mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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162 lines
16 KiB
JSON
162 lines
16 KiB
JSON
{
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"question": {
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"questionId": "2557",
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"questionFrontendId": "2470",
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"boundTopicId": null,
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"title": "Number of Subarrays With LCM Equal to K",
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"titleSlug": "number-of-subarrays-with-lcm-equal-to-k",
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"content": "<p>Given an integer array <code>nums</code> and an integer <code>k</code>, return <em>the number of <strong>subarrays</strong> of </em><code>nums</code><em> where the least common multiple of the subarray's elements is </em><code>k</code>.</p>\n\n<p>A <strong>subarray</strong> is a contiguous non-empty sequence of elements within an array.</p>\n\n<p>The <strong>least common multiple of an array</strong> is the smallest positive integer that is divisible by all the array elements.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [3,6,2,7,1], k = 6\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> The subarrays of nums where 6 is the least common multiple of all the subarray's elements are:\n- [<u><strong>3</strong></u>,<u><strong>6</strong></u>,2,7,1]\n- [<u><strong>3</strong></u>,<u><strong>6</strong></u>,<u><strong>2</strong></u>,7,1]\n- [3,<u><strong>6</strong></u>,2,7,1]\n- [3,<u><strong>6</strong></u>,<u><strong>2</strong></u>,7,1]\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [3], k = 2\n<strong>Output:</strong> 0\n<strong>Explanation:</strong> There are no subarrays of nums where 2 is the least common multiple of all the subarray's elements.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 1000</code></li>\n\t<li><code>1 <= nums[i], k <= 1000</code></li>\n</ul>\n",
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"difficulty": "Medium",
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"similarQuestions": "[{\"title\": \"Number of Subarrays With GCD Equal to K\", \"titleSlug\": \"number-of-subarrays-with-gcd-equal-to-k\", \"difficulty\": \"Medium\", \"translatedTitle\": null}]",
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"exampleTestcases": "[3,6,2,7,1]\n6\n[3]\n2",
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"categoryTitle": "Algorithms",
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"code": "class Solution {\npublic:\n int subarrayLCM(vector<int>& nums, int k) {\n \n }\n};",
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"code": "class Solution {\n public int subarrayLCM(int[] nums, int k) {\n \n }\n}",
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"code": "class Solution(object):\n def subarrayLCM(self, nums, k):\n \"\"\"\n :type nums: List[int]\n :type k: int\n :rtype: int\n \"\"\"\n ",
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"code": "class Solution:\n def subarrayLCM(self, nums: List[int], k: int) -> int:\n ",
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"code": "int subarrayLCM(int* nums, int numsSize, int k){\n\n}",
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"code": "public class Solution {\n public int SubarrayLCM(int[] nums, int k) {\n \n }\n}",
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"code": "/**\n * @param {number[]} nums\n * @param {number} k\n * @return {number}\n */\nvar subarrayLCM = function(nums, k) {\n \n};",
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"code": "# @param {Integer[]} nums\n# @param {Integer} k\n# @return {Integer}\ndef subarray_lcm(nums, k)\n \nend",
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"code": "class Solution {\n func subarrayLCM(_ nums: [Int], _ k: Int) -> Int {\n \n }\n}",
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"code": "func subarrayLCM(nums []int, k int) int {\n \n}",
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"code": "class Solution {\n fun subarrayLCM(nums: IntArray, k: Int): Int {\n \n }\n}",
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"code": "impl Solution {\n pub fn subarray_lcm(nums: Vec<i32>, k: i32) -> i32 {\n \n }\n}",
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"code": "class Solution {\n\n /**\n * @param Integer[] $nums\n * @param Integer $k\n * @return Integer\n */\n function subarrayLCM($nums, $k) {\n \n }\n}",
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"code": "function subarrayLCM(nums: number[], k: number): number {\n\n};",
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"code": "(define/contract (subarray-lcm nums k)\n (-> (listof exact-integer?) exact-integer? exact-integer?)\n\n )",
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"lang": "Erlang",
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"langSlug": "erlang",
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"code": "-spec subarray_lcm(Nums :: [integer()], K :: integer()) -> integer().\nsubarray_lcm(Nums, K) ->\n .",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec subarray_lcm(nums :: [integer], k :: integer) :: integer\n def subarray_lcm(nums, k) do\n\n end\nend",
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"lang": "Dart",
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"langSlug": "dart",
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"code": "class Solution {\n int subarrayLCM(List<int> nums, int k) {\n\n }\n}",
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}
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"stats": "{\"totalAccepted\": \"12.5K\", \"totalSubmission\": \"32.9K\", \"totalAcceptedRaw\": 12502, \"totalSubmissionRaw\": 32881, \"acRate\": \"38.0%\"}",
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"hints": [
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"The constraints on nums.length are small. It is possible to check every subarray.",
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"To calculate LCM, you can use a built-in function or the formula lcm(a, b) = a * b / gcd(a, b).",
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"As you calculate the LCM of more numbers, it can only become greater. Once it becomes greater than k, you know that any larger subarrays containing all the current elements will not work."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "[3,6,2,7,1]\n6",
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