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 100 Liked Questions 34. Find First and Last Position of Element in Sorted Array(Java版; Medium) 题目描述 Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the...
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 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 ...
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. ...
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....
LeetCode Top Interview Questions 88. Merge Sorted Array (Java版; Easy) welcome to my blog LeetCode Top Interview Questions 88. Merge Sorted Array (Java版; Easy) 题目描述 第一次做; 最优解; 空间复杂度O(1); 有序数组, 往往可以考虑使用双指针; 其实归并过程就是双指针, 但是需要额外空间, ...
200 LeetCode Top Interview Questions: Optimal Solutions with Detailed Explanations for Easy/Medium/Hard Levels to Ace Coding Interviews downdemo.github.io/LeetCode-Solutions-in-Cpp17/ Topics data-structures-and-algorithms Resources Readme License MIT license Activity Stars 63 stars Watchers ...
LeetCode 指南语言: Java 说明: 每道题在代码头部都添加了我的解题思路和批注,Eg: /*** * 287. Find the Duplicate Number * 题意:n+1个数属于[1~n],找出重复的那个数 * 难度:Medium * 分类:Array, Two Pointers, Binary Search * 思路:如果nums[i]不在对应位置,则和对应位置交换。如果对应位置上...