随笔分类 - LeetCode
摘要：项目说明 LeetCode 系列题解致力于帮助程序员更好地理解和掌握算法思维，内容包含详细的解题思路分析、图文并茂的示例讲解和完整的代码实现。 LeetCode 最全题解：持续更新中，欢迎 Star ⭐️ 关注，一起探讨算法之美。 LeetCode 题解（非会员题目） 题号 题解 代码 标签 难度
阅读全文
摘要：摘要：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.Java：/...
阅读全文
摘要：LeetCode上的题很不错，都短小精悍。先说说我自己。本科一直都是偏硬件，做些单片机、FPGA的东西。本科毕业设计写了个Android APP，控制外围电路（一个小车）。可以通过Android手机的重力感应和按钮来控制小车的运动。目前在读研，前段时间去XX公司实习了一段时间，自己画了块电路板，调F...
阅读全文
摘要：题目要求：Pow(x, n)Implement pow(x,n).代码如下：class Solution {public: //采用二分法 //时间复杂度 O(logn),空间复杂度 O(1) double pow(double x, int n) { ...
阅读全文
摘要：题目要求：AnagramsGiven an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.分析：参考网址：http://www.cnblo...
阅读全文
摘要：题目要求：Rotate ImageYou are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?代码...
阅读全文
摘要：题目要求：Permutations IIGiven a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the f...
阅读全文
摘要：题目要求：Permutations(全排列)Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,...
阅读全文
摘要：题目要求：Jump Game IIGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array repre...
阅读全文
摘要：题目要求：Wildcard MatchingImplement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of chara...
阅读全文
摘要：题目要求：Multiply StringsGiven two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily l...
阅读全文
摘要：题目要求：Trapping Rain WaterGivennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able ...
阅读全文
摘要：题目要求：First Missing PositiveGiven an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]retur...
阅读全文
摘要：题目要求：Combination Sum IIGiven a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate number...
阅读全文
摘要：题目要求：Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT...
阅读全文
摘要：题目要求：Count and SayThe count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"one 1"or11.1...
阅读全文
摘要：题目要求：Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume tha...
阅读全文
摘要：题目要求：Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells...
阅读全文
摘要：题目要求：Search Insert PositionGiven a sorted array and a target value, return the index if the target is found. If not, return the index where it would b...
阅读全文
摘要：题目要求：Search for a RangeGiven a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime comple...
阅读全文
