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...
LeetCode Top Interview Questions 217. Contains Duplicate (Java版; Easy) 题目描述 Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct....
LeetCode Top Interview Questions 334. Increasing Triplet Subsequence (Java版; Medium) 题目描述 Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Return true if there exists i, j, k such that arr[i] < arr[...
1 <= nums.length <= 105 -104<= nums[i] <= 104 kis in the range[1, the number of unique elements in the array]. It isguaranteedthat the answer isunique. Follow up:Your algorithm's time complexity must be better thanO(n log n), where n is the array's size....
Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here,...#79 Word Search——Top 100 Liked Questions Given a 2D board and a word, find if the word exis...
关联问题 换一批 LeetCode 347题目的时间复杂度是多少? 如何使用哈希表解决LeetCode 347问题? LeetCode 347题目可以使用哪些排序算法来解决? 题目: 给定一个非空的整数数组,返回其中出现频率前 K 高的元素。 Given a non-empty array of integers, return the K most frequent elements. ...
LeetCode Top Interview Questions LeetCode Top Interview Questions https://leetcode.com/problemset/top-interview-questions/
这个列表中有78道题目,是leetcode上top interview questions中的。原本是有145道题目,但是部分题目和top 100 liked questions是重复的(见另一篇文章), 因此这里就只保留了和top 100列表中不同的题目。 7 Reverse Integer 25.20% Easy 8 String to Integer (atoi) 14.50% Medium ...
Given an array of stringswordsand an integerk, returnthekmost frequent strings. Return the answersortedbythe frequencyfrom highest to lowest. Sort the words with the same frequency by theirlexicographical order. Example 1: Input:words = ["i","love","leetcode","i","love","coding"], k ...
LeetCode (LC), being the largest repository of coding problems, contains more than 2k+ questions. Each question on LC can be tagged with one or more topics. These topics are either data structures like Array, HashTable, Tree, etc., or algorithmic techniques like Greedy, Divide and Conquer,...