• LeetCode题解之Climbing Stairs

    时间:2024-01-11 08:56:05

    1、题目描述2、问题分析使用动态规划。3、代码 int climbStairs(int n) { if( n <= ){ return n; } int dp[n+]; dp[] = ; d...

  • leetcode & lintcode 题解

    时间:2024-01-04 16:52:20

    刷题备忘录,for bug-free招行面试题--求无序数组最长连续序列的长度,这里连续指的是值连续--间隔为1,并不是数值的位置连续问题:给出一个未排序的整数数组,找出最长的连续元素序列的长度。如:给出[100, 4, 200, 1, 3, 2],最长的连续元素序列是[1, 2, 3, 4]。返回...

  • leetcode题解 5. Longest Palindromic Substring

    时间:2024-01-02 13:04:56

    题目:Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000.Example:Input: "babad"Output: "b...

  • leetcode个人题解——#18 4sums

    时间:2024-01-01 15:41:10

    在3sums的基础上加了一层循环。class Solution {public: vector<vector<int>> fourSum(vector<int>& nums, int target) { sort(nums.begin(...

  • [LeetCode]题解(python):124-Binary Tree Maximum Path Sum

    时间:2023-12-30 21:37:13

    题目来源:https://leetcode.com/problems/binary-tree-maximum-path-sum/题意分析:给定一棵树,找出一个数值最大的路径,起点可以是任意节点或者叶子。题目思路:我们可以先找路径的最大mr,ml,那么最大值是max(solve(root),solve...

  • [LeetCode]题解(python):050-Pow(x, n)

    时间:2023-12-29 20:21:01

    题目来源https://leetcode.com/problems/powx-n/Implement pow(x, n).题意分析Input: x,nOutput:pow(x,n)Conditions:满足一定的内存需求,算法复杂度低一些题目思路刚开始以为直接乘就好了,但是爆内存了,仔细看发现其实可...

  • LeetCode题解(13)--Roman to Integer

    时间:2023-12-25 21:26:23

    https://leetcode.com/problems/roman-to-integer/原题:Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to...

  • 《LeetBook》leetcode题解(13):Roman to Integer[E]

    时间:2023-12-25 21:05:26

    我现在在做一个叫《leetbook》的免费开源书项目,力求提供最易懂的中文思路,目前把解题思路都同步更新到gitbook上了,需要的同学可以去看看 书的地址:https://hk029.gitbooks.io/leetbook/013. Roman to Integer问题Given a rom...

  • C#版 - Leetcode 593. 有效的正方形 - 题解

    时间:2023-12-25 17:30:12

    版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm。C#版 - Leetcode 593. 有效的正方形 - 题解Leetcode 593. Valid Square在...

  • C#版 - Leetcode 633. 平方数之和 - 题解

    时间:2023-12-25 17:19:12

    版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm。C#版 - Leetcode 633. 平方数之和 - 题解Leetcode 633 - Sum of square...

  • C#版 - Leetcode 414. Third Maximum Number题解

    时间:2023-12-25 17:08:11

    版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm。C#版 - Leetcode 414. Third Maximum Number题解在线提交: https://le...

  • [LeetCode]题解(python):055-Jump Game

    时间:2023-12-14 19:57:17

    题目来源https://leetcode.com/problems/jump-game/Given an array of non-negative integers, you are initially positioned at the first index of the array.Each...

  • [LeetCode]题解(python):064-Minimum Path Sum

    时间:2023-12-14 13:13:34

    题目来源https://leetcode.com/problems/minimum-path-sum/Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right whic...

  • leetCode题解之求二叉树每层的平均值

    时间:2023-12-12 18:26:39

    1、题目描述Given a non-empty binary tree, return the average value of the nodes on each level in the form of an array.计算二叉树每一层的节点的数据域的平均值。2、题目分析使用广度优先遍历方法,...

  • leetCode题解之Contains Duplicate

    时间:2023-12-12 14:57:12

    1、题目描述2、题目分析直接使用hashTable 计数,超过1 则返回true,最后返回 false即可。3、代码 bool containsDuplicate(vector<int>& nums) { if( nums.size() == ) ...

  • LeetCode题解-----Majority Element II 摩尔投票法

    时间:2023-12-10 10:39:20

    题目描述:Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. The algorithm should run in linear time and in O(1) spac...

  • LeetCode题解之Contains Duplicate II

    时间:2023-12-05 19:30:26

    1、题目描述2、题目分析使用哈希表 和分情况讨论的方法3、代码bool containsNearbyDuplicate(vector<int>& nums, int k) { if( nums.size() == ){ return fals...

  • [LeetCode]题解(python):101 Symmetric tree

    时间:2023-12-04 09:00:38

    题目来源https://leetcode.com/problems/symmetric-tree/Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).题意分析Inp...

  • LeetCode题解33.Search in Rotated Sorted Array

    时间:2023-11-30 09:18:40

    33. Search in Rotated Sorted ArraySuppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 m...

  • [LeetCode]题解(python):026-Remove Duplicates from Sorted Array

    时间:2023-11-25 14:25:19

    题目来源:https://leetcode.com/problems/remove-duplicates-from-sorted-array/题意分析:给定一个排好序的数组,去除重复的数,返回新数组的长度,不能申请额外的空间,超过新数组长度部分是什么数都无所谓。题目思路:这是一个很简单的题目,由于给...