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permutation
UVa 10252 Common
Permutation
(water ver.)
10252-Common
Permutation
Timelimit:3.000seconds http://uva.onlinejudge.org/index.php?
synapse7
·
2013-11-09 16:00
C++
ACM
uva
传统密码学(一)——置换密码之列置换
置换密码(
Permutation
Cipher)又叫换位密码(TranspositionCipher),其特点就是保持明文的所有字符不变,打乱明文字符的位置和次序。
QU66Q
·
2013-11-06 13:00
密码
传统密码学(一)——置换密码之列置换
置换密码(
Permutation
Cipher)又叫换位密码(TranspositionCipher),其特点就是保持明文的所有字符不变,打乱明文字符的位置和次序。
QU66Q
·
2013-11-06 13:00
密码
Combinations 求1...n中k长度的组合 @LeetCode
和之前的那篇
permutation
类似,同样的递归思想packageLevel3; importjava.util.ArrayList; /** *Combinations * *Giventwointegersnandk
hellobinfeng
·
2013-11-06 06:00
Permutation
s 排序 @LeetCode
17441117第二种方法比较直观,DFS分成done和rest,每次依次从rest转移一个元素到donepackageLevel3; importjava.util.ArrayList; /** *
Permutation
s
hellobinfeng
·
2013-11-06 01:00
Codeforces Round #209 (Div. 2)赛后补题
B.
Permutation
令a[2*i-1]=2*i.a[2*i]=2*i-1.表达式的每一项均为1.要使两个表达式的差产生2*k,只要有k项大小颠倒,就会有k*(1-(-1))=2*k直接交换前k项a
z690933166
·
2013-11-05 17:00
【LeetCode】
Permutation
s II
Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample,[1,1,2
xiaozhuaixifu
·
2013-11-05 15:00
java
LeetCode
permutation
【LeetCode】Next
Permutation
Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
xiaozhuaixifu
·
2013-11-04 13:00
java
LeetCode
LeetCode题解:
Permutation
s I and II
Permutation
sGivenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3]havethefollowing
permutation
s
MagiSu
·
2013-11-04 02:00
LeetCode
LeetCode题解:Next
Permutation
Next
Permutation
Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
MagiSu
·
2013-11-04 00:00
LeetCode
Permutation
B.
Permutation
timelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputA
u010422038
·
2013-11-03 00:00
SPOJ 057 Supernumbers in a
permutation
原题链接:http://www.spoj.com/problems/SUPPER/这道题n())或降序查找(greater())。1#include 2#include 3#include 4#include 5#include 6usingnamespacestd; 7 8#defineN100005 9 10inta[N],L[N],R[N],n,m,d[N]; 11vec
·
2013-11-01 17:00
number
hdu 3664
Permutation
Counting(简单dp)
Permutation
CountingTimeLimit:2000/1000MS(Java/Others) MemoryLimit:32768/32768K(Java/Others)TotalSubmission
opm777
·
2013-11-01 15:00
2010现场赛
hdu 3664
Permutation
Counting(水DP)
Permutation
CountingTimeLimit:2000/1000MS(Java/Others) MemoryLimit:32768/32768K(Java/Others)TotalSubmission
y5885922
·
2013-10-31 19:00
c
算法
ACM
【PAT】1067. Sort with Swap(0,*)
1067.SortwithSwap(0,*)(25)时间限制100ms内存限制32000kB代码长度限制16000B判题程序Standard作者CHEN,YueGivenany
permutation
ofthenumbers
tiantangrenjian
·
2013-10-30 21:00
leetcode:
Permutation
s II (序列所有无重复排列)【面试算法题】
题目:Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample
zhang9801050
·
2013-10-29 21:00
LeetCode
DFS
无重复
Permutations
II
(字符串的处理4.7.14)UVA 10252 Common
Permutation
(寻找两个字符串中的共同字符&&按字典序输出)
/* *UVA_10252.cpp * *Createdon:2013年10月28日 *Author:Administrator */ #include #include #include #include usingnamespacestd; constintmaxn=1010; intmain(){ //charstr1[maxn],str2[maxn]; stringstr1,st
caihongshijie6
·
2013-10-28 16:00
【C++】uva10098
灰常简单,5分钟AC,求下一个排列,直接用库函数next_
permutation
搞定#include #include #include usingnamespacestd; intmain() {
u011613729
·
2013-10-28 13:00
ACM
uva
下一个排列
uva146
用库函数next_
permutation
(p,p+n)做的,超时了。看了下不用库函数做的思路也挺简单的,从最后一个字母向前找,找到第一个比最后字母小的,交换位置,然后把后面字母增序排列。
u011613729
·
2013-10-27 20:00
ACM
uva
下一个排列
HDU 3664
Permutation
Counting (DP)
题意:问所有的n的排列中有k个ai>i的排列有多少种。解题思路:设dp[i][j]表示i的排列中有j个ak>k的排列个数,状态转移方程就是:dp[i][j]=dp[i-1][j-1]*(i-j)+dp[i-1][j]*(j+1)对于第i个数i,如果选择放在当前i这个位置,那么值不变,如果选择放在前面的ai>i的那个位置上,则值也是不变的,如果选择放在前面的ai typedef__int64ll;
u010710717
·
2013-10-27 14:00
dp
集合元素的排列与子集
一、集合的排列 给定一个集合S,含有n个不重复的元素,输出该集合元素的所有排列,leetcode对应题目为:http://oj.leetcode.com/problems/
permutation
s
yutianzuijin
·
2013-10-26 22:00
LeetCode
子集
排列组合
Permutations
Subsets
字符串全排列:输入一个字符串,打印字符串元素的所有排列
*/ publicclassString
Permutation
{ publicstaticvoid
permutation
(char[]str,intstart,intend){ //start==end
ustc_summer
·
2013-10-20 14:00
字符串全排列
UVA - 11027 Palindromic
Permutation
题意:觉得这里讲的不错点击打开链接 ,详细看代码#include #include #include #include usingnamespacestd; constintMAXN=35; charstr[MAXN],result[MAXN],cword; intvis[130],word[MAXN],cnt; longlongn,F[MAXN],len; longlongcount(){ l
u011345136
·
2013-10-19 23:00
Leetcode: N-Queens II
returnthetotalnumberofdistinctsolutions.方法一:我们继续用N-Queens的方法,TimeLimitExceeded,Lastexecutedinput:11intresult; void
permutation
Helper
doc_sgl
·
2013-10-19 23:00
LeetCode
bit
operation
N-Queens
Leetcode:
Permutation
Sequence
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,for n
doc_sgl
·
2013-10-17 17:00
LeetCode
permutation
leetcode:
Permutation
s (序列所有排列)【面试算法题】
题目:Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3] havethefollowing
permutation
s
zhang9801050
·
2013-10-17 15:00
LeetCode
DFS
Permutations
leetcode:
Permutation
Sequence (顺序排列第k个序列) 【面试算法题】
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,for n
zhang9801050
·
2013-10-17 15:00
LeetCode
sequence
permutation
排列生成算法--递归法
permutation
(A,B,C,D)=A.
permutation
(B,C,D)+B.
permutation
(A,C,D)+C.
permutation
(B,A,D)+D.
permutation
(B,C
spch2008
·
2013-10-16 12:00
Permutation
Sequence
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,for n
liangxiao
·
2013-10-15 17:00
【LeetCode】
Permutation
s
Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3] havethefollowing
permutation
s
xiaozhuaixifu
·
2013-10-15 13:00
LeetCode
STL算法之 next_
permutation
、prev_
permutation
的原理和实现
两个函数类似,重点介绍next_
permutation
.template boolnext_
permutation
(BidirectionalIteratorfirst, BidirectionalIteratorlast
suwei19870312
·
2013-10-15 11:00
Permutation
Sequence
unique
permutation
s.Bylistingandlabelingallofthe
permutation
sinorder,Wegetthefollowingsequence(ie,for n
liangxiao
·
2013-10-15 00:00
Next
Permutation
Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
liangxiao
·
2013-10-13 12:00
project euler problem 24
Lexicographic
permutation
sProblem24A
permutation
isanorderedarrangementofobjects.Forexample,3124isonepossible
permutation
ofthedigits1,2,3and4
u011466175
·
2013-10-10 22:00
递归字典排列
DescriptionGeneratethecomplete
permutation
of 1..NInputEach input filecontainsonlyonenon-negativeintegerN
ylf13
·
2013-10-10 12:00
cf119 div1 a,b,c
Permutation
s AlgoRace Weak Memory
a题:纸上模拟下就知道在b中找一个连续的序列对应a,那么其他后面的值都可以往后或者插入了。直接考虑b中连续的对应a的位置就好了b题:先预处理每辆车的floyd距离然后dp【i】【j】【k】用i辆车,从j到k的最短时间 转移是dp【i】【j】【k】=dp【i-1】【j】【kk】+dp【0】【kk】【k】即类似floyd的转移c题:貌似很多人是二分+spfa或者bfs判断的。。。我开始没想那么多直接一
luyuncheng
·
2013-10-09 12:00
codeforces 340D Bubble Sort Graph(最长非递减子序列)
D.BubbleSortGraphtimelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputIahubrecentlyhaslearnedBubbleSort,analgorithmthatisusedtosorta
permutation
with
opm777
·
2013-10-09 00:00
codeforces
codeforces 341C Iahub and
Permutation
s(组合数dp)
C.Iahuband
Permutation
stimelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputIahubissohappyaboutinventingbubblesortgraphsthathe'sstayingalldaylongattheofficeandwrit
opm777
·
2013-10-07 11:00
组合dp
Permutation
Sequence
publicclassSolution{ publicStringget
Permutation
(intn,intk){ StringBuildersb=newStringBuilder(); for(inti
chen895281773
·
2013-10-06 21:00
数组表示数的下一个比它大的最小的置换
Implement next
permutation
, which rearranges numbers into the lexicographically next greater
permutation
lingfengtengfei
·
2013-10-06 15:00
排列组合
排列组合问题:1.字符串全排列(
permutation
) 转自:http://www.cnblogs.com/sujz/archive/2011/06/16/2082831.html问题:给定字符串
xiao_0429
·
2013-10-05 10:00
Leetcode:
Permutation
s II
Givenacollectionofnumbersthatmightcontainduplicates,returnallpossibleunique
permutation
s.Forexample,[1,1,2
doc_sgl
·
2013-10-04 23:00
LeetCode
unique
Permutations
Leetcode:
Permutation
s
Givenacollectionofnumbers,returnallpossible
permutation
s.Forexample,[1,2,3] havethefollowing
permutation
s
doc_sgl
·
2013-10-04 20:00
LeetCode
Permutations
计数dp-hdu-3664-
Permutation
Counting
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3664题目意思:求1~n的排列个数,使得逆序数(ai>i)为给定的k.解题思路:计数dp.dp[i][j]表示前1~i的排列中,有j个数是逆序数的个数.dp[i][j]=(j+1)*dp[i-1][j]+(i-j)*dp[i-1][j-1].考虑数i的放的位置,显然要想得到j个逆序数,i是大于前面的,所
cc_again
·
2013-10-04 17:00
动态规划
2014亚马逊在线笔试题目及解决方案(MMChess问题)
即关键在于非递归的全排列实现即可~其实直接利用STL中的next_
permutation
算法的,这里我又自己实现了一遍该算法,当练练手了~1#include 2#include 3#include
·
2013-10-01 21:00
解决方案
poj
Permutation
Code (模拟)
题意:给定S,P,C三个字符串,C是加密好的字符串,根据加密原理,求解原文。 posS,为字符在S串中的位置,posP为字符在P串中的位置。突破口在d,相当于密钥。然后往前循环依次得出M串的每个字符。得出在P串的位置利用了两个相同的树异或值为0的原理。 代码: #include #include #include #include usingnamespacestd; constintM
ljd4305
·
2013-09-30 12:00
leetcode:Next
Permutation
(求下一个排列) 【面试算法题】
题目:Implementnext
permutation
,whichrearrangesnumbersintothelexicographicallynextgreater
permutation
ofnumbers.Ifsucharrangementisnotpossible
zhang9801050
·
2013-09-29 21:00
枚举排列问题:生成1-n的排列和可重集排列问题
问题1对应:easy
Permutation
Print(intn,int[]A,intcur)函数,问题2:对应peasy
Permutation
Print(intn,int[]P
ccfeng2008
·
2013-09-29 17:00
java
算法
递归
UVa 10098 Generating Fast (全排列生成)
option=onlinejudge&page=show_problem&problem=1039Generating
permutation
hasalwaysbeenanimportantproblemincomputerscience.In
synapse7
·
2013-09-26 16:00
C++
ACM
uva
B. Fixed Points
timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputA
permutation
oflength
jj12345jj198999
·
2013-09-22 20:00
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