mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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180 lines
18 KiB
JSON
180 lines
18 KiB
JSON
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"questionId": "3427",
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"title": "Special Array II",
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"content": "<p>An array is considered <strong>special</strong> if every pair of its adjacent elements contains two numbers with different parity.</p>\n\n<p>You are given an array of integer <code>nums</code> and a 2D integer matrix <code>queries</code>, where for <code>queries[i] = [from<sub>i</sub>, to<sub>i</sub>]</code> your task is to check that <span data-keyword=\"subarray\">subarray</span> <code>nums[from<sub>i</sub>..to<sub>i</sub>]</code> is <strong>special</strong> or not.</p>\n\n<p>Return an array of booleans <code>answer</code> such that <code>answer[i]</code> is <code>true</code> if <code>nums[from<sub>i</sub>..to<sub>i</sub>]</code> is special.<!-- notionvc: e5d6f4e2-d20a-4fbd-9c7f-22fbe52ef730 --></p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">nums = [3,4,1,2,6], queries = [[0,4]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">[false]</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The subarray is <code>[3,4,1,2,6]</code>. 2 and 6 are both even.</p>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">nums = [4,3,1,6], queries = [[0,2],[2,3]]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">[false,true]</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ol>\n\t<li>The subarray is <code>[4,3,1]</code>. 3 and 1 are both odd. So the answer to this query is <code>false</code>.</li>\n\t<li>The subarray is <code>[1,6]</code>. There is only one pair: <code>(1,6)</code> and it contains numbers with different parity. So the answer to this query is <code>true</code>.</li>\n</ol>\n</div>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= nums[i] <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= queries.length <= 10<sup>5</sup></code></li>\n\t<li><code>queries[i].length == 2</code></li>\n\t<li><code>0 <= queries[i][0] <= queries[i][1] <= nums.length - 1</code></li>\n</ul>\n",
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"difficulty": "Medium",
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"exampleTestcases": "[3,4,1,2,6]\n[[0,4]]\n[4,3,1,6]\n[[0,2],[2,3]]",
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"categoryTitle": "Algorithms",
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"code": "# @param {Integer[]} nums\n# @param {Integer[][]} queries\n# @return {Boolean[]}\ndef is_array_special(nums, queries)\n \nend",
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"code": "impl Solution {\n pub fn is_array_special(nums: Vec<i32>, queries: Vec<Vec<i32>>) -> Vec<bool> {\n \n }\n}",
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"Try to split the array into some non-intersected continues special subarrays.",
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"For each query check that the first and the last elements of that query are in the same subarray or not."
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