N times remaining (hdu 3930) and remaining hdu3930Remaining N times (hdu 3930)Task:Given N, a, p, obtain all the solutions (x ^ N) % p = a in the p-mode sense x.Note:Let g be the original root of p, Because p is a prime number, so phi (p) = p-1.From the nature of the original root:If g is the original root of p, then: g ^ I mod p! = G ^ j mod p (p is a prime number), where I! = J and I, j is between 1 and (
Topic let's ask from the interval
[L,H]
Can be selected repeatedly in the
n
Number makes it
g c d =
The number of scenariosThe transformation is the range
[? L k ?,? H k ?]
Can be selected repeatedly in the
n
Number makes it
g c d = 1
The number of scenariosAnd then
F[i]
Said
gcd=i
The number of scenarios, consider removing all the numbers
), there are (r-l+1) species, while there are greatest common divisor are multiples of k*i, we also want to subtract.Get f[i]= (r-l+1) ^n-(r-l+1)-f[k*i*a] (a>=2 k*i*aOutput F[1].But there are special circumstances. is k in [L,r], so this time f[1]++ can.2.mobius InversionThe formula is pretty easy.Mobius Formula derivation: http://lzy-foenix.gitcafe.io/2015/04/09/BZOJ-3930-CQOI2015-%E9%80%89%E6%95%B0/On the derivation of the threshold and μ: http://w
Tags: SP2 upgrade 3930SQL2012 upgrade SP2 installation failed, service could not start, error message is as follows:-------------------------------------------------------error:912, severity:21, State:2.Script level upgrade for database ' master ' failed because upgrade step ' Msdb110_upgrade.sql ' encountered error 3930, State 1, severity 16. This was a serious errorcondition which might interfere with regular operation and the database would betaken
Topic See HTTP://PAN.BAIDU.COM/S/1O6ZAJC2
Also do not know h-l
#include #include #include #include #include mu_sum;
Long Long n,d,l,r;
void Linear_shaker () {int i,j;
Mu[1]=1;
for (i=2;i>=1;
} return re;
} Long Long Solve () {long
The new generation of intelligent optical network as a future transmission network development direction has been recognized by the industry. As a Ciena company with a history of more than 10 years, there are many unique research results and leading technologies in this field. They have more mature ideas in the composition and technology of the new generation of intelligent optical networks. ——— Editor
1. Single-Machine integrated multiple SDH device
When viewing ADDM (database version for Oracle 10.2.0.5.0) report, it was found that one of the conclusions was very unreliable: significant virtual memory paging was detected on the host operating sys TEM, the specific contents are as follows: Finding 2:100% Impact (3930 seconds)
-------------------------------------
Significant virtual memory paging is detected on the host operating system.
Recommendation 1:host Configuration, 100% benefit (
ADDM Reports bug: Significant virtual memory paging was detected on the host operating system, addmpaging
When you view the ADDM report (the database version is ORACLE 10.2.0.5.0), it is very unreliable: Significant virtual memory paging was detected on the host operating system. the details are as follows:
FINDING 2: 100% impact (3930 seconds)
-------------------------------------
Significant virtual memory paging was detected on the host operatin
price reached 4,011 position, the bottom of the lowest in 3906. Yesterday, the asphalt slightly rebound, the above still by the 5th moving average, yesterday, asphalt empty broken 4000 integer pass, 7th, the first recorded the Yang line, the above concern 4,000 position, broken bit can see 4,100 position.On the daily line, MACD on the 0-axis operation, green kinetic energy enhancement, the stochastic index downward, the crude oil pitch is located above the bollinger bands below the rail, the sh
of OpenFlow allow users to verify the effect. Of course, it also allows you to quickly create and introduce new features and functions, and customize the network to meet specific application requirements. For example, you can use OpenFlow to disable unused connections and switch ports to reduce power consumption.
OpenFlow has a large number of supporters. You can see the list of the project's founding development teams at a glance. The founding members were from German Telecom, Facebook, Google
), Smart Optical Network (Intelligent Optical Network), software-based Optical Network (software-based Optical Network) , service-oriented Optical Network (business-oriented optical network) and so on. These meanings actually correspond to different levels of technology. For example, "swap" emphasizes hardware, meaning that network nodes are made up of large capacity, non-blocking and transparent optical cross connection (OXC) devices; "Smart" emphasizes distributed control, including automatic
(Fan Zhongli Nanjing University of Posts and Telecommunications, Nanjing 210003)
A standardized optical control plane is introduced in this paper. The optical control plane is decomposed into a few basic processes such as Neighbor Discovery, service discovery, Connection control and Topology/resource discovery. Different network organization and segmentation result in several different automatic configuration models: Soft persistent link model, user interface model and Peer-to-peer model. Final
crossover products based on Sonet/SDH continued to drop by 2013 in 22% to $0.2 billion.
From these figures, we can see some obvious trends:
G is driving the growth of core network spending and affecting the decision-making process of carrier's core network architecture.
At present, OTN is the clear choice of the carrier's core network, and we believe it will continue in the next five years.
The operator hopes to combine their own otns with the transmission platform. This is also the case in the
controller. In addition, Onos also provides a technical community column to provide more research scholars with a broader platform for communication and sharing.2 Onos Community OverviewOnos's release is an industry feast that gathers well-known service providers (such as T-T, NTT Communications), high-standard network providers (such as Ciena, Ericsson, Fujitsu, Huawei, Intel, NEC), Network operators (such as Internet2, CNIT, create-net), and other
network construction.
Second, IP over optical
Optical interconnection Network (optical internetworking) based on WDM is also called IP optimized interconnection network or IP over optical network. It is the data network, its bottom layer uses the optical transport network as the physical transmission network. In the data network, its components are mainly ATM switches, routers and so on, in the optical transmission network, its components are mainly WDM terminals, optical amplifiers and optic
. In recent years, the new San over CWDM (coarse wavelength division multiplexing) solutions, such as the Ciena CN 2600 products, provide the best transmission performance, but also solve the high cost of DWDM, in the area of storage expansion has been widely used.
SAN over IP solutions enable organizations to leverage their existing virtual private network (VPN) or public Internet delivery storage network business. Due to the high latency caused by
control plane of the GMPLS protocol.
The management plane has the entire network monitoring, the maintenance and the coordination function, the function is similar to the centralized network management of SDH, but the function is more powerful: including the best path calculated by the OCC to modify, the average distribution of traffic on the whole network, the automatic adjustment of end-to-end connection and different attributes of the business choice of different configurations and so on.
2 ... Expression n ", the result returns the value of the expression N;code example :/************************************************************************* > File name:10-comma.m > Author:octopus > Mail:octopus_truth.163.com > Created Time: 12/1 01:57:31 2014 ******************* /#import Execution Result :Octopus-2:oc octopus$ clang-fobjc-arc-framework Foundation 10-comma.m 10-comma.m:13:12:warning:expression result Unus Ed [-wunused-value] int a = (3, 3 > 2);
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