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{
"data": {
"question": {
"questionId": "1944",
"questionFrontendId": "1816",
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"title": "Truncate Sentence",
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"content": "<p>A <strong>sentence</strong> is a list of words that are separated by a single space with no leading or trailing spaces. Each of the words consists of <strong>only</strong> uppercase and lowercase English letters (no punctuation).</p>\n\n<ul>\n\t<li>For example, <code>&quot;Hello World&quot;</code>, <code>&quot;HELLO&quot;</code>, and <code>&quot;hello world hello world&quot;</code> are all sentences.</li>\n</ul>\n\n<p>You are given a sentence <code>s</code> and an integer <code>k</code>. You want to <strong>truncate</strong> <code>s</code> such that it contains only the <strong>first</strong> <code>k</code> words. Return <code>s</code><em> after <strong>truncating</strong> it.</em></p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;Hello how are you Contestant&quot;, k = 4\n<strong>Output:</strong> &quot;Hello how are you&quot;\n<strong>Explanation:</strong>\nThe words in s are [&quot;Hello&quot;, &quot;how&quot; &quot;are&quot;, &quot;you&quot;, &quot;Contestant&quot;].\nThe first 4 words are [&quot;Hello&quot;, &quot;how&quot;, &quot;are&quot;, &quot;you&quot;].\nHence, you should return &quot;Hello how are you&quot;.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;What is the solution to this problem&quot;, k = 4\n<strong>Output:</strong> &quot;What is the solution&quot;\n<strong>Explanation:</strong>\nThe words in s are [&quot;What&quot;, &quot;is&quot; &quot;the&quot;, &quot;solution&quot;, &quot;to&quot;, &quot;this&quot;, &quot;problem&quot;].\nThe first 4 words are [&quot;What&quot;, &quot;is&quot;, &quot;the&quot;, &quot;solution&quot;].\nHence, you should return &quot;What is the solution&quot;.</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;chopper is not a tanuki&quot;, k = 5\n<strong>Output:</strong> &quot;chopper is not a tanuki&quot;\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 500</code></li>\n\t<li><code>k</code> is in the range <code>[1, the number of words in s]</code>.</li>\n\t<li><code>s</code> consist of only lowercase and uppercase English letters and spaces.</li>\n\t<li>The words in <code>s</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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"exampleTestcases": "\"Hello how are you Contestant\"\n4\n\"What is the solution to this problem\"\n4\n\"chopper is not a tanuki\"\n5",
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"code": "class Solution {\npublic:\n string truncateSentence(string s, int k) {\n \n }\n};",
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"code": "class Solution {\n public String truncateSentence(String s, int k) {\n \n }\n}",
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"code": "class Solution(object):\n def truncateSentence(self, s, k):\n \"\"\"\n :type s: str\n :type k: int\n :rtype: str\n \"\"\"\n ",
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"code": "char* truncateSentence(char* s, int k) {\n \n}",
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"code": "/**\n * @param {string} s\n * @param {number} k\n * @return {string}\n */\nvar truncateSentence = function(s, k) {\n \n};",
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"lang": "PHP",
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"code": "class Solution {\n\n /**\n * @param String $s\n * @param Integer $k\n * @return String\n */\n function truncateSentence($s, $k) {\n \n }\n}",
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"code": "func truncateSentence(s string, k int) string {\n \n}",
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"code": "# @param {String} s\n# @param {Integer} k\n# @return {String}\ndef truncate_sentence(s, k)\n \nend",
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"code": "object Solution {\n def truncateSentence(s: String, k: Int): String = {\n \n }\n}",
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"lang": "Rust",
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"code": "impl Solution {\n pub fn truncate_sentence(s: String, k: i32) -> String {\n \n }\n}",
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"lang": "Racket",
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"code": "(define/contract (truncate-sentence s k)\n (-> string? exact-integer? string?)\n )",
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"lang": "Erlang",
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"code": "-spec truncate_sentence(S :: unicode:unicode_binary(), K :: integer()) -> unicode:unicode_binary().\ntruncate_sentence(S, K) ->\n .",
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"lang": "Elixir",
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"code": "defmodule Solution do\n @spec truncate_sentence(s :: String.t, k :: integer) :: String.t\n def truncate_sentence(s, k) do\n \n end\nend",
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"hints": [
"It's easier to solve this problem on an array of strings so parse the string to an array of words",
"After return the first k words as a sentence"
],
"solution": null,
"status": null,
"sampleTestCase": "\"Hello how are you Contestant\"\n4",
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