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HDU 1520 (tree-shaped DP)

DP and linear DP are similar. DFS a bit.#include #include#include#include#includeusing namespacestd;intN;inthappy[6005];vectorint> son[6005];intdp[6005][3];intvis[6005];voidDfsintNow ) {dp[now][1] =Happy[now]; dp[now][0] =0; for(intI=0; I) { intNEX =Son[now][i]; DFS (NEX); dp[now][1] + = dp[nex][0]; dp[now][0] + = max (dp[nex][0],dp[

2009 Beihang: Finding and deleting strings

Title Description: Given a short string (without spaces), and given a number of strings, delete the contained short string in these strings. Input: Enter only 1 sets of data.Enter a short string (with no spaces), and then enter several strings until the end of the file. Output: Delete the input short string (case insensitive) and remove the whitespace, output. Sample input:

HYSBZ 1040 Knight (base ring outward tree DP)

neighboring levels cannot be picked at the same time.The DP expression is: Dp[i][0]=∑max (dp[son][0],dp[son][1]); dp[i][1]=∑dp[son][0];But the problem is that there may be rings (at least 3 elements on the ring).If there is a ring, delete one of the edges in the ring, make a DP from two points on the side, and the final answer is Max (Dp[st][0],dp[en][0]), which means that two points cannot be taken at the same time.The problem may have multiple connected components, and not all connected compo

POJ 3463-sightseeing

paths to the V-point and Shortest path +1 is _cnt[v]+=cnt[u]. If DIST[U]+E.WThen the final answer is equal to cnt[e] plus the shortest path number from the starting point to the I-point length of the shortest short-circuit length of +1 times the first point to the first I.#include #include#include#include#includestring>#include#include#includeusing namespaceStd;typedefLong Longll;Const intinf=0x3f3f3f3f;Const intmaxm=11000;Const intmaxn=1100;structedge{intV,w,

Hdu 5437 Alisha ' s Party (priority queue)

http://acm.hdu.edu.cn/showproblem.php?pid=5437Good understanding of the topic, if violent words or timeouts, you can consider the priority queue can be very simple to solve the problem1#include 2#include 3#include 4#include 5 using namespacestd;6 structPoint {7 intX,id;8 CharMax201];9 BOOL operatorConstPoint Q)ConstTen { One if(x==q.x)returnq.idID; A returnxq.x; - } - }; thePoint pe[150001]; - intnex[150001],a[150001]; - intMain () - { + intt,n,m,z,i,x,y,

Authentication login for interface and event graphical interface

that encapsulates the width and height of a componentDimension Dim = New Java.awt.Dimension (200, 30);//Set the size of the Textname componentTextname.setpreferredsize (Dim);Jf.add (textname);//Add textname to the formCreate an object of the JLabel class to show how to buyJLabel lableshopping = new Javax.swing.JLabel ("How to buy");Jf.add (lableshopping);//Add labelshopping to the formJPasswordField nextname = new Javax.swing.JPasswordField ();Dimension NEX

HDU 1711 KMP

Number SequenceTime limit:10000/5000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 15052 Accepted Submission (s): 6597Problem Descriptiongiven-sequences of numbers:a[1], a[2], ..., a[n], and b[1], b[2], ..., b[m] (1 Inputthe first line of input is a number T which indicate the number of cases. Each case contains three lines. The first line is the numbers n and M (1 Outputfor Each test case, you should the output one line which only contain K described above. If N

POJ 3635 full Tank?

of water over.In this topic also learned to customize the structure of the priority queue used. Refer to the blog http://blog.csdn.net/dooder_daodao/article/details/5761550It is necessary to define a CMP struct as a comparison when initializing the priority queue of the struct body.#include #include#include#include#includestring>#include#includeusing namespacestd;Const intinf=0x3f3f3f3f;Const intmaxn=1100;Const intmaxm=110000;intVAL[MAXN];intN,m,u,v,w,q,cc,ss,ee,tot;intdp[maxn][ the];intHEAD[MA

Bzoj1861[zjoi2006]book Bookshelf

,root); Splay (x,ch[root][0]); ch[x][1]=z; fa[z]=x; update (x); update (root) ;Wuyi } the voidEraseintz) { - intX=pre (z), Y=nex (z); Splay (Y,root); Splay (x,ch[root][0]); ch[x][1]=0; fa[z]=0; update (x); update (root) ; Wu } - voidTopints) { About intX=pos[s]; Erase (x);intY=querynum (Root,1), z=Nex (y); add (y,z,x); $ } - voidBottomints) { - intX=pos[s]; Erase (x);intY=querynum (root,sz[root]

bzoj1698 [Usaco2007 feb]lilypad Pond Lotus leaf Pond [BFS]

the second question: there are several ways to add Lotus leaf.First, what if the shortest path number to the end point is required? Just judge when the SPFA is slack:ifvalue == dist[nex]) { tot[nex] += tot[cur]; push();}ifvalue value; tot[nex] = tot[nex]; push();}But this is the "Shortest path number", not

KMP algorithm template to find the position of substring and template string first match

1#include 2 using namespacestd;3 4 Const intMAXN = 1e6 +Ten;5 intNEX[MAXN];6 intS[MAXN], T[MAXN];7 8 voidGet_nex (intlm) {9 inti =0, j =-1; nex[0] = -1;Ten while(I lm) { One if(j = =-1|| T[J] = =T[i]) { Ai++; j + +; Nex[i] =J; - } - Elsej =Nex[j]; the } - } - - intKMP (intlnintlm) { + Get_nex (LM); - inti

POJ 3417 Network

root node is not evaluated at the time of calculation.Code:1#include 2 Const intm=100005;3 #defineSwap (x, y) t=x,x=y,y=t4 intt,cnt,ans,v[m1],dp[m],dep[m],hea[m1],nex[m1],p[m][ -];5 6 intRead ()7 {8 intx=0;CharCh=GetChar ();9 while(ch -|| Ch> $) ch=GetChar ();Ten while(ch> - ch -) x= (x1) + (x3) +ch- -, ch=GetChar (); One returnx; A } - - voidAddintXintY) {v[++cnt]=y,nex[cnt]=hea[x],hea[

Shortest circuit, Dijstra algorithm

#include #include#include#includeusing namespacestd;structe{intnext,c;}; Vector101];BOOLmark[101];intdis[101];intMain () {intn,m; while(Cin>>n>>m n!=0 m!=0){ intA,b,c; e temp; //Initialize for(intI=1; i) { edge[i].clear (); Dis[i]=-1; Mark[i]=false; } dis[1]=0; mark[1]=true; while(m--) {cin>>a>>b>>C; TEMP.C=C; Temp.next=A; Edge[b].push_back (temp); Temp.next=b; Edge[a].push_back (temp); } intnewp=1; for(intI=1; i){ for(intj=0

Codeforces Round #225 (Div. 1) C tree-like array | | Segment Tree

Node {int l,r;ll sum;int lazy;}; Node Tree_even[n * 4 + 55],tree_odd[n * 4 + 55];typedef struct NODE {int fro,to;int nex;}; NODE edge[2 * N + 55];int tot;int cnt;void Add (int u,int v) {Edge[tot].fro = U;edge[tot].to = V;edge[tot].nex = Head[u];he Ad[u] = tot++;} void Dfs (int u,int pre,int d) {Le[u] = ++cnt;for (int i=head[u];i!=-1;i=edge[i].nex) {int v = edge[

"03" Linux Notes

。Funny Sao Action Watch instance-command line clockwatch -t -n1 "date +%T|toilet"Enhanced Clockwatch -t -n1 "date +%T|toilet -fbigmono12"To record terminal operations:script scriptreplay录制命令:script -t 2>example.time -a example.txt播放命令:scriptreplay example.time example.txt两个文件可以随便命名 例如timing.log和output.session解释:1. -t是把时间数据输出到标准错误(standard error),这里使用 2>example.time 把数据重定向到example.time这个文件当中.2. -a 选项则指定输出录制的文件.3. 在录制过程中,使用 exit 结束录制过程.Hacker Empire Terminalsudo apt install cmatrix选项-a :异步滚动(默认)-

Five Secrets of the registry you don't know about.

modified and no hair is modified by modifying the Internet option. modified key values are: hkey_local_machine\software\microsoft\internet Explorer\mail\start Page and Hkey_current_ User\software\microsoft\internet Explorer\mail\start Page Solution: Open the above information to find it followed by the key value, the key value changed to ' About:blank ' can be. Secret of the Registry 2 3) Right key cannot be used: Modified place in: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Expl

Andrew Ng's Machine Learning course Learning (WEEK4) Multi-Class classification and neural Networks

This semester has been to follow up on the Coursera Machina learning public class, the teacher Andrew Ng is one of the founders of Coursera, machine learning aspects of Daniel. This course is a choice for those who want to understand and master machine learning. This course covers some of the basic concepts and methods of machine learning, and the programming of this course plays a huge role in mastering these concepts and methods.Course Address https

Forecast for 2018 machine learning conferences and 200 machine learning conferences worth attention in 200

, International Joint Conference on Computational Intelligence (IJCCI). Seville, Spain. 18-20 Sep, AI Summit San Francisco. San Francisco, USA. 19-21 Sep, International Conference on Computer-Human Interaction Research and Applications (CHIRA). Seville, Spain. 20-21 Sep, Deep Learning in Healthcare Summit London. London, UK. 23-25 Sep, Auto AI. Berlin, Germany. 27-29 Sep, IEEE Workshop on Advanced Robotics and its Social Impacts (ARSO). Genova, Italy. October 1-2 Oct, AI Expo Europe. Amsterdam,

HHVM Introduction (Translated)

Original link: http://coderoncode.com/2013/07/24/introduction-hhvm.html"HHVM (HIpHop Virtual Machina) translates the PHP code into a high-level bytecode (generally considered an intermediate language). The bytecode is then dynamically converted to x64 machine code at runtime by the JIT (just-in-time) compiler. Based on this consideration, HHVM is similar to virtual machines in other languages, including C#/CLR and JAVA/JVM. ”A bit of a long historyIn

Integrated example of easy getting started with Unified Modeling Language (UML)

the selected service type state. Through the status chart, we can learn without ambiguity how different active roles are converted under different conditions, what are the conversion conditions, whether deadlock occurs, and whether conditions are not fully considered, whether the status cannot be reached. The status chart helps us identify problems and correct them in time.   5.5 activity diagram   Figure 5.5 References Randy Miller's a hands-on introduction for developers. The customer managem

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