how many bits in qubit

Write a function that takes an unsigned integer and returns the number of ' 1 ' bits it has (also known as thehamming weight ).For example, the 32-bit integer ' One ' 00000000000000000000000000001011 has a binary representation, so the function should return 3.Problem Resolution: Output the number of 1 in a number binarySolution Analysis: There's a little trick. n (n-1) can eliminate a 1 each time, relatively simple, directly on the AC codepublic int

Problem:Write a function that takes an unsigned integer and returns the number of ' 1 ' bits it has (also known as the Hamming weigh T).For example, the 32-bit integer ' One ' 00000000000000000000000000001011 has a binary representation, so the function should return 3.Summary:The 32-bit unsigned number contains 1 digits.Analysis:1. The simplest idea is to shift N to N to 0, and to determine whether the lowest bit is 1 for each shift. However, if ther

Problems:Write a function that takes an unsigned integer and returns the number of ' 1 ' bits it has (also known as the Hamming weigh T).For example, the 32-bit integer ' One ' 00000000000000000000000000001011 has a binary representation, so the function should return 3.Solution:1 classSolution {2 Public:3 intHammingweight (unsignedintN) {4 5 intI=0;6 while(n>0)7 {9 inttemp = n0x1;Ten if(temp==1) One { Ai

Number of 1 Bits2015.4.17 05:48Write a function that takes an unsigned integer and returns the number of ' 1 ' bits it has (also known as the Hamming weigh T).For example, the 32-bit integer ' One ' 00000000000000000000000000001011 has a binary representation, so the function should return 3.Solution:Old problem.Accepted Code:1 //1AC, Water2 classSolution {3 Public:4 intHammingweight (uint32_t N) {5 intAns =0;6 7 while(n)

Describe:Write a function that takes an unsigned integer and returns the number of ' 1 ' bits it has (also known as the Hamming weigh T).For example, the 32-bit integer ' One ' 00000000000000000000000000001011 has a binary representation, so the function should return 3.Credits:Special thanks to @ts for adding this problem and creating all test cases.Ideas:How to represent an unsigned integer in Java, it hurts, then write it in C. binary and arithmeti

Title Address: https://leetcode.com/problems/reverse-bits/Title Analysis: can be 4bit units, 0 flip corresponding 0,1 flip corresponding 8 .... 15 Flip the corresponding 15, save the flip information in the array that can be O (1) space complexity for a good time complexityTopic Answer: Public classSolution {//You need treat n as an unsigned value Public intReversebits (intN) {int[] TB = {0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15}; intRET = 0; intMSK

Label: style blog HTTP Io color ar OS for SP Here is a range of non-negative integers. Calculate the maximum number of 1 and the minimum number in the binary. Problem-solving ideas: messing around, finding the first unmatched digits of two numbers, and assigning all the following bits to 1 (if the right endpoint itself is 1, it starts from this ), Solution code: 1 // Author: darkdream 2 // created time: thursday, November 06, 2014, 10 seconds, 3 4 # i

function Num_format ($num) { if (!is_numeric ($num)) { return false; } $rvalue = "; $num = Explode ('. ', $num);//separate integers and decimals $RL =!isset ($num [' 1 '])? ": $num [' 1 '];//value of the decimal part $j = strlen ($num [0])% 3;//integer number of bits $SL = substr ($num [0], 0, $j);//The number of the front less than three bits is taken out $SR =

In x86-64 Linux, when using 64 bits newlib should pay attention to a point, to add "-Disable-multilib" When configure, otherwise there will be the following error, because newlib will upload 32 bits of newlib together with others, will add-M32 when all files are uploaded X86_64-peter-elf-cc-B/root/workspace2/newlib-1.19.0 build/x86_64-peter-elf/32/Newlib/-isystem/root/workspace2/newlib-1.19.Build/x86_64-pet

Atexit function and two special file permission bits. atexit function permission Atexit Function The prototype of the atexit function is void atexit (void (* func) (void ))It is a parameterThe return value and parameters are empty.Function pointer FunctionIt indicates the function pointed to by the parameter function pointer executed before the current process ends. When using the function, you must register it in main. Many functions can be regist

HTML >html>Implementation of the idea (at the end of the code process and the results of the operation) to obtain a 10-bit random number as an example:1, Math.random () function can get 0 to 1 decimal, Math.pow (10,10) function is equivalent to 10 10, the Math.floor () function is rounded down to remove the decimal place;2, the combination can obtain a 10-bit random number: Math.floor (Math.random () *math.pow (10,10));3, however, if the first decimal digit of Math.randow () is 0, it is possible

PHP number format, number every three bits plus a comma, you can keep decimals In order to give the visitors more clear and clear figures in the quotation, so need to use the number format, there are two methods, one of their own write function, the other of course is the system comes with, in fact, I prefer the system comes with. ? First come the system simple: String Number_format (float number [, int decimals [, String Dec_point, String thousands

Some things, although not important, but bits and pieces will be used, just make a statement:There are 2 keywords in the protocol that control whether the method is implemented (by default, @required) and, in most cases, the communication between programmers @required: This method must be implemented (if not implemented, the compiler warns)@required- (void)test; - (void)test2; @optional: This method is not necessarily implemented@optional- (

) computer. Of course, the 32-bit operating system installed on 64-bit computers, its hardware is like "Big Horse Cart": 64-bit performance will be greatly reduced. 3rd, the operation speed is different 64-bit CPU GPRs (general-purpose registers, universal Register) data width of 64 bits, 64-bit instruction set can run 64-bit data instruction, that is, the processor can extract 64 bit data at a time (as long as two instructions, a single extraction

method One: regular implementationfunction Format (num) { var reg=/\d{1,3} (? = (\d{3}) +$)/g; return "' ' $, ' ); }Explain:1. The regular Expression \d{1,3} (? = (\d{3}) +$) indicates that there is a number preceded by at least one set of 3 digits ending 2,? = indicates a forward reference, can be used as a matching condition, but the match to the content is not obtained, and as the start of the next query3. $ represents the content that matches the regular expression, specifically

When downloading pictures with Sdwebimage, only part of the picture appears gbitmapcontextcreate:unsupported parameter Combination:8 integer bits/component; Bits/pixel; 4-This error, trace Discovery Sdwebimagedecoder The method in this class returns image to nil, the method + (UIImage *) Decodedimagewithimage: ( UIImage *) Image in the BOOL Unsupportedcolorspace = (Imagecolorspacemodel = = 0 | | | imagecolo

Tags:linux operations pictures binaries gid User profile Change account view we know that in Linux, the root administrator's permissions are large, can support the execution of most programs and commands to make corresponding changes to the file, write. Of course, these functions can only be reflected on the root administrator. However, there is a phenomenon, some ordinary users can modify their own password through the passwd command, and then indirectly modified the/etc/passwd file. Fo

Tags: shel correlation function log marker send interpreter Col AliSome bits and pieces of basics I. Understanding shell scriptsa) Related conceptsThe shell is a command interpreter that executes the commands and programs that the user enters in order (the command that encounters the sub-script, which executes the sub-script first).The Shell scripting language is a weakly typed language, and the advantage over other scripting languages is that it can

24-bit PCM 24-bit linear PCM is stored in blocks. Each block is divided into two parts. The first part contains the most significant two bytes of each channel for two samples in big endian order: The second part contains all least significant bytes of each channel for the two samples in the same order: The complete block looks like this: T = Top byte = bits 23 .. 16 M = middle byte = bits