre>\\r\\nstruct hash_entry {\\r\\n int id; /* we'll use this field as the key */\\r\\n char name[10];\\r\\n UT_hash_handle hh; /* makes this structure hashable */\\r\\n};\\r\\n\\r\\nstruct hash_entry *users = NULL;\\r\\n\\r\\nvoid add_user(struct hash_entry *s) {\\r\\n HASH_ADD_INT(users, id, s);\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>2. Looking up an item in a hash:</b>\\r\\n<pre>\\r\\nstruct hash_entry *find_user(int user_id) {\\r\\n struct hash_entry *s;\\r\\n HASH_FIND_INT(users, &user_id, s);\\r\\n return s;\\r\\n}\\r\\n</pre>\\r\\n</p>\\r\\n\\r\\n<p><b>3. 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