https://leetcode.com/problems/subsets/discuss/27288/My-solution-using-bit-manipulation 题解的解释参考:https://www.mathsisfun.com/sets/power-set.html(有点像状态压缩的感觉) bit manipulation 【136】Single Number(2018年11月4日)(剑指offer上有个变种题,有两个数只出现了一次,求出出现一次的这两个数...
2.更快的做法 publicinttotalHammingDistance(int[] nums) {inttotal = 0, n =nums.length;for(intj=0;j<32;j++) {intbitCount = 0;for(inti=0;i<n;i++) bitCount+= (nums[i] >> j) & 1; total+= bitCount*(n -bitCount); }returntotal; } 这是因为: 假设4,14,2,则0 1 0 0 1 1...
LeetCode-Bit Manipulation-371-E:两整数之和(Sum of Two Integers),代码先锋网,一个为软件开发程序员提供代码片段和技术文章聚合的网站。
c c-plus-plus tree algorithm datastructures leetcode cpp bit-manipulation data-structures string-manipulation interview-practice leetcode-solutions interview-questions Updated Jan 8, 2021 C++ teivah / algodeck Star 4.1k Code Issues Pull requests An Open-Source Collection of 200+ Algorithmic Flash...
Bit Manipulation —— 位运算 1、介绍Bit Manipulation(位运算):一共五种运算:与,或,异或,左移,右移。2、算法题目一般使用总结:(1)n & (n-1)能够消灭n中最右侧的一个1。(2) 右移:除以2, 左移:乘以2。(3)异或性质:a1^a2^a3 = a2^a3^a1 交换律,0^a=a, a^a=0。 Manipulation Bit 位运...
hashing tree linked-list stack queue graph maps strings backtracking bit-manipulation arrays maths dynamic-programming greedy-algorithms binary-search heaps interviewbit two-pointers Updated Feb 11, 2025 C++ kaidul / LeetCode_problems_solution Star 91 Code Issues Pull requests Solutions to all pr...
Bit Manipulation —— 位运算 1、介绍Bit Manipulation(位运算):一共五种运算:与,或,异或,左移,右移。2、算法题目一般使用总结:(1)n & (n-1)能够消灭n中最右侧的一个1。(2) 右移:除以2, 左移:乘以2。(3)异或性质:a1^a2^a3 = a2^a3^a1 交换律,0^a=a, a^a=0。 Manipulation Bit 位...
A minimalist Flutter package to perform fast bitmaps operations.The focus here is to provide a cool bitmap manipulation interface. The package standard format is RGBA32. 协议:MIT License 语言:Dart Star:137 Fork:18 README展开 Flutter Bitmap A minimalist Flutter package to perform fast bitmaps ...
用到了mask(掩码),目的是在bit manipulation时可以逐个bit判断每一位是否为1。当我们传进来一个十进制数字,如28时,它在计算机里是用二进制表达为... 0001 1100的,当使用mask: ... 0000 1111(15)时,因为是全1,并且1111之前的数字为全0,所以不管这个数字后四位以前的bit是什么内容,最终对会被记作0,这也就...
(Notes: "馃摉" means you need to subscribe to [LeetCode premium membership](https://leetcode.com/subscribe/) for the access to premium questions.) ## Algorithms * [Bit Manipulation](https://github.com/kamyu104/LeetCode#bit-manipulation) * [Array](https://github.com/kamyu104/LeetCode#...