分类: LeetCode

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                            51-N皇后
                        
                                LeetCode 51. N-QueensLeetCode-51
The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that
                            
                                2021-12-15
                            
                                    LeetCode
                                
                            回溯
                        
                            198-打家劫舍
                        
                                LeetCode 198. House RobberLeetCode-198
You are a professional robber planning to rob houses along a street. Each house h
                            
                                2021-12-14
                            
                                    LeetCode
                                
                            动态规划
                        
                            139-单词拆分
                        
                                LeetCode 139. Word BreakLeetCode-139
Given a string s and a dictionary of strings wordDict, return true if s can be segm
                            
                                2021-12-13
                            
                                    LeetCode
                                
                            背包
                        
                            377-组合总和IV
                        
                                LeetCode 377. Combination Sum IVLeetCode-377
Given an array of distinct integers nums and a target integer target, retur
                            
                                2021-12-10
                            
                                    LeetCode
                                
                            背包
                        
                            421-数组中两个数的最大异或值
                        
                                LeetCode 421. Maximum XOR of Two Numbers in an ArrayGiven an integer array nums, return the maximum result of nums[i] XO
                            
                                2021-12-03
                            
                                    LeetCode
                                
                            位运算
                        
                            Trie树
                        
                            338-比特位计数
                        
                                LeetCode 338. Counting BitsGiven an integer n, return an array ans of length n + 1 such that for each i (0 <= i <=
                            
                                2021-12-03
                            
                                    LeetCode
                                
                            位运算
                        
                            263-丑数
                        
                                LeetCode 263. Ugly NumberLeetCode-263
An ugly number is a positive integer whose prime factors are limited to 2, 3, and 
                            
                                2021-12-03
                            
                                    LeetCode
                                
                            数学
                        
                            392/524-判断子序列
                        
                                LeetCode 392. Is SubsequenceGiven two strings s and t, return true if s is a subsequence of t, or false otherwise.
Examp
                            
                                2021-12-02
                            
                                    LeetCode
                                
                            双指针
                        
                            201-数字范围按位与
                        
                                LeetCode 201. Bitwise AND of Numbers RangeLeetCode-201
Given two integers left and right that represent the range [left,
                            
                                2021-12-02
                            
                                    LeetCode
                                
                            位运算
                        
                            268-丢失的数字
                        
                                LeetCode 268. Missing NumberLeetCode-268
Given an array nums containing n distinct numbers in the range [0, n], return t
                            
                                2021-12-02
                            
                                    LeetCode
                                
                            位运算
                        
                            190-颠倒二进制位
                        
                                LeetCode 190. Reverse BitsLeetCode-190
Reverse bits of a given 32 bits unsigned integer.
Example 1:Input: n = 0000001010
                            
                                2021-12-01
                            
                                    LeetCode
                                
                            位运算
                        
                            67-二进制求和
                        
                                LeetCode 67. Add BinaryGiven two binary strings a and b, return their sum as a binary string.
Example 1:Input: a = "11",
                            
                                2021-12-01
                            
                                    LeetCode
                                
                            位运算