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...
Can you solve this real interview question? Department Top Three Salaries - Table: Employee +---+---+ | Column Name | Type | +---+---+ | id | int | | name | varchar | | salary | int
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....
示例: 1.2 知识点 哈希表 数学 1.3 题目链接 https://leetcode-cn.com/problems/count-primes/ 二、解题思路 2.1 解题思路 &...LeetCode 精选 TOP 面试题(Java 实现)—— 多数元素 文章目录 一、题目描述 1.1 题目 1.2 知识点 1.3 题目链接 二、解题思路 2.1 解题思路 三、实现代码 3.1 代码实现 一、...
原题链接:https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree/ 将一个按照升序排列的有序数组,转换为一棵高度平衡二叉搜索树。 本题中,一个高度平衡二叉树是指一个二叉树每个节点的左右两个子树的高度差的绝对值不超过 1。 示例: 给定有序数组: [-10,-3,0,5,9], 一个可能...
Leetcode - 不同路径(DP) https://leetcode-cn.com/problems/unique-paths/ 题目描述 一个机器人位于一个m x n网格的左上角 (起始点在下图中标记为“Start” )。 机器人每次只能向下或者向右移动一步。机器人试图达到网格的右下角(在下图中标记为“Finish”)。
【Leetcode】Top K Frequent Elements https://leetcode.com/problems/top-k-frequent-elements/ Given a non-empty array of integers, return the k most frequent elements. For example, Given [1,1,1,2,2,3] and k = 2, return [1,2]....
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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...