Question Solution A peak element is an element that is greater than its neighbors. Given an input array wherenum[i] ≠ num[i+1], find a peak element and return its index. The array may contain multiple peaks, in that case return the index to any one of the peaks is fine. You may ...
LeetCode1353https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended/ LeetCode1705https://leetcode.com/problems/maximum-number-of-eaten-apples/ 6.树状数组(单点修改,区间查询) LeetCode307https://leetcode.com/problems/range-sum-query-mutable/ LeetCode315https://leetcode.com/...
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Happy Number (medium) Middle of the LinkedList (easy) 4. Pattern: Merge Intervals,区间合并类型 区间合并模式是一个用来处理有区间重叠的很高效的技术。在设计到区间的很多问题中,通常咱们需要要么判断是否有重叠,要么合并区间,如果他们重叠的话。这个模式是这么起作用的: 给两个区间,一个是a,另外一个是b。
179 Largest Number 15.7% Medium 174 Dungeon Game 17.5% Hard 173 Binary Search Tree Iterator 29.2% Medium 172 Factorial Trailing Zeroes 28.3% Easy 171 Excel Sheet Column Number 36.6% Easy 170 Two Sum III – Data structure design 24.7% Easy 169 Majority Element 34.9% Easy 168 Excel Sheet Colum...
数组 leetcode 1. 两数之和 leetcode 31.下一个排列 leetcode 36.有效的数独 leetcode 48.旋转图像...
《代码随想录》算法视频公开课：还得用回溯算法！| LeetCode：17.电话号码的字母组合，相信结合视频再看本篇题解，更有助于大家对本题的理解 评论
580 Count Student Number in Departments $ 40.00% Medium 579 Find Cumulative Salary of an Employee $ 30.90% Hard 578 Get Highest Answer Rate Question $ 33.10% Medium 577 Employee Bonus $ 53.80% Easy 576 Out of Boundary Paths 33.10% Medium 575 Distribute Candies 59.50% Easy 574 Winning Candidat...
Section 10: Airbnb Math Question: Single Number Lecture 48 Introduction to the problem and brute force approach Lecture 49 Pseudocode walkthrough for brute approach Lecture 50 Approach 2: better Approach Lecture 51 Implementing the code Lecture 52 Approach 3: optimal approach Lecture 53 Implementing ...