{ "data": { "question": { "questionId": "2283", "questionFrontendId": "2164", "boundTopicId": null, "title": "Sort Even and Odd Indices Independently", "titleSlug": "sort-even-and-odd-indices-independently", "content": "<p>You are given a <strong>0-indexed</strong> integer array <code>nums</code>. Rearrange the values of <code>nums</code> according to the following rules:</p>\n\n<ol>\n\t<li>Sort the values at <strong>odd indices</strong> of <code>nums</code> in <strong>non-increasing</strong> order.\n\n\t<ul>\n\t\t<li>For example, if <code>nums = [4,<strong><u>1</u></strong>,2,<u><strong>3</strong></u>]</code> before this step, it becomes <code>[4,<u><strong>3</strong></u>,2,<strong><u>1</u></strong>]</code> after. The values at odd indices <code>1</code> and <code>3</code> are sorted in non-increasing order.</li>\n\t</ul>\n\t</li>\n\t<li>Sort the values at <strong>even indices</strong> of <code>nums</code> in <strong>non-decreasing</strong> order.\n\t<ul>\n\t\t<li>For example, if <code>nums = [<u><strong>4</strong></u>,1,<u><strong>2</strong></u>,3]</code> before this step, it becomes <code>[<u><strong>2</strong></u>,1,<u><strong>4</strong></u>,3]</code> after. The values at even indices <code>0</code> and <code>2</code> are sorted in non-decreasing order.</li>\n\t</ul>\n\t</li>\n</ol>\n\n<p>Return <em>the array formed after rearranging the values of</em> <code>nums</code>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [4,1,2,3]\n<strong>Output:</strong> [2,3,4,1]\n<strong>Explanation:</strong> \nFirst, we sort the values present at odd indices (1 and 3) in non-increasing order.\nSo, nums changes from [4,<strong><u>1</u></strong>,2,<strong><u>3</u></strong>] to [4,<u><strong>3</strong></u>,2,<strong><u>1</u></strong>].\nNext, we sort the values present at even indices (0 and 2) in non-decreasing order.\nSo, nums changes from [<u><strong>4</strong></u>,1,<strong><u>2</u></strong>,3] to [<u><strong>2</strong></u>,3,<u><strong>4</strong></u>,1].\nThus, the array formed after rearranging the values is [2,3,4,1].\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [2,1]\n<strong>Output:</strong> [2,1]\n<strong>Explanation:</strong> \nSince there is exactly one odd index and one even index, no rearrangement of values takes place.\nThe resultant array formed is [2,1], which is the same as the initial array. \n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 100</code></li>\n\t<li><code>1 <= nums[i] <= 100</code></li>\n</ul>\n", "translatedTitle": null, "translatedContent": null, "isPaidOnly": false, "difficulty": "Easy", "likes": 236, "dislikes": 11, "isLiked": null, "similarQuestions": "[{\"title\": \"Sort Array By Parity\", \"titleSlug\": \"sort-array-by-parity\", \"difficulty\": \"Easy\", \"translatedTitle\": null}, {\"title\": \"Sort Array By Parity II\", \"titleSlug\": \"sort-array-by-parity-ii\", \"difficulty\": \"Easy\", \"translatedTitle\": null}]", "exampleTestcases": "[4,1,2,3]\n[2,1]", "categoryTitle": "Algorithms", "contributors": [], "topicTags": [ { "name": "Array", "slug": "array", "translatedName": null, "__typename": "TopicTagNode" }, { "name": "Sorting", "slug": "sorting", "translatedName": null, "__typename": "TopicTagNode" } ], "companyTagStats": null, "codeSnippets": [ { "lang": "C++", "langSlug": "cpp", "code": "class Solution {\npublic:\n vector<int> sortEvenOdd(vector<int>& nums) {\n \n }\n};", "__typename": "CodeSnippetNode" }, { "lang": "Java", "langSlug": "java", "code": "class Solution {\n public int[] sortEvenOdd(int[] nums) {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Python", "langSlug": "python", "code": "class Solution(object):\n def sortEvenOdd(self, nums):\n \"\"\"\n :type nums: List[int]\n :rtype: List[int]\n \"\"\"\n ", "__typename": "CodeSnippetNode" }, { "lang": "Python3", "langSlug": "python3", "code": "class Solution:\n def sortEvenOdd(self, nums: List[int]) -> List[int]:\n ", "__typename": "CodeSnippetNode" }, { "lang": "C", "langSlug": "c", "code": "\n\n/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nint* sortEvenOdd(int* nums, int numsSize, int* returnSize){\n\n}", "__typename": "CodeSnippetNode" }, { "lang": "C#", "langSlug": "csharp", "code": "public class Solution {\n public int[] SortEvenOdd(int[] nums) {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "JavaScript", "langSlug": "javascript", "code": "/**\n * @param {number[]} nums\n * @return {number[]}\n */\nvar sortEvenOdd = function(nums) {\n \n};", "__typename": "CodeSnippetNode" }, { "lang": "Ruby", "langSlug": "ruby", "code": "# @param {Integer[]} nums\n# @return {Integer[]}\ndef sort_even_odd(nums)\n \nend", "__typename": "CodeSnippetNode" }, { "lang": "Swift", "langSlug": "swift", "code": "class Solution {\n func sortEvenOdd(_ nums: [Int]) -> [Int] {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Go", "langSlug": "golang", "code": "func sortEvenOdd(nums []int) []int {\n \n}", "__typename": "CodeSnippetNode" }, { "lang": "Scala", "langSlug": "scala", "code": "object Solution {\n def sortEvenOdd(nums: Array[Int]): Array[Int] = {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Kotlin", "langSlug": "kotlin", "code": "class Solution {\n fun sortEvenOdd(nums: IntArray): IntArray {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Rust", "langSlug": "rust", "code": "impl Solution {\n pub fn sort_even_odd(nums: Vec<i32>) -> Vec<i32> {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "PHP", "langSlug": "php", "code": "class Solution {\n\n /**\n * @param Integer[] $nums\n * @return Integer[]\n */\n function sortEvenOdd($nums) {\n \n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "TypeScript", "langSlug": "typescript", "code": "function sortEvenOdd(nums: number[]): number[] {\n\n};", "__typename": "CodeSnippetNode" }, { "lang": "Racket", "langSlug": "racket", "code": "(define/contract (sort-even-odd nums)\n (-> (listof exact-integer?) (listof exact-integer?))\n\n )", "__typename": "CodeSnippetNode" }, { "lang": "Erlang", "langSlug": "erlang", "code": "-spec sort_even_odd(Nums :: [integer()]) -> [integer()].\nsort_even_odd(Nums) ->\n .", "__typename": "CodeSnippetNode" }, { "lang": "Elixir", "langSlug": "elixir", "code": "defmodule Solution do\n @spec sort_even_odd(nums :: [integer]) :: [integer]\n def sort_even_odd(nums) do\n\n end\nend", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"23.1K\", \"totalSubmission\": \"34.1K\", \"totalAcceptedRaw\": 23053, \"totalSubmissionRaw\": 34060, \"acRate\": \"67.7%\"}", "hints": [ "Try to separate the elements at odd indices from the elements at even indices.", "Sort the two groups of elements individually.", "Combine them to form the resultant array." ], "solution": null, "status": null, "sampleTestCase": "[4,1,2,3]", "metaData": "{\n \"name\": \"sortEvenOdd\",\n \"params\": [\n {\n \"name\": \"nums\",\n \"type\": \"integer[]\"\n }\n ],\n \"return\": {\n \"type\": \"integer[]\"\n },\n \"manual\": false\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "enableTestMode": false, "enableDebugger": true, "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>. 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