mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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161 lines
17 KiB
JSON
161 lines
17 KiB
JSON
{
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"question": {
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"questionId": "2604",
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"questionFrontendId": "2541",
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"title": "Minimum Operations to Make Array Equal II",
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"titleSlug": "minimum-operations-to-make-array-equal-ii",
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"content": "<p>You are given two integer arrays <code>nums1</code> and <code>nums2</code> of equal length <code>n</code> and an integer <code>k</code>. You can perform the following operation on <code>nums1</code>:</p>\n\n<ul>\n\t<li>Choose two indexes <code>i</code> and <code>j</code> and increment <code>nums1[i]</code> by <code>k</code> and decrement <code>nums1[j]</code> by <code>k</code>. In other words, <code>nums1[i] = nums1[i] + k</code> and <code>nums1[j] = nums1[j] - k</code>.</li>\n</ul>\n\n<p><code>nums1</code> is said to be <strong>equal</strong> to <code>nums2</code> if for all indices <code>i</code> such that <code>0 <= i < n</code>, <code>nums1[i] == nums2[i]</code>.</p>\n\n<p>Return <em>the <strong>minimum</strong> number of operations required to make </em><code>nums1</code><em> equal to </em><code>nums2</code>. If it is impossible to make them equal, return <code>-1</code>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums1 = [4,3,1,4], nums2 = [1,3,7,1], k = 3\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> In 2 operations, we can transform nums1 to nums2.\n1<sup>st</sup> operation: i = 2, j = 0. After applying the operation, nums1 = [1,3,4,4].\n2<sup>nd</sup> operation: i = 2, j = 3. After applying the operation, nums1 = [1,3,7,1].\nOne can prove that it is impossible to make arrays equal in fewer operations.</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums1 = [3,8,5,2], nums2 = [2,4,1,6], k = 1\n<strong>Output:</strong> -1\n<strong>Explanation:</strong> It can be proved that it is impossible to make the two arrays equal.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == nums1.length == nums2.length</code></li>\n\t<li><code>2 <= n <= 10<sup>5</sup></code></li>\n\t<li><code>0 <= nums1[i], nums2[j] <= 10<sup>9</sup></code></li>\n\t<li><code>0 <= k <= 10<sup>5</sup></code></li>\n</ul>\n",
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"difficulty": "Medium",
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"exampleTestcases": "[4,3,1,4]\n[1,3,7,1]\n3\n[3,8,5,2]\n[2,4,1,6]\n1",
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"categoryTitle": "Algorithms",
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"code": "class Solution {\npublic:\n long long minOperations(vector<int>& nums1, vector<int>& nums2, int k) {\n \n }\n};",
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"code": "class Solution {\n public long minOperations(int[] nums1, int[] nums2, int k) {\n \n }\n}",
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"code": "class Solution(object):\n def minOperations(self, nums1, nums2, k):\n \"\"\"\n :type nums1: List[int]\n :type nums2: List[int]\n :type k: int\n :rtype: int\n \"\"\"\n ",
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"code": "class Solution:\n def minOperations(self, nums1: List[int], nums2: List[int], k: int) -> int:\n ",
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"code": "long long minOperations(int* nums1, int nums1Size, int* nums2, int nums2Size, int k){\n\n}",
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"code": "/**\n * @param {number[]} nums1\n * @param {number[]} nums2\n * @param {number} k\n * @return {number}\n */\nvar minOperations = function(nums1, nums2, k) {\n \n};",
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"code": "# @param {Integer[]} nums1\n# @param {Integer[]} nums2\n# @param {Integer} k\n# @return {Integer}\ndef min_operations(nums1, nums2, k)\n \nend",
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"code": "class Solution {\n func minOperations(_ nums1: [Int], _ nums2: [Int], _ k: Int) -> Int {\n \n }\n}",
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"code": "func minOperations(nums1 []int, nums2 []int, k int) int64 {\n \n}",
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"code": "object Solution {\n def minOperations(nums1: Array[Int], nums2: Array[Int], k: Int): Long = {\n \n }\n}",
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"lang": "Kotlin",
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"code": "class Solution {\n fun minOperations(nums1: IntArray, nums2: IntArray, k: Int): Long {\n \n }\n}",
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"lang": "Rust",
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"langSlug": "rust",
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"code": "impl Solution {\n pub fn min_operations(nums1: Vec<i32>, nums2: Vec<i32>, k: i32) -> i64 {\n \n }\n}",
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"__typename": "CodeSnippetNode"
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"lang": "PHP",
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"langSlug": "php",
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"code": "class Solution {\n\n /**\n * @param Integer[] $nums1\n * @param Integer[] $nums2\n * @param Integer $k\n * @return Integer\n */\n function minOperations($nums1, $nums2, $k) {\n \n }\n}",
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"code": "function minOperations(nums1: number[], nums2: number[], k: number): number {\n\n};",
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"code": "(define/contract (min-operations nums1 nums2 k)\n (-> (listof exact-integer?) (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 min_operations(Nums1 :: [integer()], Nums2 :: [integer()], K :: integer()) -> integer().\nmin_operations(Nums1, Nums2, K) ->\n .",
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"lang": "Elixir",
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"langSlug": "elixir",
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"code": "defmodule Solution do\n @spec min_operations(nums1 :: [integer], nums2 :: [integer], k :: integer) :: integer\n def min_operations(nums1, nums2, k) do\n\n end\nend",
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"code": "class Solution {\n int minOperations(List<int> nums1, List<int> nums2, int k) {\n\n }\n}",
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"hints": [
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"What are the cases for which we cannot make nums1 == nums2?",
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"For minimum moves, if nums1[i] < nums2[i], then we should never decrement nums1[i]. \r\nIf nums1[i] > nums2[i], then we should never increment nums1[i]."
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],
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"sampleTestCase": "[4,3,1,4]\n[1,3,7,1]\n3",
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Java 8 features such as lambda expressions and stream API can be used. </p>\\r\\n\\r\\n<p>Most standard library headers are already included automatically for your convenience.</p>\\r\\n<p>Includes <code>Pair</code> class from https://docs.oracle.com/javase/8/javafx/api/javafx/util/Pair.html.</p>\"], \"python\": [\"Python\", \"<p><code>Python 2.7.12</code>.</p>\\r\\n\\r\\n<p>Most libraries are already imported automatically for your convenience, such as <a href=\\\"https://docs.python.org/2/library/array.html\\\" target=\\\"_blank\\\">array</a>, <a href=\\\"https://docs.python.org/2/library/bisect.html\\\" target=\\\"_blank\\\">bisect</a>, <a href=\\\"https://docs.python.org/2/library/collections.html\\\" target=\\\"_blank\\\">collections</a>. 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