leetcode-problemset/leetcode/originData/find-the-distinct-difference-array.json

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        "question": {
            "questionId": "2777",
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            "title": "Find the Distinct Difference Array",
            "titleSlug": "find-the-distinct-difference-array",
            "content": "<p>You are given a <strong>0-indexed</strong> array <code>nums</code> of length <code>n</code>.</p>\n\n<p>The <strong>distinct difference</strong> array of <code>nums</code> is an array <code>diff</code> of length <code>n</code> such that <code>diff[i]</code> is equal to the number of distinct elements in the suffix <code>nums[i + 1, ..., n - 1]</code> <strong>subtracted from</strong> the number of distinct elements in the prefix <code>nums[0, ..., i]</code>.</p>\n\n<p>Return <em>the <strong>distinct difference</strong> array of </em><code>nums</code>.</p>\n\n<p>Note that <code>nums[i, ..., j]</code> denotes the subarray of <code>nums</code> starting at index <code>i</code> and ending at index <code>j</code> inclusive. Particularly, if <code>i &gt; j</code> then <code>nums[i, ..., j]</code> denotes an empty subarray.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,2,3,4,5]\n<strong>Output:</strong> [-3,-1,1,3,5]\n<strong>Explanation:</strong> For index i = 0, there is 1 element in the prefix and 4 distinct elements in the suffix. Thus, diff[0] = 1 - 4 = -3.\nFor index i = 1, there are 2 distinct elements in the prefix and 3 distinct elements in the suffix. Thus, diff[1] = 2 - 3 = -1.\nFor index i = 2, there are 3 distinct elements in the prefix and 2 distinct elements in the suffix. Thus, diff[2] = 3 - 2 = 1.\nFor index i = 3, there are 4 distinct elements in the prefix and 1 distinct element in the suffix. Thus, diff[3] = 4 - 1 = 3.\nFor index i = 4, there are 5 distinct elements in the prefix and no elements in the suffix. Thus, diff[4] = 5 - 0 = 5.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [3,2,3,4,2]\n<strong>Output:</strong> [-2,-1,0,2,3]\n<strong>Explanation:</strong> For index i = 0, there is 1 element in the prefix and 3 distinct elements in the suffix. Thus, diff[0] = 1 - 3 = -2.\nFor index i = 1, there are 2 distinct elements in the prefix and 3 distinct elements in the suffix. Thus, diff[1] = 2 - 3 = -1.\nFor index i = 2, there are 2 distinct elements in the prefix and 2 distinct elements in the suffix. Thus, diff[2] = 2 - 2 = 0.\nFor index i = 3, there are 3 distinct elements in the prefix and 1 distinct element in the suffix. Thus, diff[3] = 3 - 1 = 2.\nFor index i = 4, there are 3 distinct elements in the prefix and no elements in the suffix. Thus, diff[4] = 3 - 0 = 3.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= n == nums.length&nbsp;&lt;= 50</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 50</code></li>\n</ul>\n",
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                    "name": "Array",
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                {
                    "lang": "C++",
                    "langSlug": "cpp",
                    "code": "class Solution {\npublic:\n    vector<int> distinctDifferenceArray(vector<int>& nums) {\n        \n    }\n};",
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                    "lang": "Java",
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                    "code": "class Solution {\n    public int[] distinctDifferenceArray(int[] nums) {\n        \n    }\n}",
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                {
                    "lang": "Python",
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                    "code": "class Solution(object):\n    def distinctDifferenceArray(self, nums):\n        \"\"\"\n        :type nums: List[int]\n        :rtype: List[int]\n        \"\"\"\n        ",
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                    "lang": "Python3",
                    "langSlug": "python3",
                    "code": "class Solution:\n    def distinctDifferenceArray(self, nums: List[int]) -> List[int]:\n        ",
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                {
                    "lang": "C",
                    "langSlug": "c",
                    "code": "/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nint* distinctDifferenceArray(int* nums, int numsSize, int* returnSize){\n\n}",
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                    "lang": "C#",
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                    "code": "public class Solution {\n    public int[] DistinctDifferenceArray(int[] nums) {\n        \n    }\n}",
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                {
                    "lang": "JavaScript",
                    "langSlug": "javascript",
                    "code": "/**\n * @param {number[]} nums\n * @return {number[]}\n */\nvar distinctDifferenceArray = function(nums) {\n    \n};",
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                    "lang": "TypeScript",
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                    "code": "function distinctDifferenceArray(nums: number[]): number[] {\n\n};",
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                    "lang": "PHP",
                    "langSlug": "php",
                    "code": "class Solution {\n\n    /**\n     * @param Integer[] $nums\n     * @return Integer[]\n     */\n    function distinctDifferenceArray($nums) {\n        \n    }\n}",
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                {
                    "lang": "Swift",
                    "langSlug": "swift",
                    "code": "class Solution {\n    func distinctDifferenceArray(_ nums: [Int]) -> [Int] {\n        \n    }\n}",
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                {
                    "lang": "Kotlin",
                    "langSlug": "kotlin",
                    "code": "class Solution {\n    fun distinctDifferenceArray(nums: IntArray): IntArray {\n        \n    }\n}",
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                    "lang": "Dart",
                    "langSlug": "dart",
                    "code": "class Solution {\n  List<int> distinctDifferenceArray(List<int> nums) {\n\n  }\n}",
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                {
                    "lang": "Go",
                    "langSlug": "golang",
                    "code": "func distinctDifferenceArray(nums []int) []int {\n    \n}",
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                {
                    "lang": "Ruby",
                    "langSlug": "ruby",
                    "code": "# @param {Integer[]} nums\n# @return {Integer[]}\ndef distinct_difference_array(nums)\n    \nend",
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                    "lang": "Scala",
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                    "code": "object Solution {\n    def distinctDifferenceArray(nums: Array[Int]): Array[Int] = {\n        \n    }\n}",
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                {
                    "lang": "Rust",
                    "langSlug": "rust",
                    "code": "impl Solution {\n    pub fn distinct_difference_array(nums: Vec<i32>) -> Vec<i32> {\n        \n    }\n}",
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                {
                    "lang": "Racket",
                    "langSlug": "racket",
                    "code": "(define/contract (distinct-difference-array nums)\n  (-> (listof exact-integer?) (listof exact-integer?))\n\n  )",
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                {
                    "lang": "Erlang",
                    "langSlug": "erlang",
                    "code": "-spec distinct_difference_array(Nums :: [integer()]) -> [integer()].\ndistinct_difference_array(Nums) ->\n  .",
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                {
                    "lang": "Elixir",
                    "langSlug": "elixir",
                    "code": "defmodule Solution do\n  @spec distinct_difference_array(nums :: [integer]) :: [integer]\n  def distinct_difference_array(nums) do\n\n  end\nend",
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            "hints": [
                "Which data structure will help you maintain distinct elements?",
                "Iterate over all possible prefix sizes. Then, use a nested loop to add the elements of the prefix to a set, and another nested loop to add the elements of the suffix to another set."
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