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https://gitee.com/coder-xiaomo/leetcode-problemset
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56 lines
5.6 KiB
JSON
56 lines
5.6 KiB
JSON
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"question": {
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"questionId": "2798",
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"questionFrontendId": "2677",
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"boundTopicId": null,
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"title": "Chunk Array",
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"titleSlug": "chunk-array",
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"content": "<p>Given an array <code>arr</code> and a chunk size <code>size</code>, return a <strong>chunked</strong> array. A <strong>chunked</strong> array contains the original elements in <code>arr</code>, but consists of subarrays each of length <code>size</code>. The length of the last subarray may be less than <code>size</code> if <code>arr.length</code> is not evenly divisible by <code>size</code>.</p>\n\n<p>You may assume the array is the output of <code>JSON.parse</code>. In other words, it is valid JSON.</p>\n\n<p>Please solve it without using lodash's <code>_.chunk</code> function.</p>\n\n<p> </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> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>arr is a valid JSON array</code></li>\n\t<li><code>2 <= JSON.stringify(arr).length <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= size <= arr.length + 1</code></li>\n</ul>\n",
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"difficulty": "Easy",
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"likes": 35,
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"exampleTestcases": "[1,2,3,4,5]\n1\n[1,9,6,3,2]\n3\n[8,5,3,2,6]\n6\n[]\n1",
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"categoryTitle": "JavaScript",
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"codeSnippets": [
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{
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"lang": "JavaScript",
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"langSlug": "javascript",
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"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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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "TypeScript",
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"langSlug": "typescript",
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"code": "function chunk(arr: any[], size: number): any[][] {\n\n};\n",
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"hints": [],
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"solution": null,
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"status": null,
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"sampleTestCase": "[1,2,3,4,5]\n1",
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"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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"envInfo": "{\"javascript\": [\"JavaScript\", \"<p><code>Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES6 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\\r\\n\\r\\n<p>For Priority Queue / Queue data structures, you may use 5.3.0 version of <a href=\\\"https://github.com/datastructures-js/priority-queue/tree/fb4fdb984834421279aeb081df7af624d17c2a03\\\" target=\\\"_blank\\\">datastructures-js/priority-queue</a> and 4.2.1 version of <a href=\\\"https://github.com/datastructures-js/queue/tree/e63563025a5a805aa16928cb53bcd517bfea9230\\\" target=\\\"_blank\\\">datastructures-js/queue</a>.</p>\"], \"typescript\": [\"Typescript\", \"<p><code>TypeScript 4.5.4, Node.js 16.13.2</code>.</p>\\r\\n\\r\\n<p>Your code is run with <code>--harmony</code> flag, enabling <a href=\\\"http://node.green/\\\" target=\\\"_blank\\\">new ES2020 features</a>.</p>\\r\\n\\r\\n<p><a href=\\\"https://lodash.com\\\" target=\\\"_blank\\\">lodash.js</a> library is included by default.</p>\"]}",
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