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off, off1, off2, noffset;Long I, j, M, N;Double an, svx, svy;Double dx0, dy0, dx1, dy1, ZZ; An = angle * PI/180.0;VCOs = cos (an); vsin = sin (); // Coordinates of the four corners of the source image (using the image center as the coordinate system origin)Float fsrcx1, fsrcy1, fsrcx2, fsrcy2, fsrcx3, fsrcy3, fsrcx4, fsrcy4;// Coordinates of the four angles after rotation (using the image center as the coordinate system origin)Float fdstx1, fdsty1, f

, Cy, VX, Vy, cntx, cnty;Long off, off1, off2, noffset;Long I, j, M, N;Double an, svx, svy;Double dx0, dy0, dx1, dy1, ZZ; An = angle * PI/180.0;VCOs = cos (an); vsin = sin (); // Coordinates of the four corners of the source image (using the image center as the coordinate system origin)Float fsrcx1, fsrcy1, fsrcx2, fsrcy2, fsrcx3, fsrcy3, fsrcx4, fsrcy4;// Coordinates of the four angles after rotation (using the image center as the coordinate system o

]))assertSum_almost_equal (U1.weights, Np.array ([2.990752,-2.018496,0.972257])) U2=Sigmoid (weights=[0,3,-1]) U2.update (Np.array ([[-3,-1,2],[2,1,2]]), Np.array ([1,0]))assertSum_almost_equal (U2.weights, Np.array ([-0.030739,2.984961,-1.027437]))if __name__ == "__main__": Test ()OUTPUTRunning Test () ... dx0. 104993585404:d elta_w:[-0.0092478 -0.01849561 -0.02774341] Weight before [3,-2,1]delta_w:[-0.0092478 -0.01849561 -0.02774341] weight after

* ay2az = u1 * az0 + u2 * az1 + u3 * az2bx = u1 * bx0 + u2 * bx1 + u3 * bx2by = u1 * by0 + u2 * by1 + u3 * by2bz = u1 * bz0 + u2 * bz1 + u3 * bz2cx = u1 * cx0 + u2 * cx1 + u3 * cx2cy = u1 * cy0 + u2 * cy1 + u3 * cy2cz = u1 * cz0 + u2 * cz1 + u3 * cz2 v1 = (1-v) * (1-v) v2 = 2 * (1-v) * v v3 = v * v x = v1 * ax + v2 * bx + v3 * cxy = v1 * ay + v2 * by + v3 * cyz = v1 * az + v2 * bz + v3 * cz u = u * 10 v = v * 10 copy the code three times to the besell surface: you need to generate 4*4 control v

It is known that the two endpoints of a line segment are a (x1, Y1), B (X2, Y2), and the two endpoints of the other line segment are C (X3, Y3), D (X4, y4), to determine whether there is a point between AB and Cd, if any.First Judge d = (y2-y1) (x4-x3)-(y4-y3) (x2-x1 ),If D = 0, the line AB and Cd are parallel or overlapped,If D! = 0, the line AB and CD have the intersection, and the intersection (x0, y0) is:X0 = [(x2-x1) * (x4-x3) * (y3-y1) + (y2-y1) * (x4-x3) * x1-(y4-y3) * (x2-x1) * X3]/

][r1][c1]=1; - for(intI=1; i for(intj=1; j for(intk=1; kif(Map[j][k]) for(intq=0;q4; q++){ - intdx=j+go[q][0],dy=k+go[q][1]; + if(dx0|| dx>n| | dy0|| dy>m| |! f[i-1][dx][dy])Continue; -f[i][j][k]+=f[i-1][dx][dy]; + } Aprintf"%d\n", F[T][R2][C2]); at return 0; -}View Code 1616: [Usaco2008 mar]cow travelling wandering cows time limit:5 Sec Memory limit:64 MBsubmit:1060 solved:584[Submit] [Status] [Discuss] D

the data, in order to enhance the data anti-jamming ability and increase the transmission length, usually converts the Ttl/cmos logic level to the RS-232 logic level, views the schematic diagram to know mini210s uses the MAX3232SOP chip, The TX0 and DX0 are used:Search "XuTXD0", you know:By setting the UART-related registers, we can drive the UART to work to send and receive characters.Example:/main.c/int main (){char c;Uart_init (); Initialize the s

group gpasswd -- create a group password. Each group can have a group password and group administrator. Use parameter-A to specify A user as the group administrator. Useradd-G -- Parameter-G add the user to a group usermod-G when creating the user -- allow you to add an offline user to the group grpck -- check the/etc/group file, to prevent spelling mistakes, the following is a simple example to illustrate how to use the group management command line tool. There is now a DVD-RW device (/dev/

-- creates a group name or GID, but does not add or delete members in the group. Gpasswd -- create a group password. Each group can have a group password and group administrator. Use parameter-A to specify A user as the Group Administrator. Useradd-G -- Parameter-G: add the user to a group when creating a user. Usermod-G -- allow you to add an offline user to the group Grpck -- check the/etc/group file to prevent spelling errors The following is a simple example to illustrate how to use the gro

0000000000000000 Sample output 5 990 Tips 11100000 Source eighth session of Henan Province Program design Competition Direct DFS violence can be.1 #pragmaComment (linker, "/stack:1024000000,1024000000")2#include 3#include 4#include 5#include 6#include 7#include 8#include 9#include Set>Ten#include One#include A#include -#include - using na

the if((ABS (X2-K) +abs (y2-l))%2! = (T-TC)%2)return; - for(i=0;i4; i++) - { - intdx=k+Dix[i]; + intdy=l+Diy[i]; - if(dx>=0 dx0 dy'X') + { Astr[dx][dy]='X'; atDFS (dx,dy,tc+1); -str[dx][dy]='.'; - } - } - } - intMain () in { - while(SCANF (" %d%d%d",n,m,t)) to { + GetChar (); - if(n==0m==0t==0) the Break; *num=0; $flag=false;Panax Notoginseng for(i=0; i) -

; - for(inti =0; i8; i+=2){ in intsum=0, loc=-1; - for(intJ=i; j3; J + +){ to intDX = xx +Tx[j]; + intDy = yy +Ty[j]; - if(dx0|| Dx>=n | | dy>=m| | dy0) thesum=4; * if(ma[dx][dy]=='*') $sum++,loc=dx*m+dy;Panax Notoginseng if(sum>1) Break; - } the if(sum==1){ +ma[loc/m][loc%m]='.

Topic linksViolence DFS of course notSo iterate and deepen it. ida*1#include 2#include 3#include 4 using namespacestd;5 intTt,k,flag;6 intans[5][5]=7 {8{1,1,1,1,1},9{0,1,1,1,1},Ten{0,0,2,1,1}, One{0,0,0,0,1}, A{0,0,0,0,0} - }; - intxx[8]={1,1,-1,-1,2,2,-2,-2},yy[8]={2,-2,2,-2,1,-1,1,-1}; the intPD1 (inta[5][5]) - { - for(intI=0;i5; i++) - for(intj=0;j5; j + +) + if(Ans[i][j]!=a[i][j])return 0; - return 1; + } A intPD2 (inta[5][5],ints) at { - intv=0; - for(i

=x+dir[i][0]; +dy=y+dir[i][1]; - if(dx0|| Dx>=m | | dy0|| Dy>=n)//determine if the inside of the grid + { A Continue; at } - if(map[dx][dy]=='@')//If the point can be extended, recursion - { - DFS (dx,dy); - } - } in } - to intMain () + { - intsum; the while(cin>>m>>N) * { $Cin.Get();//!!!!!!!!!!!!!!!! Panax Notoginseng if(m==0) Break; - the for(intI=0; i)

0x3f3f3f3f8 9 using namespacestd;Ten One intRow,col; A intarr[ -][ -]; - intflip[ -][ -],ans[ -][ -]; - intdir[5][2] = { the 0,0,0,1,0,-1, -1,0,1,0 - }; - - int Get(intXinty) { + intc = arr[x+1][y+1]; - for(inti =0;i5; i++) { + intDX = x + dir[i][0]; A intDy = y + dir[i][1]; at if(DX >=0 Dx0 dyCol) { -c+=Flip[dx][dy]; - } - } - returnc1;//with flip state, if odd return 1 - } in - intCalc () { t

-- check the/etc/group file, to prevent spelling mistakes, the following is a simple example to illustrate how to use the group management command line tool. There is now a DVD-RW device (/dev/dx0) that the system administrator wants to give regular users access to this device sunny. You can take the following steps: 1) Use the groupadd command to create a group dvdrwsudo groupadd dvdrw 2) use the chgrp command to DVD-RW the device (/dev/bq0) change