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Hamming
【LeetCode】191. Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-11-07 11:38
LeetCode
(easy)LeetCode 191.Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-11-06 07:25
LeetCode
191 Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-11-03 22:09
number
UVa 729 The
Hamming
Distance Problem【枚举排列】
题意:给出数组的长度n,给出h,表示这个数组里面含有h个1,求其所有的排列 用next_permutation就可以了 1 #include<iostream> 2 #include<cstdio> 3 #include<cstring> 4 #include <cmath> 5 #include<st
·
2015-11-03 21:32
uva
Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-11-03 21:13
number
leetcode 191
Hamming
Weight
191. For example, the 32-bit integer ’11' has binary representation 00000000000000000000000000001011, so the function should return 3. Java code int hammingweight(int n) //因为是32位,所以n
·
2015-11-02 19:08
LeetCode
UVA 729 The
Hamming
Distance Problem
手写的next_permutation比库函数写的高了一倍的时间额。 CODE: #include <iostream> #include <algorithm> #include <cstdlib> #include <cstdio> #include 
·
2015-11-02 18:47
uva
LA 3602 DNA Consensus String
最近审题老是一错再错,Orz 题目中说求一个
Hamming
值总和最小的字符串,而不是从所给字符中找一个最小的 这样的话,我们逐列处理,所求字符串当前位置的字符应该是该列中出现次数最多其次ASCII值最小的
·
2015-11-02 11:44
String
搜索里的相似度计算-最长公共字串
相似度计算的任务是根据两段输入文本的相似度返回从0到1之间的相似度值:完全不相似,则返回0,;完全相同,返回1.衡量两端文字距离的常用方法有:海明距离(
Hamming
distance),编辑距离,欧氏距离
·
2015-10-31 16:28
相似度计算
【leetcode】Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 15:52
LeetCode
Codeforces Round #303 (Div. 2)——B——Equidistant String
She uses the definition of
Hamming
distance:
·
2015-10-31 15:46
codeforces
Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 12:14
number
leetcode number of 1 bits python
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 11:21
LeetCode
金玉良言 —— You and Your Research
[英文原文] http://www.chris-lott.org/misc/kaiser.html 这是大科学家Richard
Hamming
的著名讲演,于1986年在贝尔通讯研究中心给200多名Bellcore
·
2015-10-31 09:25
search
Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 09:05
number
[LeetCode] Number of 1 Bits 位操作
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 09:23
LeetCode
【leetcode刷题笔记】Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-31 09:57
LeetCode
[LeetCode] Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-30 14:34
LeetCode
Hamming
Codes
/* ID: weitong4 LANG: C++ TASK:
hamming
*/ #include<stdio.h> #include<string.h> #define
·
2015-10-30 14:15
code
HDU 4217
Hamming
Distance 随机化水过去
Hamming
Distance Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/65535
·
2015-10-30 13:43
HDU
C语言 统计整数二进制表示中1的个数
这个问题有个正式的名字叫
Hamming
_weight,而且wikipedia上也提供了很好的位运算解决的方法,这个下面也会提到。
·
2015-10-30 10:12
C语言
距离公式
汉明距离(
Hamming
Distan
·
2015-10-28 08:53
[LeetCode] Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-27 16:59
LeetCode
Hamming
Problem(hdu3199)
Hamming
Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K
·
2015-10-27 14:48
HDU
Hamming
Weight的算法分析
看代码时遇到一个求32bit二进制数中1的个数的问题,感觉算法很奇妙,特记录学习心得于此,备忘。 计算一个64bit二进制数中1的个数。 解决这个问题的算法不难,很自然就可以想到,但是要给出问题的最优解,却很有难度。 通常,最容易想到的算法是除余法,继而考虑到除法的代价较高,而且除数是2,会想到使用向右移位来代替除法,并使用&0x1操作来取末位的值,这样提高了算法的效率。然而,这样仍
·
2015-10-27 14:26
算法
LeetCode - Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-10-23 08:57
LeetCode
人脸识别---排序测度特征(Ordinal Measures)
下面来看一张图(图1)来描述排序测度特征.图1虹膜排序测度的提取,最后用了
hamming
距离来比对数据库的模板。这是提取虹膜特征的一个方法。
hlx371240
·
2015-10-14 16:00
脸部识别
USACO 2.1
Hamming
Codes (递归)
#include #defineDEBUG1 #defineTESTCASES9 intcodewords,numOfBits,hammingDist; intmax; intresult[257]; intcountBit1(intnum){ intnumOfBit1=0; while(num){ num&=(num-1); numOfBit1++; } returnnumOfBit1; }
tiutiu2011
·
2015-10-01 09:00
递归
USACO
DFS
Codes
2.1
Hamming
汉明距离
Hamming
Distance
/**在信息理论中,两个等长字符串之间的汉明距离 *是两个字符串对应位置上不同字符的个数, *换句话说,汉明距离就是将一个字符串替换成另外一个字符串所需要替换的字符长度。 *例如,1011101和1001001之间的汉明距离是2, *toned和roses之间的汉明距离是3. *汉明重量是字符串相对于同样长度的零字符串的汉明距离, *也就是说,它是字符串中非零的元素个数:对于二进制字符
Horsemen
·
2015-09-16 00:00
【SICP练习】125 练习3.56
练习3-56原文Exercise3.56.Afamousproblem,firstraisedbyR.
Hamming
,istoenumerate,inascendingorderwithnorepetitions
NoMasp
·
2015-09-08 21:00
Stream
lambda
SICP
enumerate
raised
USACO-Section 2.1
Hamming
Codes (DFS)
描述给出N,B和D:找出N个编码(1 #include usingnamespacestd; intn,b,d,ans[65],num,ready[255],rn,t,tt,tmp,mx; boolisLegal(intx,inty){ x^=y,tmp=0; for(t=0;t=d; } inlineboolchoose(intindex){ for(tt=1;tt
idealism_xxm
·
2015-08-31 18:00
USACO
DFS
[leetcode 191]
Hamming
weight
Writeafunctionthattakesanunsignedintegerandreturnsthenumberof’1'bitsithas(alsoknownastheHammingweight).Forexample,the32-bitinteger’11'hasbinaryrepresentation00000000000000000000000000001011,sothefunct
ym65536
·
2015-08-28 07:00
HDU - 4712
Hamming
Distance(坑爹的随机数算法 + 暴力求解)
HammingDistanceTimeLimit:6000/3000MS(Java/Others) MemoryLimit:65535/65535K(Java/Others)TotalSubmission(s):1728 AcceptedSubmission(s):680ProblemDescription(Fromwikipedia)ForbinarystringsaandbtheH
qq_18661257
·
2015-08-19 17:00
什么是汉明窗?加Hanmming窗的作用?
matlab中
hamming
()函数的作用是:ThisMATLABfunctionreturnsanL-pointsymmetricHammingwindowinthecolumnvectorw 返回一个
ZhikangFu
·
2015-08-14 11:00
hdu 3199
Hamming
Problem
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3199解题思路:虽然数很大,但是并没有超过longlong的最大数,所以还是直接按照丑数的求法来就行了。。。AC代码:#include #include #include #include usingnamespacestd; typedeflonglongll; typedefpairnode_ty
piaocoder
·
2015-08-07 22:00
丑数
leetcode
Hamming
weight汉明权重计算
Writeafunctionthattakesanunsignedintegerandreturnsthenumberof’1'bitsithas(alsoknownastheHammingweight).Forexample,the32-bitinteger’11'hasbinaryrepresentation00000000000000000000000000001011,sothefunct
yanerhao
·
2015-08-02 20:00
leetcode:Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-07-19 10:00
LeetCode
LeetCode#191 Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-07-18 14:00
LeetCode
UVALive 4671 (LA 4671) K-neighbor substrings (2009年合肥) FFT
题目大意:就是现在定义两个字符串之间的
Hamming
距离指的是两个相同长度的字符串对应位置字符不同的位置数量,例如“aab"和”bab"的
Hamming
距离是1因为第一个字符不一样现在给出K个两个只包含字符
u013738743
·
2015-07-15 14:00
substring
uvalive
fft
la
4671
4671
K-neighbor
POJ 2545 && HDU 3199
Hamming
Problem(数论)
Description给出三个质数,求这素因子只有这三个质数的数中第k大的Input输入包括四个整数,前三个为三个质数a,b,c,第四个为查询数nOutput输出素因子只有这三个质数中第n大的数SampleInput71319100SampleOutput26590291Solution这个集合是通过集合里的每一个数×a,×b,×c来扩展的,要想从小到大,从ugly[1]开始扩展时,由于×a,×b
V5ZSQ
·
2015-07-11 10:00
新极客头条:带你发现这个世界是什么,哪些问题更重要
极客头条带你发现这个世界的重要问题1986年,图灵奖得主RichardW.
Hamming
在贝尔通讯研究中心,为两百名科学家做了题为《YouandYourRe-search》的演讲:我观察到,关上办公室的门
csdnproduct
·
2015-07-07 10:00
新极客头条:带你发现这个世界是什么,哪些问题更重要
极客头条带你发现这个世界的重要问题1986年,图灵奖得主RichardW.
Hamming
在贝尔通讯研究中心,为两百名科学家做了题为《YouandYourRe-search》的演讲:我观察到,关上办公室的门
极客头条
·
2015-06-25 02:42
【原创】LSH和p-stable LSH
LSH将原始空间中的点嵌入到
Hamming
空间中,即原始空间中点的表
Jiakunboy
·
2015-05-02 16:00
Xenia and
Hamming
http://codeforces.ru/contest/356/problem/BSolution设lena为a串长度,lenb为b串长度,gcd,lcm,为lena和lenb的gcd,lcm…你会发现一个同余关系,首先,lcm长度一次循环,在一次lcm长度内,a的每个字符,与b的每个同余位置的字符触碰且只触碰一次,然后就好办了。把答案求出来,再与lcm搞一搞。。Mycode//Hello.I'
UESTC_peterpan
·
2015-04-28 04:00
数学
gcd
LCM
同余关系
短文本合并重复(去重)的简单有效做法
不大合适的SimHash前些日子看了CharikarSimHash的介绍《Simhash算法原理和网页查重应用》,核心思想是用一个f位的hash值来表示文件的特征值,然后使用hash值之间的
Hamming
u010029983
·
2015-04-27 17:00
Simhash
【SICP练习】125 练习3.56
练习3-56原文Exercise3.56.Afamousproblem,firstraisedbyR.
Hamming
,istoenumerate,inascendingorderwithnorepetitions
NoMasp
·
2015-03-28 22:00
Stream
lambda
SICP
enumerate
raised
Number of 1 Bits
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-03-27 23:00
number
UVA - 729 - The
Hamming
Distance Problem (枚举排列)
思路:数组中有H个1,N-H个0,按照字典序全排列,注意这里数组可以开int型的也可以开char型的,char型的在这里感觉用起来更方便,至少不要for循环,用char型的数组记得要初始化(memset),或者s[N]='\0',因为这里有多组数据。AC代码①:#include #include #include #include usingnamespacestd; inta[20]; int
u014355480
·
2015-03-20 10:00
枚举
ACM
uva
暴力
下一个序列
USACO--2.1
Hamming
Codes
其实我们只需要从题目中给定的0–2^B-1这些数中从小到大选n个出来就行了,只需要满足每次选择的数和前面已选的数的
Hamming
距离必须不小于D。
acm_lkl
·
2015-03-13 12:00
USACO
[LeetCode] Number of 1 Bits 位1的个数
function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the
Hamming
·
2015-03-10 11:00
LeetCode
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