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Bzoj 1295: [SCOI2009] the longest distance

1#include 2#include 3#include 4#include 5 using namespacestd;6 intn,m,t;7 Doubleans=0;8 BOOLmp[ to][ to],inq[ to][ to],vis[ to][ to];9 intdis[ to][ to];Ten intdx[4]={1,-1,0,0}; One intdy[4]={0,0,-1,1}; A structdata{ - intx, y; -}q[100000]; the voidGetans (intXinty) - { - for(inti=x;i) - for(intj=1; j) +if(dis[i][j]ans) -ans= (Y-J) * (y-j) + (x-i) * (X-i); + } A voidSearchintXxintyy) at { -intnowx,nowy,i,t=1, w=1, Nx,ny; -q[1].x=xx;q[1].y=yy; -memset (

Check whether the website is a pc or mobile user (iis/asp/c #)

IIS detection code Access Web site is PC-side or mobile-side users The code is as follows Copy Code ASP check whether the Web site is PC-side or mobile-end user The code is as follows Copy Code Dim u,b,vSet U=request.servervariables ("Http_user_agent")Set B=new REGEXPSet V=new REGEXPB.pattern= "(Android|bbd+|meego). +mobile|avantgo|bada/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile| IP (hone|od) |iris|kindle|lge |ma

Code Part8 and MATLAB Digital Image Processing in digital image processing principles and practices (matlab)

(imread('Lena.bmp ')));I0 = I;Ep = 1; dt = 0.25; lam = 0;Ep2 = ep ^ 2; [ny, nx] = size (I );Iter = 80;For I = 1: iter,% Center Difference Method for gradient and differentiation Calculation% WN N EN% W O E% WS S ESI _x = (I (:, [2: nx])-I (:, [1 1: nx-1])/2; % Ix = (E-W)/2I _y = (I ([2: ny], :)-I ([1 1: ny-1], :))/2; % Iy = (S-N)/2I _xx = I (:, [2: nx]) + I (:, [

MFC screenshot method

//get the current screen and save the pictureLRESULT cfeetscanview::saveviewbmp (WPARAM WPARAM, LPARAM LPARAM) {CRect rect; This->getclientrect (rect); Rect.left= -; Rect.top= the; CBitmap M_bitmap; M_bitmap.m_hobject=Copyscreentobitmap (rect); CharSzfilename[_max_path]; CharSzpath[_max_path]; Getconfigmgr ()-getmoduledirectory (szpath); sprintf (szFileName,"%s\\image.png", szpath); Savebitmaptofile (M_bitmap,szfilename); return 0;} Hbitmap Cfeetscanview::copyscreentobitmap (LPRECT LPRECT

Check whether the website is a pc or mobile user (iis/asp/c #)

This article will introduce you to check whether the website is accessed by a pc or a mobile user (iis/asp/c #). I hope this method will be helpful to you. Check whether the iis Code accesses the website on pc or mobile phone The Code is as follows: Copy code Asp checks whether the website is a pc or mobile user The Code is as follows: Copy code Dim u, B, vSet u = Request. ServerVariables ("HTTP_USER_AGENT ")Set B = new RegExpSet v = new Re

Use FORTRAN to read binary files

Program Test2 Implicit NoneInteger, parameter: NX = 72 , NY = 63 , NZ = 10 , Nhours = 24 , Nday = 4 , Nvar = 12 , NID = 22 Integer varid (nvar)Real tconc (NX, NY)Integer IV, Iz, IREC, I, jOpen ( 31 , File = ' L: \ newnaqpms \ 2008030712 \ testd4.2008030712.grd ' , Action = ' Read ' , Form = ' Unformatted ' , Access = ' Direc

Hdu 2425 Hiking Trip

(); I! = (c). end (); ++i) - Const intN = the; intypedef unsignedLong Longull; - BOOLVis[n][n]; to CharTrip[n][n]; + Const intDx[] = {0,0, -1,1}, dy[] = {-1,1,0,0 }; - intR, C, Vs, Vp, Vt, Sx, Sy, Dx, Dy; the structNode { * intx, y, S; $Node (inti =0,intj =0,intK =0): X (i), Y (j), S (k) {}Panax NotoginsengInlineBOOL operatorConstNode a)Const { - returns >A.S; the } + }; A intBFs () { theCLS (Vis,false); +Priority_queueque; -Que.push (Sx, Sy,0)); $Vis[sx][sy] =true; $ while

POJ-1475 pushing Boxes (bfs+ priority queue)

,int_BX,int_by,int_pt,int_t,string_s): mx (_MX), my (_my), BX (_BX), by (_by), PT (_pt), T (_t), S (_s) {} A BOOL operatorConstNode a)Const { - if(pt==a.pt) - returnT>A.T; the returnPt>a.pt; - } - }; - intr,c,vis[ -][ -][ -][ -]; + Charmp[ -][ -]; - stringf[2]={"NESW","NESW"}; + intd[4][2]={{-1,0},{0,1},{1,0},{0,-1}}; A BOOLOkintXinty) at { - if(x>=0x0yc) - return true; - return false; - } - voidBFsintMxintMyintBxintby ) in { -Priority_queueQ;

Mobile Zoom rotation compatible touch for mobile phone-side images

;var offy = dy + ev.y;var nx = xy.x + offx, NY = xy.y + offy;if (outmove) {if (NX > 0) {NX = 0;}if (NX + Obj[0].offsetwidth NX = Pt[0].clientwidth-obj[0].offsetwidth;}if (NY > 0) {ny = 0;}if (NY + obj[0].offsetheight NY = pt[0].clientheight-obj[0].offsetheight;}} else {if (N

"POJ 3669 Meteor shower" simple BFS

intdx[]={0,0,1,-1},dy[]={1,-1,0,0}; A intvis[max_n+1][max_n+1]; - - structNode the { - intX,y,time; - Node () {} -Node (intXxintYyintt): X (xx), Y (yy), time (t) {} + }; - + intInsideintXinty) A { at if(x0|| y0|| max_nreturn 0; - Else return 1; - } - - intBFS () - { inmemset (Vis,0,sizeof(Vis)); - if(g[0][0]==inf)return 0; to if(g[0][0]==0)return-1;//when g[0][0]==1, does not mean no hope to escape ... + //because the G array is preprocessed, the effect of each meteo

POJ 3669 Meteor Shower

#include One#include A using namespacestd; - #defineIOS Ios_base::sync_with_stdio (False) - #defineTIE Std::cin.tie (0) the #defineMIN2 (A, B) (A - #defineMIN3 (A, B) (A - #defineMAX2 (A, B) (AGT;B?A:B) - #defineMAX3 (a,b,c) (a>b? ( AGT;C?A:C):(b>c?b:c)) +typedefLong LongLL; -typedef unsignedLong LongULL; + Const intINF =0x3f3f3f3f; A Const DoublePI =4.0*atan (1.0); at - Const intmax_l =305; - intN, ans, x, y, T; - intboard[max_l][max_l]; - BOOLvis[max_l][max_l]; - intdx[4] = {1, -1,0,0}, dy[

2171 Board Overlay

;}BOOLInsideintXinty) { returnX>0x0yN;}BOOLHungaryintx) { for(intI=head[x];i;i=Next[i]) { if(!Yy[list[i]]) {Yy[list[i]]=1; if(!match[list[i]]| |Hungary (Match[list[i])) {Match[list[i]]=x; return 1; } } } return 0;}voidmapping () { for(intI=1; i){ for(intj=1; j) {Id[i][j]=++num; } } for(intI=1; i){ for(intj=1+! (i1); j2){ if(Mp[i][j])Continue; for(intk=0;k4; k++){ intnx=i+dx[k],ny

HDU 1010 Tempter of the Bone

) Decltype ((c). Begin ()) - #defineCLS (arr,val) memset (arr,val,sizeof (arr)) - #defineCpresent (c, E) (Find (All (c), (e))! = (c). End ()) - #defineRep (i, n) for (int i = 0; i - #defineTR (c, I) for (ITER (c) i = (c). Begin (); I! = (c). end (); ++i) in Const intN =Ten; -typedef unsignedLong Longull; to BOOLVis[n][n]; + CharG[n][n]; - intH, W, T, Sx, Sy, Dx, Dy; the Const intDx[] = {0,0, -1,1}, dy[] = {-1,1,0,0 }; * BOOLDfsintXintYints) { $ //find a solution and return directlyPanax Not

HDU 2822 Dogs

) memset (arr,val,sizeof (arr)) - #defineCpresent (c, E) (Find (All (c), (e))! = (c). End ()) - #defineRep (i, n) for (int i = 0; i - #defineTR (c, I) for (ITER (c) i = (c). Begin (); I! = (c). end (); ++i) - Const intN =1010; intypedef unsignedLong Longull; - Const intDx[] = {0,0, -1,1}, dy[] = {-1,1,0,0 }; to BOOLVis[n][n]; + CharRec[n][n]; - intm, N, Sx, Sy, Dx, Dy; the structNode { * intx, y, S; $Node (inti =0,intj =0,intK =0): X (i), Y (j), S (k) {}Panax Notoginseng BOOL operatorCo

Code of the book "Digital Image Processing Principles and Practices (MATLAB)" Part6, matlab Digital Image Processing

) = alpha (1 );For I = 2: NL (I) = gama (I)/m (I-1 );M (I) = alpha (I)-l (I) * beta (I-1 );EndY = zeros (1, N );Y (1) = d (1 );For I = 2: NY (I) = d (I)-l (I) * y (I-1 );EndX = zeros (1, N );X (N) = y (N)/m (N );For I = N-1 :-X (I) = (y (I)-beta (I) * x (I + 1)/m (I );EndP371Function Ig = gauss (I, ks, sigma2)[Ny, Nx] = size (I );Hks = (ks-1)/2; % half of Gaussian Kernel%-One-dimensional convolutionIf (

Android reflection implementation algorithm [Collection]

Public class MirrorView extends View {Paint m_paint;Int m_nShadowH;Drawable m_dw;Bitmap m_bitmap;// XxxxMatrix mMatrix;Int shadowHeight; Public MirrorView (Context context, Bitmap bitmap ){Super (context );M_bitmap = bitmap;_ Init ();// TODO Auto-generated constructor stub} Private void _ Init (){// M_dw = new BitmapDrawable (BitmapFactory. decodeResource (getResources (), R. drawable. icon ));M_dw = new BitmapDrawable (m_bitmap );M_dw.setBounds (0, 0, m_dw.getIntrinsicWidth (), m_dw.getIntrinsi

Plsql Common time functions

table. In this example, we have an off-line (logoff) system-level trigger mechanism to calculate the session time that has already started and put it into an Oracle statspack user_log extension table.UpdatePerfstat.stats$user_logSetElapsed_minutes =Round (To_number (logoff_time-logon_time) *1440)whereuser = user_idandElapsed_minutes is NULL;Find out which days are included in any monthCREATE OR REPLACE FUNCTION get_workingdays (NY in VARCHAR2) RETURN

OpenGL Basic Elements

calculating normal vectors is done by the programmer), but it provides functions that grant Normal directions to the current vertex. (1) Calculation Method of plane normal direction. In a plane, there are two intersecting line segments. Assume that one of them is vector W, the other is vector V, and the normal direction of the plane is N, then the normal direction of the plane is equal to the cross product of two vectors (following the right hand rule), that is, n = wxv. For example, if the thr

Android image rotation, scaling, and cutting

); LinearGradient lg = new LinearGradient( 0, 0, 0, m_nShadowH, 0xB0FFFFFF, 0x00000000, Shader.TileMode.CLAMP); m_paint.setShader(lg); m_paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY)); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); int nX = 0; int nY = 20; _DrawNormalImg(canvas, nX, nY); _DrawMirror

Challenge Program 2.1.5 Exhaustion Search >> Width First search (practice POJ3669)

]; - intNY = ch[i].y +Dy[k]; + if(NX >=0 NX 303 NY >=0 NY 303 (ch[i].t 1)) AMAP1[NY][NX] = ch[i].t;//give Everypoint the minimum burst time. at } - } - - intBFs () { -Queue que; -Que.push (P (0,0)); inmemset (step,-1,sizeof(step)); -step[0][0]=0; to while(Que.size ()) { +P p=Que.front (); - Que.pop (); the if(Map1[p.first

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