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permutation
HNU Joke with
permutation
(深搜dfs)
action=problem&type=show&id=13341&courseid=0Joke with
permutation
TimeLimit:3000ms,SpecialTimeLimit:7500ms
qiqi_skystar
·
2015-10-12 14:00
LeetCode----
Permutation
Sequence
Permutation
SequenceTheset [1,2,3,…,n] containsatotalof n!
whiterbear
·
2015-10-11 20:00
LeetCode
python
康托展开
生成全排列
STL源码——排列生成算法(next-
permutation
、pre-
permutation
)
排列生成算法有三种:序数法、字典序法、换位法。本文只讨论前两种较常用的方法。一.序数法所谓序数,指的是某个排列在这n的数的所有排列中按字典序排序的序数。已知一个排列,可以用康托展开求其序数。假设排列为,这个排列对应的序数为。其中表示位于第i位右边比小的元素的个数,排列组合意义上理解:设当前排列,考察第位,第位比小的排列的一定比小,第位有中情况,后面的位的情况为,所以在位比排列小的排列有种情况。对每
ww32zz
·
2015-10-11 16:00
算法
STL
输出从1~n的全排列
{inti=0;for(i=0;i
permutation
han867241432
·
2015-10-09 20:05
小题目
含有重复元素的全排列
*@return:Alistof
permutation
s. */ vector>permuteUnique(vectornums){
gettogetto
·
2015-10-09 20:00
2015年四川省赛||弱校联萌十一大决战之强力热身 H. Range Query 二分图的最大匹配确定匹配顺序
cid=6865#problem/Hfroghasa
permutation
\(p(1),p(2),\dots,p(n)\)of\(\{1,2,\dots,n\}\).Shealsohas\(m_1+m_
u013573047
·
2015-10-09 15:00
leetcode题目 全排列(三种解法)
题目:Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3]havethefollowing
permutation
s
cainiaoxiaomin
·
2015-10-07 21:57
笔试编程题
擅长排列的小明
题目传送门:点击打开链接//stl里面的next_
permutation
函数的运用 #include #include #include #include #include #include usingnamespacestd
xiaotan1314
·
2015-10-06 11:00
hdu 5495 LCS
ProblemDescriptionYouaregiventwosequence{a1,a2,...,an}and{b1,b2,...,bn}.Bothsequencesare
permutation
of
dielucuan8830
·
2015-10-05 21:00
HDU 5495 LCS
_1,a_2,...,a_n}{a1,a2,...,an} and {b_1,b_2,...,b_n}{b1,b2,...,bn}.Bothsequencesare
permutation
of
jtjy568805874
·
2015-10-05 17:00
HDU
HDU 5495 LCS (并查集判环)
~~【题目大意】:ProblemDescriptionYouaregiventwosequence {a1,a2,...,an} and {b1,b2,...,bn}.Bothsequencesare
permutation
of
u013050857
·
2015-10-04 22:00
HDU
并查集
BestCoder
判环
HDU 5495 LCS(其实就是找环)——BestCoder Round #58(div.1 div.2)
Bothsequencesare
permutation
of {1,2,...,n}.
queuelovestack
·
2015-10-03 23:00
ACM
Next
Permutation
原题链接在这里:https://leetcode.com/problems/next-
permutation
/题目:Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
Dylan_Java_NYC
·
2015-10-01 21:00
Bit-reversal
permutation
转自维基百科:Inappliedmathematics,abit-reversal
permutation
isa
permutation
ofasequenceofnitems,wheren=2kisapoweroftwo.Itisdefinedbyindexingtheelementsofthesequencebythenumbersfrom0ton
dumeichen
·
2015-09-29 15:00
LeetCode 题解(242) : Palindrome
Permutation
II
题目:Givenastrings,returnallthepalindromic
permutation
s(withoutduplicates)ofit.Returnanemptylistifnopalindromic
permutation
couldbeform.Forexample
u011029779
·
2015-09-28 04:00
Algorithm
LeetCode
面试题
LeetCode
Permutation
s II
原题链接在这里:https://leetcode.com/problems/
permutation
s-ii/题目:Givenacollectionofnumbersthatmightcontainduplicates
Dylan_Java_NYC
·
2015-09-27 12:00
LeetCode 题解(241) : Palindrome
Permutation
题目:Givenastring,determineifa
permutation
ofthestringcouldformapalindrome.Forexample,"code"->False,"aab"
u011029779
·
2015-09-27 12:00
Algorithm
LeetCode
面试题
LeetCode
Permutation
s
原题链接在这里:https://leetcode.com/problems/
permutation
s/题目:Givenacollectionof distinct numbers,returnallpossible
permutation
s.Forexample
Dylan_Java_NYC
·
2015-09-27 11:00
next_
permutation
下一个排列组合,核心思想就是next_
permutation
(a,a+strlen(a),cmp)函数的使用,水题#include #include #include #include #include
wxyfennie
·
2015-09-27 10:00
LeetCode31 Next
Permutation
题目:Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
l294265421
·
2015-09-26 22:00
CodeForces 483C Diverse
Permutation
Diverse
Permutation
TimeLimit:1000MSMemoryLimit:262144KB64bitIOFormat:%I64d&%I64uDescription
Permutation
pisanorderedsetofintegersp1
FTQOOO
·
2015-09-26 17:00
C语言
codeforces
java 字符串排列组合
publicstaticLinkedList
permutation
(Stringstr){LinkedListlinkedString=newLinkedList();if(str.length()0&
dong281055686xin
·
2015-09-25 15:24
LeetCode --
Permutation
s
题目描述:Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3]havethefollowing
permutation
s
csharp25
·
2015-09-25 11:00
【线性代数公开课MIT Linear Algebra】 第五课 排列矩阵、转置、向量空间与列空间
排列矩阵
permutation
matrix排列矩阵指的是可以完成行互换的矩阵这是上一课当中的内容,我们已经知道在LU分解中若pivot都不为0则我们无需进行行互换,当pivot存在0时,我们需要将其与一个合适的行互换来继续
a352611
·
2015-09-24 21:00
MIT
线性代数
麻省理工
向量空间
列空间
实现字典全排列
#include#include/*进行全排列,如输入m=2n=2输出11122122*/void
permutation
(int*buf,intn,intsize,intm);intmain(){/*当
chenweiwei2014
·
2015-09-22 23:50
LeetCode -- Next
Permutation
题目描述:Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
csharp25
·
2015-09-22 09:00
Gargari and
Permutation
s(dp)
题目链接:codeforces463D题目大意:给出k个排列,问这k个排列的最长公共子序列的长度。题目分析:第一次做这种排列的dp,感觉学到了一种新的定义状态的方法。首先我们要记录pos[i][j]代表第i行数j出现的位置。cnt[i]记录当前扫过的范围内数i出现的次数。dp[i]表示以数i结尾的最长公共子序列的长度。我们首先遍历的是序列的长度,然后每次扫描每一行上的数,更新cnt[i],然后如果
qq_24451605
·
2015-09-21 19:00
dp
codeforces
排列
【递归】:poj1833,全排列
id=1833使用next_
permutation
(data+1,data+1+n)//data+1为起始位置,n为长度runtimeerror,不知道哪错了,三个用例都能过。
mmc2015
·
2015-09-21 09:00
递归
全排列
poj1833
【剑指Offer】字符串的排列
代码实现classSolution{ public: vector
Permutation
(stringstr){ vectorr; if(
zgljl2012
·
2015-09-20 23:00
字典排序
permutatio
牛客网
剑指offer
字符串的排列
[CareerCup] 9.5
Permutation
s 全排列
9.5Writeamethodtocomputeall
permutation
sofastring.
Grandyang
·
2015-09-20 09:00
【NTT】 ZOJ 3874
Permutation
Graph
推出公式以后分治ntt优化即可。。。#include usingnamespacestd; typedeflonglongLL; constintmaxn=100005; constintmaxm=300005; constintmod=786433; LLa[maxm],b[maxm],c[maxm]; LLf[maxn],dp[maxn]; intdata[maxn]; LLpowmod
blankcqk
·
2015-09-18 13:00
ntt
leetcode/Next
Permutation
package com.wj; /* implement next
permutation
, which rearranges numbers into the lexicographically next
王大豆
·
2015-09-17 13:00
排序
arr
leetcode-31 Next
Permutation
数字排列组合找到下一个更大值
问题描述:Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
woliuyunyicai
·
2015-09-16 19:00
POJ 1833 排列
关于next_
permutation
的用法#include #include #include usingnamespacestd; #defineN1025 inta[N]; intmain() {
zyx520ytt
·
2015-09-13 14:00
Permutation
(简单构造)
题目链接:codeforces359B题目大意:给出n和k,要求构造一个长度为2*n的排列,满足如下的式子:∑i=1n|a2∗i−1−a2∗i|−|∑i=1na2∗i−1−a2∗i|=2∗k题目分析:首先最终构造的2*k一定是小于n的偶数,如果我们直接放入自然数的排列,结果是0,我们将2*i-1和2*i分为一组,每次调换组内位置(每组只能调换一次)都可以导致最后结果加2,那么所有的k所要求的结果我
qq_24451605
·
2015-09-12 20:00
codeforces
构造
全排列总结
Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample,[1,1,2
qdqade
·
2015-09-12 18:33
example
contain
Numbers
possible
全排列总结
Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample,[1,1,2
qdqade
·
2015-09-12 18:33
example
contain
Numbers
possible
Leetcode: Palindrome
Permutation
QuestionGivenastring,determineifa
permutation
ofthestringcouldformapalindrome.Forexample,“code”->False,
ayst123
·
2015-09-11 08:00
lintcode-第k个排列-388
样例对于n=3,所有的排列如下:123132213231312321如果k=4,第4个排列为,231.注意1≤n≤9classSolution{ public: boolnext
Permutation
ljlstart
·
2015-09-09 22:00
leetcode_
Permutation
s II
描述:Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample
dfb198998
·
2015-09-09 18:00
LeetCode
hashset
permutation
II
Leetcode:
Permutation
Sequence
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,forn=
ayst123
·
2015-09-09 08:00
Leetcode:
Permutation
s II
QuestionGivenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample
ayst123
·
2015-09-09 07:00
Leetcode:
Permutation
s
QuestionGivenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3]havethefollowing
permutation
s
ayst123
·
2015-09-09 06:00
lintcode-下一个排列
1,2,3→1,3,23,2,1→1,2,31,1,5→1,5,1classSolution{ public: boolnext
Permutation
(vector&nums){ intn=nums.size
ljlstart
·
2015-09-08 21:00
lintcode-带重复元素的排列 -16
给出一个具有重复数字的列表,找出列表所有不同的排列样例给出列表[1,2,2],不同的排列有:[ [1,2,2], [2,1,2], [2,2,1]]classSolution{ public: boolnext
Permutation
ljlstart
·
2015-09-08 21:00
LeetCode(60)
Permutation
Sequence
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,forn=
fly_yr
·
2015-09-07 20:00
LeetCode
LeetCode题解:
Permutation
s
Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3]havethefollowing
permutation
s
u012403246
·
2015-09-06 21:00
LeetCode题解:Next
Permutation
Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
u012403246
·
2015-09-06 21:00
1067. Sort with Swap(0,*) (25)
题目链接:http://www.patest.cn/contests/pat-a-practise/1067题目:Givenany
permutation
ofthenumbers{0,1,2,...,N-
Apie_CZX
·
2015-09-06 14:00
HDU 3667
Permutation
Counting
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3664题意:给出一个有n个数数列,没有一个数ai>I,E就加1,给出n和E问有多少种情况思路:应该也是想到了dp……但是完全没想到是如何转移状态,dp[i][j]中有j个ai>I和i-j个ai #include #include #include #definemaxn1030 #definemod10
csdn364988181
·
2015-09-05 22:00
ACM
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