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leetcode-problemset/leetcode/originData/most-beautiful-item-for-each-query.json
2022-05-02 23:44:12 +08:00

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"title": "Most Beautiful Item for Each Query",
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"content": "<p>You are given a 2D integer array <code>items</code> where <code>items[i] = [price<sub>i</sub>, beauty<sub>i</sub>]</code> denotes the <strong>price</strong> and <strong>beauty</strong> of an item respectively.</p>\n\n<p>You are also given a <strong>0-indexed</strong> integer array <code>queries</code>. For each <code>queries[j]</code>, you want to determine the <strong>maximum beauty</strong> of an item whose <strong>price</strong> is <strong>less than or equal</strong> to <code>queries[j]</code>. If no such item exists, then the answer to this query is <code>0</code>.</p>\n\n<p>Return <em>an array </em><code>answer</code><em> of the same length as </em><code>queries</code><em> where </em><code>answer[j]</code><em> is the answer to the </em><code>j<sup>th</sup></code><em> query</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> items = [[1,2],[3,2],[2,4],[5,6],[3,5]], queries = [1,2,3,4,5,6]\n<strong>Output:</strong> [2,4,5,5,6,6]\n<strong>Explanation:</strong>\n- For queries[0]=1, [1,2] is the only item which has price &lt;= 1. Hence, the answer for this query is 2.\n- For queries[1]=2, the items which can be considered are [1,2] and [2,4]. \n The maximum beauty among them is 4.\n- For queries[2]=3 and queries[3]=4, the items which can be considered are [1,2], [3,2], [2,4], and [3,5].\n The maximum beauty among them is 5.\n- For queries[4]=5 and queries[5]=6, all items can be considered.\n Hence, the answer for them is the maximum beauty of all items, i.e., 6.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> items = [[1,2],[1,2],[1,3],[1,4]], queries = [1]\n<strong>Output:</strong> [4]\n<strong>Explanation:</strong> \nThe price of every item is equal to 1, so we choose the item with the maximum beauty 4. \nNote that multiple items can have the same price and/or beauty. \n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> items = [[10,1000]], queries = [5]\n<strong>Output:</strong> [0]\n<strong>Explanation:</strong>\nNo item has a price less than or equal to 5, so no item can be chosen.\nHence, the answer to the query is 0.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= items.length, queries.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>items[i].length == 2</code></li>\n\t<li><code>1 &lt;= price<sub>i</sub>, beauty<sub>i</sub>, queries[j] &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
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"code": "class Solution(object):\n def maximumBeauty(self, items, queries):\n \"\"\"\n :type items: List[List[int]]\n :type queries: List[int]\n :rtype: List[int]\n \"\"\"\n ",
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"code": "/**\n * @param {number[][]} items\n * @param {number[]} queries\n * @return {number[]}\n */\nvar maximumBeauty = function(items, queries) {\n \n};",
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"code": "defmodule Solution do\n @spec maximum_beauty(items :: [[integer]], queries :: [integer]) :: [integer]\n def maximum_beauty(items, queries) do\n\n end\nend",
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"hints": [
"Can we process the queries in a smart order to avoid repeatedly checking the same items?",
"How can we use the answer to a query for other queries?"
],
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