https://leetcode.cn/problems/check-if-an-original-string-exists-given-two-encoded-strings/ 字符串压缩码由于长度大于9时截断会出错,这道题正确的状态定义是s1的前i个字符,s2取前j个字符,同时有一个字符没匹配上的字符数量是k(可以用k的正负性表示是哪边没匹配上),附加维度不可删除。状态转移的细节也相当...
id is the primary key (column with unique values) for this table. departmentId is a foreign key (reference column) of the ID from theDepartmenttable. Each row of this table indicates the ID, name, and salary of an employee. It also contains the ID of their department. Table:Department ...
LeetCode 301960 Jul 11, 2017 Editorial SolutionpandasApproach 1: Return the First n Rows Using nlargest()AlgorithmFor this problem, we can either identify the top earners first using DataFrame employee and then join the DataFrame department to get the department name, or join the...
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https://leetcode-cn.com/problems/kth-largest-element-in-an-array 用普通的定长(k)数组作为容器,元素从小到大排列, 遍历列表中的元素,始终维持k个有效元素。 最后取第0个元素就是第k大的元素。 function H(/* int */cap) { this.repo = []; ...
Leetcode - 最大子序和 https://leetcode-cn.com/problems/maximum-subarray/submissions/ 题目描述 给定一个整数数组nums,找到一个具有最大和的连续子数组(子数组最少包含一个元素),返回其最大和。 示例: 输入:[-2,1,-3,4,-1,2,1,-5,4],输出:6解释:连续子数组 [4,-1,2,1] 的和最大,为 6...
WeCP (We Create Problems) Otomeyt TestDome Mercer Mettl CoderPad Hired Assessments (aka GetPy) GLIDERai LeetCode Byteboard CodeScreen Revelo: sourcing, code assessments, and hiring in one solution Coding assessment tools have been widely adopted by tech companies to test the technical skills of pr...
https://leetcode.com/problems/decode-string/ 6. Insert into a BSTLoading... 7. LRU.Loading... we want O(1) lookup, so we need a hashmap; we want to move nodes to head/tail, we need double linked list. 8. Find repeated number ...
harshb910 / Dp-Problems Star 1 Code Issues Pull requests Contains Common Question from Dp leetcode cpp dynamic-programming gfg top-down-approach bottom-up-dp Updated Oct 24, 2021 C++ bobmwangih / Contract-First-WebService Star 0 Code Issues Pull requests This project host a simple...
and problem-solving techniques—these are the backbone of most coding comp challenges. Platforms likeLeetCode,Codeforces, andHackerRankoffer curated problem sets and mock contests to simulate real competition environments. Dedicate time to solving past problems from coding comps like Google Code Jam or ...