mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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186 lines
18 KiB
JSON
186 lines
18 KiB
JSON
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"questionId": "2118",
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"questionFrontendId": "2008",
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"title": "Maximum Earnings From Taxi",
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"titleSlug": "maximum-earnings-from-taxi",
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"content": "<p>There are <code>n</code> points on a road you are driving your taxi on. The <code>n</code> points on the road are labeled from <code>1</code> to <code>n</code> in the direction you are going, and you want to drive from point <code>1</code> to point <code>n</code> to make money by picking up passengers. You cannot change the direction of the taxi.</p>\n\n<p>The passengers are represented by a <strong>0-indexed</strong> 2D integer array <code>rides</code>, where <code>rides[i] = [start<sub>i</sub>, end<sub>i</sub>, tip<sub>i</sub>]</code> denotes the <code>i<sup>th</sup></code> passenger requesting a ride from point <code>start<sub>i</sub></code> to point <code>end<sub>i</sub></code> who is willing to give a <code>tip<sub>i</sub></code> dollar tip.</p>\n\n<p>For<strong> each </strong>passenger <code>i</code> you pick up, you <strong>earn</strong> <code>end<sub>i</sub> - start<sub>i</sub> + tip<sub>i</sub></code> dollars. You may only drive <b>at most one </b>passenger at a time.</p>\n\n<p>Given <code>n</code> and <code>rides</code>, return <em>the <strong>maximum</strong> number of dollars you can earn by picking up the passengers optimally.</em></p>\n\n<p><strong>Note:</strong> You may drop off a passenger and pick up a different passenger at the same point.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 5, rides = [<u>[2,5,4]</u>,[1,5,1]]\n<strong>Output:</strong> 7\n<strong>Explanation:</strong> We can pick up passenger 0 to earn 5 - 2 + 4 = 7 dollars.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> n = 20, rides = [[1,6,1],<u>[3,10,2]</u>,<u>[10,12,3]</u>,[11,12,2],[12,15,2],<u>[13,18,1]</u>]\n<strong>Output:</strong> 20\n<strong>Explanation:</strong> We will pick up the following passengers:\n- Drive passenger 1 from point 3 to point 10 for a profit of 10 - 3 + 2 = 9 dollars.\n- Drive passenger 2 from point 10 to point 12 for a profit of 12 - 10 + 3 = 5 dollars.\n- Drive passenger 5 from point 13 to point 18 for a profit of 18 - 13 + 1 = 6 dollars.\nWe earn 9 + 5 + 6 = 20 dollars in total.</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= rides.length <= 3 * 10<sup>4</sup></code></li>\n\t<li><code>rides[i].length == 3</code></li>\n\t<li><code>1 <= start<sub>i</sub> < end<sub>i</sub> <= n</code></li>\n\t<li><code>1 <= tip<sub>i</sub> <= 10<sup>5</sup></code></li>\n</ul>\n",
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"code": "class Solution {\npublic:\n long long maxTaxiEarnings(int n, vector<vector<int>>& rides) {\n \n }\n};",
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"code": "class Solution {\n\n /**\n * @param Integer $n\n * @param Integer[][] $rides\n * @return Integer\n */\n function maxTaxiEarnings($n, $rides) {\n \n }\n}",
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"code": "# @param {Integer} n\n# @param {Integer[][]} rides\n# @return {Integer}\ndef max_taxi_earnings(n, rides)\n \nend",
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"code": "impl Solution {\n pub fn max_taxi_earnings(n: i32, rides: Vec<Vec<i32>>) -> i64 {\n \n }\n}",
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"code": "-spec max_taxi_earnings(N :: integer(), Rides :: [[integer()]]) -> integer().\nmax_taxi_earnings(N, Rides) ->\n .",
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"Can we sort the array to help us solve the problem?",
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