分类: LeetCode

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                            371-两整数之和
                        
                                LeetCode 371. Sum of Two IntegersGiven two integers a and b, return the sum of the two integers without using the operat
                            
                                2021-12-01
                            
                                    LeetCode
                                
                            位运算
                        
                            476-数字的补数
                        
                                LeetCode 476. Number ComplementThe complement of an integer is the integer you get when you flip all the 0’s to 1’s and 
                            
                                2021-11-30
                            
                                    LeetCode
                                
                            位运算
                        
                            762-二进制表示中质数个计算置位
                        
                                LeetCode 762. Prime Number of Set Bits in Binary RepresentationGiven two integers left and right, return the count of nu
                            
                                2021-11-30
                            
                                    LeetCode
                                
                            位运算
                        
                            136/137/260-只出现1次的数字
                        
                                LeetCode 136. Single NumberGiven a non-empty array of integers nums, every element appears twice except for one. Find th
                            
                                2021-11-30
                            
                                    LeetCode
                                
                            位运算
                        
                            231-2的幂
                        
                                LeetCode 231. Power of TwoGiven an integer n, return true if it is a power of two. Otherwise, return false.
An integer n
                            
                                2021-11-30
                            
                                    LeetCode
                                
                            位运算
                        
                            279-完全平方数
                        
                                LeetCode 279. Perfect SquaresLeetCode-279
Given an integer n, return the least number of perfect square numbers that sum
                            
                                2021-11-29
                            
                                    LeetCode
                                
                            动态规划
                        
                            494-目标和
                        
                                LeetCode 494. Target SumLeetCode-494
You are given an integer array nums and an integer target.
You want to build an exp
                            
                                2021-11-29
                            
                                    LeetCode
                                
                            背包
                        
                            509-斐波那契数
                        
                                LeetCode 509. Fibonacci NumberLeetCode-509
The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibo
                            
                                2021-11-29
                            
                                    LeetCode
                                
                            动态规划
                        
                            120-三角形最小路径和
                        
                                LeetCode 120. TriangleLeetCode-120
Given a triangle array, return the minimum path sum from top to bottom.
For each step
                            
                                2021-11-06
                            
                                    LeetCode
                                
                            动态规划
                        
                            118-杨辉三角
                        
                                LeetCode 118. Pascal’s TriangleLeetCode-118
Given an integer numRows, return the first numRows of Pascal’s triangle.
In 
                            
                                2021-11-06
                            
                                    LeetCode
                                
                            动态规划
                        
                            114-二叉树展开为链表
                        
                                LeetCode 114. Flatten Binary Tree to Linked ListLeetCode-114
Given the root of a binary tree, flatten the tree into a &q
                            
                                2021-11-05
                            
                                    LeetCode
                                
                            二叉树
                        
                            96-不同的二叉搜索树
                        
                                LeetCode 96. Unique Binary Search TreesLeetCode-96
Given an integer n, return the number of structurally unique BST’s (b
                            
                                2021-11-04
                            
                                    LeetCode
                                
                            动态规划