Multiplication

HDU4951:Multiplication table

ProblemDescriptionTeacherMaihasamultiplicationtableinbasep.Forexample,thefollowingisamultiplicationtableinbase4:*0123000000000100010203200021012300031221Butanaughtykidmapsnumbers0..p-1intoanotherpermu
libin56842·2014-08-15 18:00

Hdu 4951 Multiplication table

题目链接MultiplicationtableTimeLimit:4000/2000MS(Java/Others)    MemoryLimit:65536/65536K(Java/Others)TotalSubmission(s):491    AcceptedSubmission(s):230ProblemDescriptionTeacherMaihasamultiplicationtable
madaidao·2014-08-15 14:00

POJ 3318 Matrix Multiplication

题目大意：给出矩阵a，b，c。验证a*b是否等于c。解题思路：三次方复杂度的算法，正常情况下是过不了的。但是输入优化后可以过。再有就是随机验证。第二种没有啥意思，就记录一下输入优化好了~下面是代码：#include #include #include #include #include #include #include #include #include #include #include #
lin375691011·2014-08-12 18:00

HDU-1517-A Multiplication Game

感觉挺奇怪的一个题，感觉明显超时的代码结果过了代码：#include #include #include usingnamespacestd; longlongn; boolSG(longlongx) { if(x>=n) return0; for(inti=9;i>=2;i--) if(!SG(x*i)) return1; return0; } intmain() { while(scanf("
z309241990·2014-08-11 08:00

UVA - 348Optimal Array Multiplication Sequence（递推）

题目：OptimalArrayMultiplicationSequence题目大意：给出N个矩阵相乘，求这些矩阵相乘乘法次数最少的顺序。解题思路：矩阵相乘不满足交换率但满足结合率。dp【i】【j】代表第1个矩阵到第j个矩阵之间的最少的乘法次数，转移状态方程：dp【i】【j】=Min(dp【i】【k】+dp【k+1】【j】 +A[i-1]*A[k]*A[j])k>=i&&k #include ty
u012997373·2014-08-08 19:00

uva 847 - A Multiplication Game(规律)

题目链接：uva847-AMultiplicationGame题目大意：给定n，有p=1，每次操作可以给p乘上2~9，两个人人轮流操作，当p>=n时获胜。解题思路：算半个贪心吧，2~9为必胜，10~18为必败，19~162为必胜。。。即每次乘9，如果大于则是Stan胜，再乘2，如果大于则是Oliie#include #include #include usingnamespacestd; typ
u011328934·2014-08-06 23:00

HDU4920 Matrix multiplication (CPU cache对程序的影响)

ProblemDescriptionGiventwomatricesAandBofsizen×n,findtheproductofthem.bobohatesbigintegers.Soyouareonlyaskedtofindtheresultmodulo3. InputTheinputconsistsofseveraltests.Foreachtests:Thefirstlinecontain
u013790563·2014-08-06 20:00

HDU-4920 Matrix multiplication

            矩阵相乘，采用一行的去访问，比采用一列访问时间更短，根据数组是一行去储存的。神奇小代码。                     MatrixmultiplicationTimeLimit:4000/2000MS(Java/Others)    MemoryLimit:131072/131072K(Java/Others)TotalSubmission(s):1476   
·2014-08-06 15:00

HDU4920：Matrix multiplication

ProblemDescriptionGiventwomatricesAandBofsizen×n,findtheproductofthem.bobohatesbigintegers.Soyouareonlyaskedtofindtheresultmodulo3. InputTheinputconsistsofseveraltests.Foreachtests:Thefirstlinecontain
libin56842·2014-08-06 12:00

HDU_4920_Matrix multiplication_杭电多校1010_矩阵乘法的代码风格

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4920http://vjudge.net/contest/view.action?cid=52719#problem/J1.题意：两个n*n（1 #include #include usingnamespacestd; constintMAXN=888; inta[MAXN][MAXN],b[MAXN]
csuhoward·2014-08-06 10:00

hdu 4920 Matrix multiplication(矩阵坑题)

http://acm.hdu.edu.cn/showproblem.php?pid=4920被这道题虐了一下午，啥也不说了。继续矩阵吧。超时就超在每步取余上，要放在最后取余，再者注意三个循环的次序。#include #include #include #include #include #include #include #include #include #include #include #i
u013081425·2014-08-06 09:00

hdu 4920 Matrix multiplication(高效)

题目链接：4920Matrixmultiplication题目大意：给定两个n阶矩阵，求矩阵相乘后模3.解题思路：因为矩阵模掉3后只有0，1，2三种情况。所以对于矩阵A，记录每一行中1，2的位置，借助bitset。矩阵B中每一列1，2的位置。然后对于结果中每个位置，只要考虑1∗1,1∗2,2∗1，2∗2的个数即可。#include #include #include #include using
u011328934·2014-08-05 22:00

矩阵乘法 --- hdu 4920 ： Matrix multiplication

Matrix multiplication Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072
·2014-08-05 21:00

HDU 4920 Matrix multiplication（bitset)

HDU4920Matrixmultiplication题目链接题意：给定两个矩阵，求这两个矩阵相乘mod3思路：没什么好的想法，就把0的位置不考虑，结果就过了。然后看了官方题解，上面是用了bitset这个东西，可以用来存大的二进制数，那么对于行列相乘，其实就几种情况，遇到0都是0了，11得1，21，12得2，22得1，所以只要存下行列1和2存不存在分别表示的二进制数，然后取且bitcount一下的
u011217342·2014-08-05 21:00

HDU 4920 Matrix multiplication

ProblemDescriptionGiventwomatricesAandBofsizen×n,findtheproductofthem.bobohatesbigintegers.Soyouareonlyaskedtofindtheresultmodulo3. InputTheinputconsistsofseveraltests.Foreachtests:Thefirstlinecontain
u011345136·2014-08-05 21:00

hdu 4920 Matrix multiplication（矩阵乘法）

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4920MatrixmultiplicationTimeLimit:4000/2000MS(Java/Others)    MemoryLimit:131072/131072K(Java/Others)TotalSubmission(s):989    AcceptedSubmission(s):396P
u012860063·2014-08-05 21:00

HDU 4920（杭电多校训练#5 1010 题） Matrix multiplication(不知道该挂个什么帽子。。。）

题目地址：HDU4920对这个题简直无语到极点。。。居然O（n^3）的复杂度能过。。。。方法有三。。1：进行输入优化和输出优化。。（前提是你的输入优化不能太搓。。。）2：利用缓存优化。。详情请看该论文。大体就是将后两个for循环换过来，让坐标改变的频率降下来。3：叉姐题解中说的正规方法。。利用biset存储，进行预处理。。（其实我还没看懂。。我只写了个第二种。。。代码如下，共勉。。神奇的小代码。。
u013013910·2014-08-05 18:00

hdu 4920 Matrix multiplication（多校5 1010）

题目链接：点击打开链接暴力可以过，但是需要寻址优化，即在mul中的三层循环中FOR循环顺序是i，k，j，寻址时内存尽量是相连的会节省时间。代码： #include #include #include usingnamespacestd; intn; inta[805][805]; intb[805][805]; intt[805][805]; voidmul(){ memset(t
Baoli1008·2014-08-05 18:00

hdu 4920 Matrix multiplication（矩阵相乘）2014多校训练第5场

Matrixmultiplication                                     TimeLimit:4000/2000MS(Java/Others)    MemoryLimit:131072/131072K(Java/Others)ProblemDescriptionGiventwomatricesAandBofsizen×n,findtheproductoft
LYHVOYAGE·2014-08-05 18:00

POJ 1651 Multiplication Puzzle (区间dp 矩阵连乘)

MultiplicationPuzzleTimeLimit:1000MSMemoryLimit:65536KTotalSubmissions:6275Accepted:3808DescriptionThemultiplicationpuzzleisplayedwitharowofcards,eachcontainingasinglepositiveinteger.Duringthemoveplay
Tc_To_Top·2014-08-05 01:00

Multiply Strings leetcode java

题目： Given two numbers represented as strings, return multiplication of the numbers as a string.
·2014-08-04 11:00

ZOJ 1276 Optimal Array Multiplication Sequence

OptimalArrayMultiplicationSequenceTimeLimit:2Seconds    MemoryLimit:65536KB    SpecialJudgeGiventwoarraysAandB,wecandeterminethearrayC=ABusingthestandarddefinitionofmatrixmultiplication:Thenumberofcol
Houheshuai·2014-08-02 13:00

ZOJ 1276 Optimal Array Multiplication Sequence

OptimalArrayMultiplicationSequenceTimeLimit:2Seconds    MemoryLimit:65536KB    SpecialJudgeGiventwoarraysAandB,wecandeterminethearrayC=ABusingthestandarddefinitionofmatrixmultiplication:Thenumberofcol
Houheshuai·2014-08-02 12:00

[ACM] POJ 3318 Matrix Multiplication (随机化算法）

MatrixMultiplicationTimeLimit: 2000MS MemoryLimit: 65536KTotalSubmissions: 16118 Accepted: 3485DescriptionYouaregiventhree n × n matrices A, B and C.Doestheequation A × B = C holdtrue?InputThefirstlin
sr19930829·2014-07-28 21:00

Multiplication Table

逆向思维，二分查找答案。对于一个n*m乘法表，要查数字n前有多少小于等于n的，可用llsolve(llt){  llres=0;  for(inti=1;im)        tmp=m;      res+=tmp;  }  returnres;}二分时若solve(n) #include #definelllonglong usingnamespacestd; longlongn,m,k; l
Baoli1008·2014-07-26 09:00

Multiplication Table 二分

D.MultiplicationTabletimelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputBizontheChampionisn'tjustcharming,healsoisverysmart.Whilesomeofuswerelearningthemultip
Kimi_R_17·2014-07-23 10:59

UVA 442 (暑期－线性表－F-Matrix Chain Multiplication)

#include #include intmain(){ intn,arr[30][10]; scanf("%d",&n); getchar(); //读入矩阵 for(inti=0;i=0;j--) if(brr[j][2]=='('){ intk; for(k=j+1;k+1
kl28978113·2014-07-22 14:00

Uva 442 Matrix Chain Multiplication (矩阵连乘)

MatrixChainMultiplicationTimeLimit:Unknown MemoryLimit:Unknown 64bitIOFormat:%lld&%llu[Submit]  [GoBack]  [Status]  DescriptionSupposeyouhavetoevaluateanexpressionlikeA*B*C*D*EwhereA,B,C,DandEarematri
HelloWorld10086·2014-07-22 11:00

C - Modular multiplication of polynomials

DescriptionConsiderpolynomialswhosecoefficientsare0and1.Additionoftwopolynomialsisachievedby'adding'thecoefficientsforthecorrespondingpowersinthepolynomials.Theadditionofcoefficientsisperformedbyaddit
u014028231·2014-07-20 17:00

C - Modular multiplication of polynomials(4.3.2)

DescriptionConsiderpolynomialswhosecoefficientsare0and1.Additionoftwopolynomialsisachievedby'adding'thecoefficientsforthecorrespondingpowersinthepolynomials.Theadditionofcoefficientsisperformedbyaddit
u014552726·2014-07-20 11:00

4.3.2 C - Modular multiplication of polynomials（简单线性表）

 DescriptionConsiderpolynomialswhosecoefficientsare0and1.Additionoftwopolynomialsisachievedby'adding'thecoefficientsforthecorrespondingpowersinthepolynomials.Theadditionofcoefficientsisperformedbyaddi
u014665013·2014-07-20 09:00

Codeforces 448D Multiplication Table

http://codeforces.com/problemset/problem/448/DD.MultiplicationTabletimelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputBizontheChampionisn'tjustcharming,healsois
u013573047·2014-07-19 12:00

Multiplication Table（二分搜索）

Multiplication Table time limit per test 1 second memory limit per test 256 megabytes input
Simone_chou·2014-07-18 15:00

codeforces#256DIV2 D题Multiplication Table

题目地址：http://codeforces.com/contest/448/problem/D当时是按照找规律做的，规律倒是找出来了，但是很麻烦很麻烦。。看到前几名的红名爷们3分钟就过了，于是果断放弃了。。赛后才知道是用二分的方法做，知道了二分之后，剩下的就很简单了。。关键在于能不能想到用二分。。代码如下：#include #include #include #include #include
u013013910·2014-07-18 11:00

Modular multiplication of polynomials

C- ModularmultiplicationofpolynomialsTimeLimit:1000MS     MemoryLimit:10000KB     64bitIOFormat:%I64d&%I64uSubmit StatusDescriptionConsiderpolynomialswhosecoefficientsare0and1.Additionoftwopolynomials
u013263923·2014-07-18 11:00

【杂题】 codeforces 448D Multiplication Table

简单二分。。比赛时没想到。。#include #include #include #include #include #include #include #include #include #include #include #include #definemaxn1000005 #defineeps1e-10 #definemod1000000009 #defineINF99999999 #de
blankcqk·2014-07-18 10:00

UVA 348 Optimal Array Multiplication Sequence (区间DP)

题目链接~~>做题感悟：这题上来一看就是矩阵连成，就是输出的时候有点不好输出。解题思路：矩阵连乘：状态方程-> dp[i][j]=min{dp[i][k]+dp[k+1][j]+p[i]*p[k]*p[j]}代码：#include #include #include #include #include #include #include #include #defineINT__int64 con
u011074149·2014-07-16 10:00

R语言算术运算和逻辑运算

Arithmetic Operators   Operator Description + addition - subtraction * multiplication
·2014-07-12 19:00

LeetCode:Divide Two Integers

题目链接 Divide two integers without using multiplication, division and mod operator.
·2014-06-18 20:00

[leetcode]Divide Two Integers

新博文地址： [leetcode]Divide Two Integers   Divide Two Integers Divide two integers without using multiplication
huntfor·2014-06-12 10:00

[leetcode]Multiply Strings @ Python

//oj.leetcode.com/problems/multiply-strings/ 题意： Given two numbers represented as strings, return multiplication
·2014-06-11 11:00

[leetcode]Divide Two Integers @ Python

原题地址：https://oj.leetcode.com/problems/divide-two-integers/ 题意：Divide two integers without using multiplication
·2014-06-10 09:00

Matrix Chain Multiplication

原题地址http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=94算法：无视（，如果是A，B....就push,遇到），就pop两个出来，然后将新生成的push进去。#include#include#includeusingnamespacestd;classmatrixC{  public:    charname;    intr
u013480370·2014-05-21 15:00

Multiplication of numbers

You have to compose an array Output[N] such that Output[i] will be equal to multiplication of all the
·2014-05-19 15:00

[求PN点] poj 2505 A multiplication game

题目链接：http://poj.org/problem?id=2505AmultiplicationgameTimeLimit: 1000MS MemoryLimit: 65536KTotalSubmissions: 5098 Accepted: 2573DescriptionStanandOllieplaythegameofmultiplicationbymultiplyinganinteger
cc_again·2014-05-15 17:00

UVa 348 Optimal Array Multiplication Sequence(dp)

题目链接：UVa348-OptimalArrayMultiplicationSequence最优矩阵链乘。状态转移方程：dp[x][y]=min(dp[x][y],DP(x,i)+DP(i+1,y)+node[x].x*node[i].y*node[y].y)难点在于打印，我看了人家的代码才写出来，很精妙。#include #include usingnamespacestd; constin
fobdddf·2014-04-20 22:00

[动态规划]UVA348 - Optimal Array Multiplication Sequence

 OptimalArrayMultiplicationSequence Giventwoarrays A and B,wecandeterminethearray C = A B usingthestandarddefinitionofmatrixmultiplication:Thenumberofcolumnsinthe A arraymustbethesameasthenumberofrows
u011194165·2014-04-18 14:00

shell中的运算符

中的运算符Shellfile中：1)常用运算符号：++Incrementbyone(prefixandpostfix)―Decrementbyone(prefixandpostfix)+Plus-Minus*Multiplication
liangxiaowei66·2014-04-11 14:11

shell中的运算符

中的运算符Shellfile中：1)常用运算符号：++Incrementbyone(prefixandpostfix)—Decrementbyone(prefixandpostfix)+Plus-Minus*Multiplication
liangxiaowei66·2014-04-11 14:11

UVa442 Matrix Chain Multiplication

// UVa442 Matrix Chain Multiplication // 题意：输入n个矩阵的维度和一些矩阵链乘表达式，输出乘法的次数。
·2014-03-21 13:00
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