exam 461

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461. Ask for the "Hamming distance" of two numbers into binary Hamming Distance

public class Solution { public int HammingDistance(int x, int y) { int distance = 0; string sX = Convert.ToString(x, 2); string sY = Convert.ToString(y, 2); int maxLength = Math.Max(sX.Length, sY.Length); //填充0,使两个字符串右对齐 sX = sX.PadLeft(maxLength, ‘0‘); sY = sY.PadLeft(maxLength, ‘0‘); for ( int i = 0 I MaxLength I ++) { if (sX[i] != sY[i]) { distance++; } } return distance; } } From for notes (Wiz)

Napkins (COGS 461)

();} returnnum*Flag;}intInitintsum) { intans=0; memset (q,0,sizeof(q)); for(intI=1; i) { intx=Xu[i]; if(sum>=x) {ans+=x*p; Q[i]+=x; Sum-=x; X=0; } Else if(sum>0) {ans+=sum*p; Q[i]+=sum; X-=sum; Sum=0; } ////////////Slow Wash for(intj=1; j) if(q[j]>0) { if(q[j]>=x) {ans+=x*v2; Q[J]-=x; Q[i]+=x; X=0; Break; } Else{ans+=q[j]*v2; Q[i]+=Q[j]; X-=Q[j]; Q[J]=0; } } ///////////fast-washing if(!x)Cont

461. Hamming Distance

end of the loop, only one number is not 0, the other number is 0, and at this point 0 corresponds to all the binary is 0, at this time as long as the number of the calculation is not 0 of binary 1 of the number.Improvement: The above uses three while, with one is enough:1 classSolution {2 Public:3 intHammingdistance (intXinty) {4 intdis =0;5 while(x | |y) {//or operation, as long as there is a not 0 for this loop6Dis + = (x 1) ^ (Y 1);7X >>=1;8Y >>=1;9 }Ten

Leetcode 461. Hamming Distance Java language

The Hamming distance between and integers is the number of positions at which, the corresponding bits is different.Given integers x y and, calculate the Hamming distance.PS: To find the Hamming distance.Idea: The number of x and y binary xor 1Publicclasssolution{publicinthammingdistance (Intx, inty) {//stringx1= Integer.tobinarystring (x); //stringy1= Integer.tobinarystring (y);inttem=x^y; intcount=0;stringstr =integer.tobinarystring (TEM); for (Inti=0;iLeetcode

leetcode--461--Hamming distance

Problem Description:The Hamming distance between two integers refers to the number of different positions of these two numbers corresponding to bits.Give two integers x and y calculate the Hamming distance between them.Attention:0≤ x , y Example:input: x = 1, y = 4 output: 2 Explanation:1 (0 0 0 1 ) 4 (0 1 0 0) ↑ ↑ The above arrows pointed to the different positions of the corresponding bits.Method: 1 class Solution (object): 2 def Hammingdistance (self, x, y): 3 Span style

LeetCode-461. Hamming Distance

The Hamming distance between and integers is the number of positions at which, the corresponding bits is different.Given integers x y and, calculate the Hamming distance.Train of thought: Count two binary bitwise compare the number of different bits, first XOR, then the number of binary 1 of XOR. public class solution { public int hammingdistance (int x, int y) { int xor = x ^ y; int distance = 0; while (xor! = 0 ++; XOR = (xor-1); // " return distance; }}LeetCode-

Nefu number of bits of fibs 461 (matrix)

fibs number of digits problem:461 Time limit:1000ms Memory limit:65536k Description The generalized Fibonacci sequence is defined as follows: R0=a; R1= b; rn= uRn-1 + vRn-2 (n >= 3) Here a,b,u,v are real numbers, called RN for the generalized Fibonacci sequence. Now let you calculate the number of bits of the generalized Fibonacci sequence.

[Leetcode/javascript] 461.Hamming Distance__java

[Leetcode/javascript] 461.Hamming Distance Topic The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0≤x, y Example: input:x = 1, y = 4 Output:2 Explanation:1 (0 0 0 1)4 (0 1 0 0)? ? The above arrows point to positions where the corresponding bits are different. Analysis The topic is very simple, given two 32-bit integers

Leetcode 461. Hamming Distance

Leetcode 461. Hamming Distance Topics The Hamming distance between and integers is the number of positions at which, the corresponding bits is different. Given integers x and y, calculate the Hamming distance. Solution: Class Solution {public : int hammingdistance (int x, int y) { int z = x^y; int ans = 0; while (z) { ans++; Z = z-1; } return ans; } ; Writing this blog is mainl

Soft exam programmer Afternoon Exam C language Notes

1. The array name is a pointer constant representing the first address of the array space, and the constant assignment is not allowed in the program.such as int a[]; A is the array name, which represents the pointer constant of the first address of the array controlA = 0; is wrong and does not allow assigning values to pointer constants2. You can point to a constant by the pointer, but you cannot modify the contents of the constant through the pointersuch as: Char *p;p = "Testing"*p = ' 0 ';3.So

Inspirational Postgraduate Entrance Exam-an article I found very good at postgraduate entrance exam is suitable for beginners

most fundamental factor for the success of the postgraduate entrance exam is your insufficient internal power.Maybe you don't believe it. I will give you an example of my side. my colleagues and I are both admitted to external schools. We are all very diligent because of fierce competition. we use almost the same teaching materials, and our work habits are the same. I didn't go to the tutoring class, but at last I had a clear gap with him in the scor

Asp.net Microsoft certification new exam question bank and answer 1, asp.net exam question bank

Asp.net Microsoft certification new exam question bank and answer 1, asp.net exam question bank 1. You have created an ASP.net application that runs on the WEB site of TK. Your application contains 100 WEB pages. If you want to configure your application, a custom error message is displayed when an HTTP code error occurs. At the same time, you want to record the program errors to the log. If you want to ach

Detailed explanation of soft exam afternoon questions --- data flow diagram design, soft exam Data Flow

Detailed explanation of soft exam afternoon questions --- data flow diagram design, soft exam Data Flow Five main questions in the afternoon of the soft exam over the years are data flow diagram design, database design, uml diagram, algorithm, and design pattern. Starting from today's blog, I want to share with you the content of the soft

Master's Entrance Exam entry guide (postgraduate entrance exam process)

◆ Learn about postgraduate entrance exams Postgraduate information can be divided into public information and semi-public information based on the degree of openness. Public information refers to information publicly transmitted through various channels, including the National Graduate admission policies, professional directories, and enrollment brochures. Semi-public information is usually not made public, but candidates can still learn through special channels, such as the content and focus o

2015 Hebei adult Bachelor's degree English exam true answer "4800 exam 53855"

2015 Hebei degree English exam true answer "4800 exam after pay 53855"One, the first layer for hard studyMention the study to say "head cantilever, Cone Thorn shares", "hard, hard, and hard." Students at this level feel that learning is boring, learning is a forced behavior for them, not to learn the fun. For a long time, the study inevitably produced a sense of fear, thus breeding the mood of weariness, th

"Fifth day of training, exam + digital" Exam really does not use algorithm ~~~~~~~~~

?? I also want to ask why:6 7 array size Others len++ less than themselves with one8 9 */Ten#include One#include A#include -#include - #defineINF 2147483647 the using namespacestd; - intbit[ -]; - Long Longdp[ -][ -][2005]; - Long LongRead () { + CharCintf=1;Long Longx=0; c=GetChar (); - while(c>'9'|| c'0'){if(c=='-') f=-1; c=GetChar ();} + while(c'9'c>='0') x=x*Ten+c-'0', c=GetChar (); A returnf*x; at } - - Long LongDfsintPosintOintSumintlimit) { - if(pos==0)returnsum

L1-005. Exam seat number, l1-005 exam seat number

L1-005. Exam seat number, l1-005 exam seat number Each PAT candidate is assigned two seat numbers when taking the test. One is the test seat and the other is the test seat. Under normal circumstances, the examinee receives the test seat number before admission. After the seat enters the test status, the system displays the test seat number of the examinee. During the test, the examinee needs to change to th

Another Alibaba pen exam and another Alibaba exam

Another Alibaba pen exam and another Alibaba exam The next written examination... Various busy times... 1. If the key code K of an integer is hashed to a hash list with N slots, which of the following hash functions are good hash functions () A. h (k) = K/n B. h (k) = 1 C. h (k) = k mod N D. h (k) = (K + random (N) mod N, random (N) returns an integer ranging from 0 to N. 2. In the following sorting algorit

Guang lianda beiyou pen exam, Guang lianda beiyou exam

Guang lianda beiyou pen exam, Guang lianda beiyou exam Guang lianda beiyou lecture pen questions Programming questions 1. Compared with arrays, linked lists do not have the following advantages: small storage space. 2. A group of people of different ages, find the minimum age difference (absolute value), the time complexity is less than O (n ^ 2) My idea is: sort the ages (from small to large) in a quick so

Exam: Use two stacks to implement the queue, and use the exam to implement the queue

Exam: Use two stacks to implement the queue, and use the exam to implement the queue # Include Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger.

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