https://leetcode.cn/problems/minimum-time-to-make-array-sum-at-most-x 这道题代码很好写,但思路非常难想到。重复操作相同下标一定是血亏的,而根据排序不等式,如果选了一些下标j,则对应nums2元素较大的j应该尽量晚操作。因此正解是转化为二维DP,状态定义为前i个数(注意是按nums2从小到大排好的前i个)中...
Master array interviews with our Top 50 Array Interview Questions and Answers guide. Ace technical assessments and excel in coding interviews effortlessly.
class RegularExpressionMatching {func isMatch(_ s: String, _ p: String) -> Bool {let sChars = Array(s), pChars = Array(p)var dp = Array(repeating: Array(repeating:false,count: pChars.count+ 1),count: sChars.count+ 1)dp[0][0] =trueforiin0...pChars.count{// jump over""vs...
A: 使用快速选择解决,什么是快速选择我就不解释了,这里有Top K 问题的最优解 - 快速选择算法(Quickselect) - 知乎 (zhihu.com),我也只是把这个过程用C++自己实现了一下。 下面是一个测试该算法的链接。 力扣leetcode.cn/problems/kth-largest-element-in-an-array/submissions/405078306/ #include <bits/...
11. Missing numberhttps://leetcode.com/problems/missing-number Given an arraynumscontainingndistinct numbers in the range[0, n], returnthe only number in the range that is missing from the array. sum(0:n) - sum(nums[0]:nums[n-1]) ...
3. Use quickSort, 其实跟[LeetCode] 973. K Closest Points to Origin_Medium tag: Sort, heap, quickSort做法一样。 T: average O(n), worst case O(n ^ 2) classSolution:deftopKFrequent(self, nums: List[int], k: int) ->List[int]: ...
Create 07--find-minimum-in-rotated-sorted-array.java May 5, 2023 08--search-in-rotated-sorted-array.java Create 08--search-in-rotated-sorted-array.java May 5, 2023 09--three-sum.java Create 09--three-sum.java May 5, 2023
|1|[kawre/leetcode.nvim](https://github.com/kawre/leetcode.nvim)|A Neovim plugin enabling you to solve LeetCode problems.|548|2|2024-05-05| |2|[Kengxxiao/ArknightsGameData](https://github.com/Kengxxiao/ArknightsGameData)|《明日方舟》游戏数据|1320|1|2024-05-08| |1|[kawre/leet...
Leetcode 347.Top K Frequent Elements Given a non-empty array of integers, return the k most frequent elements. 题目链接:Top K Frequent Elements 一句话理解题意:输出数组中出现次数对多的k个数。 在如果用C语言来写这个题目,思路就是先按数的大小排序,然后再用一个结构体数组保存每个...
also combine this book with the Grokking the Coding Interview: Patterns for Coding Questions, an excellent interactive course from DesignGuru.io to learn essential coding patterns like sliding window, merge interval, fast and slow pointers, etc that can be used to solve 100+ Leetcode problems. ...