, the main problem with the application of the QAM modulation technology to the ADSL access technology is how to adapt to the large performance differences between different telephone lines. To achieve ideal performance, the QAM receiver needs an input signal with the same spectrum and characteristics as the sending end for decoding, the QAM receiver uses an adaptive balancer to compensate for the distortion produced by the signal during transmission. Therefore, the complexity of the ADSL system
Transmission DoorThis problem is the most troublesome to build a map, detailed map of the process hereThe graph is built directly using the Dinic algorithm to find the maximum flow of the line#include #include #include #include #include #define N 1010ConstintINF =0x3f3f3f3f; using namespace Std;intCap[n][n], Level[n], N,m,Q[n], House[n], Last[N];bool BFS (intStintEN) {intRear =0, front =0; Memset (Level,0, sizeof (level)); LEVEL[ST] =1;q[front++]= St; while(Rear intU =q[rear++];if(U = = en)retur
of the answer;2. When initializing SPFA, the DIS array is changed from Max to-1, and the condition of relaxation is changed from dis[i]>dis[j]+cap[i,j] to dis[i]I used the first method here.Code:1 Const2maxn=100000000;3 4 var5Ot,ot1,ne1,cap1,ne,cap,h:Array[0..30000] ofLongint;6Cost,cost1:Array[0..30000,1..2] ofLongint;7G,g1,pre,dis:Array[0..1010] ofLongint;8InqArray[0..1010] ofBoolean;9 E,s,t,c,i,n,m,ans,j
-length sequence in which the elements are of the same type. A multidimensional array can be created simply by using its own array of elements. The elements of the array are indexed using the action symbol [], and the index starts at 0 and ends with Len (array)-1. Arrays are created using the following syntax:
[Length] Type
N Type{value1, value2, ..., Valuen}
[...] Type{value1, value2, ..., Valuen}
If you use the ... (ellipsis) operator, the Go language automatically calculates t
[maxn],eid;intDIS[MAXN];//the shortest distance from node I to meeting point T in residual networkintNUM[MAXN];//the shortest distance to T is equal to the number of nodes of IintCUR[MAXN];//Current Arc subscriptintPRE[MAXN];//The number of the previous arc on an augmented roadstructnode{intV,cap,next;} EDGE[MAXM];voidAddintUintVintcap) {EDGE[EID].V=v; Edge[eid].cap=cap
Dinic's general idea is similar to the EK (in fact, a lot of the general idea of the algorithm is the same), but dinic in each search for augmented road first BFS a bit, to each point plus a grade, and rules: Only the level of two adjacent points can go, So when it comes to DFS, you lose a lot of useless, unnecessary roads.1#include 2#include 3#include 4#include 5#include 6 using namespacestd;7 Const intinf=1000000000, maxn=100000+Ten, maxm=1000000+Ten;8 intTo[maxm],nex[maxm],
Do you know the DOS command parameters? For example, the dos dir command parameters, using dir/p will display a screen of directory information after the pause. These parameters are also called switches. Parameters or switches to users with a lot of flexibility, can adapt to a variety of different needs! Like software, hardware has parameters and switches can be set, hardware settings switch is called "jumper" (Jumper). Proficient in mastering jumper is one of the necessary technology of the mac
Similar to Amarok, but growing faster.
Installation: http://apt.ubuntu.com/p/clementine
#13. Calibre
Manage e-books and read everything.
Installation: http://apt.ubuntu.com/p/calibre
#14. Guake
How can I use the command line in a terminal similar to Quake? One-click wake-up and one-click hide. Supports hotkeys and transparent backgrounds.
Installation: http://apt.ubuntu.com/p/guake
#15. Blender
Edit/create 3D model perfect application suite
Installat
a picture in Gherkin. I got the following picture:It is worth noting that this application makes the image paste on the sphere. This looks good, but now we need to paste it into the surface of a cube, so we have to deal with this picture.3. Convert to cube I will briefly introduce this part. I loaded the photo I just obtained into a 3D modeling software, such as Maya or Blender, and pasted it onto the inner surface of a sphere. Then I created six nor
Background
Shadow is a shadow. It is a dark area generated when the light is blocked by an opaque object. It is opposite to the light source.
There is no shadow during the blender editing process and it can only be displayed after being rendered. Currently, there is a blender-based project that requires shadow to be displayed during editing.Shadow Algorithm
The popular shadow algorithms are Shadow Mapping a
adjustment in the engine (adjust the positions of various images through computer languages ).
So, the first step is to simulate the reality through software-3D Modeling
To do this, you must first sharpen the tool. I want to select 3D modeling software.
After searching through the Internet, I know the following software:
Maya
3 DMAX
Rhino)
Silo
Sketchup Pro (Master sketch)
Blender
And so on ......
After searching for the modeling software for a gam
London and took a picture in Gherkin. I got the following picture:
It is worth noting that this application makes the image paste on the sphere. This looks good, but now we need to paste it into the surface of a cube, so we have to deal with this picture.
3. Convert to cube
I will briefly introduce this part. I loaded the photo I just obtained into a 3D modeling software, such as Maya or Blender, and pasted it onto the inner surface of a sphere. T
Title Link: http://poj.org/problem?id=1459Problem Solving Report:The power dispatching station does not involve the generation and consumption of the flow, regardless of the edmonds-karp algorithm, is to use the remaining network and the augmented path to solve the maximum flow in the network.Principle: The remaining network, is a kind of fallback, constructs after the remaining network, in the remaining network to find an augmented road, wherein the minimum flow, each side plus this minimum flo
Go Internal library function make, which has a signature function:
Func make ([]t, Len, cap) []t
T represents the type of element, the Make function has 3 parameters, the type of t element, Len length, cap capacity (cap optional). When make is called, make assigns an array and returns a slice that is produced from this array. If you do not fill in the
data packets from filling the entire hard disk.The command parameter for saving tcpdump packets to a file is-w xxx. cap.
Capture the eth1 packageTcpdump-I eth1-w/tmp/xxx. cap
Capture the packet of 192.168.1.123Tcpdump-I eth1 host 192.168.1.123-w/tmp/xxx. cap
Capture Port 80 of 192.168.1.123Tcpdump-I eth1 host 192.168.1.123 and port 80-w/tmp/xxx.
is 172.16.1.68 and the destination port is 80.
# Tcpdump-I eth0-vnn 'src host 172.16.1.59 and dst port 22 'or 'src host 172.16.1.68 and dst port 80'
16. Save the captured data packet records to the/tmp/fill file. after capturing 100 data packets, exit the program.
# Tcpdump? I eth0-vnn-w/tmp/fil1-c 100
17. read tcp packets from/tmp/fill records
# Tcpdump? I eth0-vnn-r/tmp/fil1 tcp
18. read data packets containing 172.16.1.58 from/tmp/fill records
# Tcpdump? I eth0-vnn-r/tmp/fil1 host 172.16.1.5
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