Update new NIC driver, fix win7 ralink nic ralink RT3290 blue screen netr28x.sys drive file error when PC sleeps and boot NICMy laptop is win7, ralink Nic Ralink RT3290 802.11bgn Wi-Fi AdapterAfter testing did solve the blue screen problem, download the network card driver here, install the update: NIC driver version:
In ubuntu 10.04, if it is a ralink wireless network adapter, it may be connected to a wireless network that is not encrypted or TKIP, but cannot be connected to a CCMP wireless network. This is because the system's built-in rt2870sta driver has a bug. The system comes with the 2870sta and 3070sta drivers, so there are conflicts during loading. Therefore, you need to add other unused blacklist drivers or simply delete them directly, however, the origin
Contact the Linux SDK more and more, collation, sharing and sharing, do not ask for a comprehensive system, it is enough to help you
Most of the text is the Linux SDK associated with the ap/router SoC solution (one-chip WiFi router solution)
SDK (Software Development Kit) software Development Kit
A collection of development tools used by software engineers to build applications for specific software packages, software frameworks , hardware platforms , operating systems , etc.
Think of the earl
Update the NIC Driver and fix the blue screen netr28x. sys Driver file error when the win7 Ralink RT3290 Nic is sleeping on the computer and when the NIC is started.
Update the NIC Driver and fix the blue screen netr28x. sys driver error when the win7 Ralink RT3290 Nic is sleeping on the computer and when the NIC is started.
My local name is win7, Ralink RT32
-Openwrt wireless drivers use the open-source version wireless.kernel.org, backports.
-We use the open-source qdk version (the wireless driver is transplanted from the ralink driver ).
Summary of various problems encountered during the period:
1. UI problems, no station is displayed, channel cannot be set, encryption is added by ourselves.
2. Due to the ralink driver problem, a dual SSID is created
Source: https://askubuntu.com/questions/253632/how-do-i-get-a-ralink-rt3290-wireless-card-workingSolve for the problem: Linux under the rt3290 drive originally for the Rt2800pci.ko cause network instability, slow speed and other problems. Update to Rt3290sta.ko speed and stability are improved.There is several guides that speak of the same. Guides like this source, this source or the bug report mention some procedures to get this Wireless card working
Address: poj 3070
With this question, I learned to use the matrix's fast power to quickly calculate the Fibonacci number.
According to the previous formula, the number of the 1st columns in the 2nd rows and the 2nd columns in the 1st rows is the nth Fibonacci number. Therefore, you can construct a matrix and evaluate the power.
The Code is as follows:
#include
Poj 3070 Fibonacci (Rapid matrix power)
Http://poj.org/problem? Id = 3070
Calculate the matrix based on this question and use the quick power.
Bare question
#include
Description
In the Fibonacci integer sequence, f0 = 0, F1 = 1, and Fn = FN −1 + FN −2 for n ≥ 2. for example, the first ten terms of the Fibonacci sequence are:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34 ,...
An alternative formula for the Fibonacci sequence is
.
Given an integer N, your goal is to compute the last 4 digits of FN.
I
Topic Portal1 /*2 Matrix Fast Power: To find the Fibonacci number of the nth term, transpose the matrix are given, set a template can be. It's high efficiency.3 */4#include 5#include 6#include 7#include 8 using namespacestd;9 Ten Const intMAXN = 1e3 +Ten; One Const intINF =0x3f3f3f3f; A Const intMOD =10000; - structMat { - intm[2][2]; the }; - - Mat Multi_mod (Mat A, Mat b) { -MAT ret; memset (RET.M,0,sizeof(RET.M)); + for(intI=0; i2; ++i) { - for(intj=0; j2; ++j) { +
Fibonacci
Time limit:1000 ms
Memory limit:65536 K
Total submissions:6881
Accepted:4873
Description
In the Fibonacci integer sequence,F0 = 0,F1 = 1, andFN=FN− 1 +FN−2N≥2. For example, the first ten termsThe maid sequence are:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34 ,...
An alternative formula for the Fibonacci sequence is
.
Given an integerN, Your goal is to compute the last 4 digitsFN.
Input
The input test file will contain multiple test cases. Each test case cons
need to know the FIB (n-1) and fib (n-2), we only need to save the last two Fibonacci numbers when recursionSet f (n) to represent a 1*2 matrix, f (n) = {f (n), F (n+1)}We want to calculate f (n) based on f (n-1) = {f (n-1), f (N)}. We set up a matrix a {0,1},{1,1}, then: F (N) =f (n-1) *a=f (1) *an-1The second side of a, you can use fast power optimization? Simply optimize O (n) to O (23log (n))Code#include #includestring.h>#include#definell Long Longusing namespacestd;Const intMod=10000;intK;
matrix:.SourceStanford Local 2006Test instructions: Solving the problem of Fibonacci series; the key to the first question of the Matrix fast power is that the structure of the matrix is fast power after the structure of the Matrix http://www.cnblogs.com/frog112111/archive/2013/05/19/308 7648.html1#include 2#include 3#include 4#include 5#include 6#include 7 #defineMoD 100008 using namespacestd;9 structMatrixTen { One intm[5][5]; A } ANS,EXM; - - structMatrix Matrix_mulit (structMatrix AA,s
led to the Fibonacci of another representation method (the problem has been given), according to the description, we only require the 2*2 matrix {{1,1},{1,0}}^ n can do it.This leads to a new algorithm: Matrix fast Power (according to the Fast power adaptation, the fast power calculation is the number of the N-square, and this is the matrix of the n-th square).#include #includestring.h>#include#include#include#includeusing namespacestd;Const intn=1e6+Ten;Const intinf=0x3f3f3f3f;Const intMod=1e4
.Matrix high-speed power idea and fast power same#include #include#include#defineMOD 10000using namespacestd;structMatrix {intmat[2][2]; Matrix () {//constructor with the same name as the struct if the writing init () function is to be calledMemset (Mat,0,sizeof(MAT)); }};matrix mul (Matrix A, Matrix B) {matrix C; for(intI=0; i1; i++) { for(intj=0; j1; j + +) { for(intk=0; k1; k++) {C.mat[i][j]= (C.mat[i][j]+a.mat[i][k]*b.mat[k][j])%MOD; } } } returnC;} Matri
Fibonacci
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 9769
Accepted: 6959
DescriptionIn the Fibonacci integer sequence, f0 = 0, f1 = 1, and fn = fn ? 1 + Fn ? 2 for n ≥2. For example, the first ten terms of the Fibonacci sequence is:0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...An alternative formula for the Fibonacci sequence is.Given an integer n, your goal was to compute the last 4 digits of Fn.InputThe input test file would
FibonacciTime limit:MS Memory Limit:65536KB 64bit IO Format:%i64d %i64u SubmitStatusPracticePOJ 3070Appoint Description:System Crawler (2015-02-28)DescriptionIn the Fibonacci integer sequence, f0 = 0, f1 = 1, and fn = fn ? 1 + Fn ? 2 for n ≥2. For example, the first ten terms of the Fibonacci sequence is:0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...An alternative formula for the Fibonacci sequence is.Given an integer n, your goal was to compute the last 4 digits of Fn.InputThe input test file would cont
Fibonacci
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 11123
Accepted: 7913
DescriptionIn the Fibonacci integer sequence, f0 = 0, f1 = 1, and fn = fn ? 1 + Fn ? 2 for n ≥2. For example, the first ten terms of the Fibonacci sequence is:0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...An alternative formula for the Fibonacci sequence is.Given an integer n, your goal was to compute the last 4 digits of Fn.InputThe input test file woul
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