denon 4311

(inti =0; I ) - { - intxx =point[i].x; the intyy =point[i].y; - intPOSX = Upper_bound (x, x + N, xx)-x;Wuyi intPosy = Upper_bound (y, y + N, yy)-y; thell tmpx = (ll) posx * XX-SUMX[POSX-1] + sumx[n-1] --Sumx[posx-1]-(LL) (N-POSX) *xx; Wull tmpy = (ll) posy * Yy-sumy[posy-1] + sumy[n-1] --Sumy[posy-1]-(LL) (n-posy) *yy; About if(Tmpx + Tmpy ans) $ { -Ans = tmpx +Tmpy; - } - } Aprintf"%i64d\n", an

Topic linksSerious solution:Given the coordinates of n points, find a point, and the smallest distance to other points of Manhattan.n can be 100000.An O (NLOGN) algorithm is probably needed.The Euclidean distance can be calculated by dividing X and y to calculate the prefix and to determine the distance from one point to another within the O (1) time.#include Narrowing the scope method:Another way, I thought so, but later did not dare to pay, I think it will WA.Because it is not very reliable in

() - { - ints=0, fh=1;CharCh=GetChar (); the while(ch'0'|| Ch>'9'){if(ch=='-') fh=-1; ch=GetChar ();} - while(ch>='0'ch'9') {s=s*Ten+ (ch-'0'); ch=GetChar ();} - returns*fh; - } + BOOLCMP (node Aa,node BB) - { + returnaa.aBB.A; A } at intMain () - { - intt,n,i; - LL mn,sum,sum1; -t=read (); - while(t--) in { -n=read (); to for(i=1; ii;} +Sort (x+1, x+n+1, CMP); -Sort (y+1, y+n+1, CMP); theqx[1]=0; qy[1]=0; qx1[1]=0; qy1[1]=0; * for(i=2; i) $

(c (m). Y) * Q (i). y);if (K Ans[_q[i]] = max (Ans[_q[i]), LL (C (M). x) * Q (i). x + ll (c (m). Y) * Q (i). y);Break ;}(K }}}void Work () {Build (Root = pt++, 1, N);For (T = 0; T pn = 0;Solve (Root, 1, N);for (int i = 0; i }void Init () {N = Getint ();qn = vn = 0;memset (_q,-1, sizeof _q);for (int i = 1; I int t = getint ();if (t = = 3) {_q[i] = qn;q[qn].x = Getint (), q[qn].y = Getint ();Q[QN++].P = i;} else if (t = = 1) {v[vn].x = Getint (), v[vn].y = Getint ();V[VN].L = i, V[VN++].R = N;} e

the distance and equal to its front of the number of points multiplied by its own again minus the front of a bit and, Do you think it's time to ask for a sequence of numbers and we go through the sequence of numbers, and by this method we get a point to the point in front of it with O (n) and then go backwards through the sequence with similar thoughts to the distance to the point behind it, plus the line.There is also a separate x, y sort sum, but you can do this: first directly to find the fr

,pos; A} n[100005]; atll sumx[100005]; -ll sumy[100005]; -ll ans1[100005]; -ll ans2[100005]; - intEXM; - BOOLCMP1 (structNode AA,structnode BB) in { - returnaa.xbb.x; to } + BOOLCMP2 (structNode AA,structnode BB) - { the returnaa.ybb.y; * } $ intMain ()Panax Notoginseng { - while(~SCANF ("%d",t)) the { + for(intI=1; i) A { thescanf"%d",EXM); +memset (N,0,sizeof(N)); -memset (ANS1,0,sizeof(ans1)); $memset (Ans2,0,sizeof(ANS2)); $ for(intj=1; j) -

! HDU 4311 minimum Manhattan distance-Thinking timing-(separated and sorted by horizontal and vertical coordinates), hdu Manhattan Question: There are n points. Start from a point in the n points and find the distance and minimum value of the Manhattan point. Analysis: Brute-force enumeration times out again. This type of question is generally considered, and most of them use skills to find an efficient method. I personally think this question is sim

Question: give n ( Manhattan distance: We all know that the Manhattan distance between a (XA, Yb) and B (XB, Yb) in the two-dimensional coordinate system is ABS (xA-xB) + ABS (ya-Yb ); We can see that this distance is related to X and Y, but x and y

HDU 4311Test instructions: There are n points on the plane, one point (x, y) can only reach (X-1,y), (X+1,y), (×, y-1), (x, y+1) 4 points. Find a point from N points to minimize the sum of the distance from the other point to this point.Ideas:It can

This question has a certain skill, need to calculate the meaning of a point in the time complexity of nlog (N), N-1 points to the distance between the sum, here need to use such a technique, calculate the distance from X and Y separately. First,

Fullpage.js and Fullpage are able to achieve full screen scrolling, the difference is: fullpage.js need to rely on the jquery library, and fullpage do not need to rely on any one JS library, can be used alone. one, fullpage.js to achieve full screen Fullpage.js is the open source jquery plug-in Library, its GitHub address: https://github.com/alvarotrigo/fullPage.js 1. Basic Demo 1.1 Introduction of files 1.2 CSS: The introduction of CSS is not to set the style of elements, the style of elemen

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1. Download the Nginx RPM package [Root@chen ~]# wget http://nginx.org/packages/centos/6/noarch/RPMS/ nginx-release-centos-6-0.el6.ngx.noarch.rpm--2015-12-31 23:05:21-- http://nginx.org/packages/centos/6/ NOARCH/RPMS/NGINX-RELEASE-CENTOS-6-0.EL6.NGX.NOARCH.RPM Parsing host nginx.org ... 206.251.255.63, 95.211.80.227, 2001:1af8:4060:a004:21::e3 is connecting nginx.org|206.251.255.63|:80 ... is connected. An HTTP request has been made and is waiting for a response ... $ OK Length:

Tags: body rom One add permission level htm BSP parameterCreate database User Add permissions category Detailed Solution Basic syntax Grant permissions on library. Table to ' user ' @ ' host ' identified by ' password '; Example Grant SELECT, insert on test.* to ' liwenkai ' @ ' localhost ' identified by ' 4311 '; Example description Give the Liwenkai user permiss

Physical connection Disk:[Root @ linux117 ~] # Fdisk/dev/sdbc Unable to open/dev/sdbc[Root @ linux117 ~] # More/proc/SCSIAttached Devices:HOST: scsi0 channel: 00 ID: 00 Lun: 00Vendor: VMWare model: Virtual Disk Rev: 1.0Type: Direct-access ansi scsi revision: 02HOST: scsi0 channel: 00 ID: 01 Lun: 00Vendor: VMWare model: Virtual Disk Rev: 1.0Type: Direct-access ansi scsi revision: 02 [Root @ linux117 proc] # cd SCSI[Root @ linux117 SCSI] # lsDevice_info mptspi SCSI SG[Root @ linux117 SCSI] # More

Overview: A test database was built. In order to ensure the data consistency of each test terminal and collect the data of the test terminal in real time, a SQL Server database can be accessed by the extranet.Implementation method: Using the Peanut Shell Intranet version (certification fee of 9 yuan)Problem: After using the default port, it is found that the user name and password of the database are frequently violently tested, and the frequency of 20 times per second is reached.Workaround:1. U

. To help programmers modify existing source code to use the new data type, Microsoft will include some development aids in NT 5.0 Beta 2, including a header file that defines a new data type basetsd.h and a grammar checker. The grammar checker can check for incorrect type conversions, pointer truncation, and other 64-bit related issues in the source program. For example, it would indicate that the following code has a NO. 4311 pointer truncation Warn

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