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leetcode-problemset/leetcode/originData/chunk-array.json
2023-12-09 19:57:46 +08:00

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{
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"questionId": "2798",
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"title": "Chunk Array",
"titleSlug": "chunk-array",
"content": "<p>Given an array <code>arr</code> and&nbsp;a chunk size&nbsp;<code>size</code>, return a&nbsp;<strong>chunked</strong> array. A&nbsp;<strong>chunked</strong>&nbsp;array contains the original elements in&nbsp;<code>arr</code>, but&nbsp;consists of subarrays each of length&nbsp;<code>size</code>. The length of the last subarray may be less than&nbsp;<code>size</code>&nbsp;if <code>arr.length</code>&nbsp;is not evenly divisible by <code>size</code>.</p>\n\n<p>You may assume the&nbsp;array&nbsp;is&nbsp;the output of&nbsp;<code>JSON.parse</code>. In other words, it is valid JSON.</p>\n\n<p>Please solve it without using lodash&#39;s&nbsp;<code>_.chunk</code>&nbsp;function.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,2,3,4,5], size = 1\n<strong>Output:</strong> [[1],[2],[3],[4],[5]]\n<strong>Explanation:</strong> The arr has been split into subarrays each with 1 element.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,9,6,3,2], size = 3\n<strong>Output:</strong> [[1,9,6],[3,2]]\n<strong>Explanation:</strong> The arr has been split into subarrays with 3 elements. However, only two elements are left for the 2nd subarray.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [8,5,3,2,6], size = 6\n<strong>Output:</strong> [[8,5,3,2,6]]\n<strong>Explanation:</strong> Size is greater than arr.length thus all elements are in the first subarray.\n</pre>\n\n<p><strong class=\"example\">Example 4:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [], size = 1\n<strong>Output:</strong> []\n<strong>Explanation:</strong> There are no elements to be chunked so an empty array is returned.</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>arr</code> is a valid JSON array</li>\n\t<li><code>2 &lt;= JSON.stringify(arr).length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= size &lt;= arr.length + 1</code></li>\n</ul>\n",
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"lang": "JavaScript",
"langSlug": "javascript",
"code": "/**\n * @param {Array} arr\n * @param {number} size\n * @return {Array}\n */\nvar chunk = function(arr, size) {\n \n};\n",
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"code": "type JSONValue = null | boolean | number | string | JSONValue[] | { [key: string]: JSONValue };\ntype Obj = Record<string, JSONValue> | Array<JSONValue>;\n\nfunction chunk(arr: Obj[], size: number): Obj[][] {\n\t\n};\n",
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"sampleTestCase": "[1,2,3,4,5]\n1",
"metaData": "{\n \"name\": \"chunkify\",\n \"params\": [\n {\n \"name\": \"arr\",\n \"type\": \"string\"\n },\n {\n \"type\": \"integer\",\n \"name\": \"size\"\n }\n ],\n \"return\": {\n \"type\": \"integer\"\n },\n \"languages\": [\n \"javascript\",\n \"typescript\"\n ],\n \"manual\": true\n}",
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