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            "title": "Circular Sentence",
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            "content": "<p>A <strong>sentence</strong> is a list of words that are separated by a<strong> single</strong> space with no leading or trailing spaces.</p>\n\n<ul>\n\t<li>For example, <code>&quot;Hello World&quot;</code>, <code>&quot;HELLO&quot;</code>, <code>&quot;hello world hello world&quot;</code> are all sentences.</li>\n</ul>\n\n<p>Words consist of <strong>only</strong> uppercase and lowercase English letters. Uppercase and lowercase English letters are considered different.</p>\n\n<p>A sentence is <strong>circular </strong>if:</p>\n\n<ul>\n\t<li>The last character of a word is equal to the first character of the next word.</li>\n\t<li>The last character of the last word is equal to the first character of the first word.</li>\n</ul>\n\n<p>For example, <code>&quot;leetcode exercises sound delightful&quot;</code>, <code>&quot;eetcode&quot;</code>, <code>&quot;leetcode eats soul&quot; </code>are all circular sentences. However, <code>&quot;Leetcode is cool&quot;</code>, <code>&quot;happy Leetcode&quot;</code>, <code>&quot;Leetcode&quot;</code> and <code>&quot;I like Leetcode&quot;</code> are <strong>not</strong> circular sentences.</p>\n\n<p>Given a string <code>sentence</code>, return <code>true</code><em> if it is circular</em>. Otherwise, return <code>false</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> sentence = &quot;leetcode exercises sound delightful&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The words in sentence are [&quot;leetcode&quot;, &quot;exercises&quot;, &quot;sound&quot;, &quot;delightful&quot;].\n- leetcod<u>e</u>&#39;s&nbsp;last character is equal to <u>e</u>xercises&#39;s first character.\n- exercise<u>s</u>&#39;s&nbsp;last character is equal to <u>s</u>ound&#39;s first character.\n- soun<u>d</u>&#39;s&nbsp;last character is equal to <u>d</u>elightful&#39;s first character.\n- delightfu<u>l</u>&#39;s&nbsp;last character is equal to <u>l</u>eetcode&#39;s first character.\nThe sentence is circular.</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> sentence = &quot;eetcode&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The words in sentence are [&quot;eetcode&quot;].\n- eetcod<u>e</u>&#39;s&nbsp;last character is equal to <u>e</u>etcode&#39;s first character.\nThe sentence is circular.</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> sentence = &quot;Leetcode is cool&quot;\n<strong>Output:</strong> false\n<strong>Explanation:</strong> The words in sentence are [&quot;Leetcode&quot;, &quot;is&quot;, &quot;cool&quot;].\n- Leetcod<u>e</u>&#39;s&nbsp;last character is <strong>not</strong> equal to <u>i</u>s&#39;s first character.\nThe sentence is <strong>not</strong> circular.</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= sentence.length &lt;= 500</code></li>\n\t<li><code>sentence</code> consist of only lowercase and uppercase English letters and spaces.</li>\n\t<li>The words in <code>sentence</code> are separated by a single space.</li>\n\t<li>There are no leading or trailing spaces.</li>\n</ul>\n",
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                    "code": "class Solution {\npublic:\n    bool isCircularSentence(string sentence) {\n        \n    }\n};",
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                    "code": "class Solution(object):\n    def isCircularSentence(self, sentence):\n        \"\"\"\n        :type sentence: str\n        :rtype: bool\n        \"\"\"\n        ",
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                    "code": "public class Solution {\n    public bool IsCircularSentence(string sentence) {\n        \n    }\n}",
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                    "code": "/**\n * @param {string} sentence\n * @return {boolean}\n */\nvar isCircularSentence = function(sentence) {\n    \n};",
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                    "code": "function isCircularSentence(sentence: string): boolean {\n    \n};",
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                    "code": "class Solution {\n\n    /**\n     * @param String $sentence\n     * @return Boolean\n     */\n    function isCircularSentence($sentence) {\n        \n    }\n}",
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                    "code": "class Solution {\n    func isCircularSentence(_ sentence: String) -> Bool {\n        \n    }\n}",
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                    "code": "class Solution {\n    fun isCircularSentence(sentence: String): Boolean {\n        \n    }\n}",
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                    "code": "func isCircularSentence(sentence string) bool {\n    \n}",
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                    "code": "# @param {String} sentence\n# @return {Boolean}\ndef is_circular_sentence(sentence)\n    \nend",
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                    "code": "object Solution {\n    def isCircularSentence(sentence: String): Boolean = {\n        \n    }\n}",
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                    "lang": "Rust",
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                    "code": "impl Solution {\n    pub fn is_circular_sentence(sentence: String) -> bool {\n        \n    }\n}",
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                    "code": "-spec is_circular_sentence(Sentence :: unicode:unicode_binary()) -> boolean().\nis_circular_sentence(Sentence) ->\n  .",
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                    "code": "defmodule Solution do\n  @spec is_circular_sentence(sentence :: String.t) :: boolean\n  def is_circular_sentence(sentence) do\n    \n  end\nend",
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            "hints": [
                "Check the character before the empty space and the character after the empty space.",
                "Check the first character and the last character of the sentence."
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