greenmangaming for honor

;Set ASo we only need to enumerate each prime, each number (here can be used to maintain the prefix of N, recorded as F[n]) to solve the ans=σf[n/prime[i]]*2-1 (consider a>b, and subtract values such as ().#include Const intmaxn=10000010;BOOLPD[MAXN];Long LongPhi[maxn],prime[maxn],top,n,ans;voidES () { for(intI=2; i){ if(!Pd[i]) {prime[++top]=i; Phi[i]=i-1; } for(intj=1; j) {Pd[prime[j]*i]=1; if(i%prime[j]==0) {Phi[prime[j]*i]=phi[i]*Prime[j]; Break; } Phi[prime[j]*i]=phi[i]* (pr

python for so many years, after learning and understanding President Hu's Eight Honors, he asked himself: We are proud of our hands-on practices, and we are ashamed to read and not practice. We are proud to print logs, and we are ashamed to follow one step. We are proud to indent spaces and tabulation. We are proud to be proud of unit testing, shame on human testing; shame on module reuse, shame on copy and paste; pride on multi-State applications, shame on Branch judgment; pride on Pythonic,

, it seems that I am always unable to raise my mind, every second day, I forget what I thought the previous day. What I like more is to let it go. Those who have fate with me encounter in the boundless margin and then bring them to the other side for growth. I prefer to use agile individuals as a carrier of my hobbies and good teachers. Maybe as a teacher, I should not make money to make myself happier. Of course, wealth is a good thing. I have made some e-books, practice groups, and annual paym

never experienced it. With our invincible father of Party A, even if we build a car, they may use it as a table tennis table. 4.3 'complaint 'Party A's father It turns out that we hate not bugs, but Party A's father... the struggle between us and them has never stopped... Party A's mantra: Maybe their daily work is fun... training programmers... Haha, of course, I have never really understood it .! V. End 5.1 off-duty time It's time to get off work. So much more tonight. It's just a fart

The upper triangle line is exactly the Euler function of [1,n-1]Http://www.luogu.org/problem/show?pid=2158#sub1 //#pragma COMMENT (linker, "/stack:167772160")2#include 3#include 4#include 5#include 6#include 7#include 8#include 9#include Set>Ten#include One#include A#include -#include - //#include the using namespacestd; - #defineCLC (A, B) memset (A,b,sizeof (a)) - #defineLL Long Long - voidfre () { +Freopen ("In.txt","R", stdin); - } + Const intINF =0x3f3f3f3f; A #defineEPS 1e-8 at //cons

See this forum, suddenly think of not graduating from their own, to see the familiar big data, cloud computing, C++,java, suddenly think of the ambition of their own after graduation.Work for nearly 3 months, think of has been left behind the original intention, feel good sorry to go to school when the self. After work, daily muddle, busy, but also do not know what they learned.Standing in front of the mirror, looking at themselves, suddenly feel that they are old, the new things can not interes

Effect:I did not make folders to save, because the skin and heroes are one by one correspondence, this looks more convenient to operate.After the download of the skin, a JSON file is automatically downloaded from the website, so a new hero, new skin software will be updated automatically. HighBut there are some new skin official website also did not provide data, find new skins to download the selection, click Shadow hide the skin to get the button to enter the hero name, and then click the hidd

The argument about other sub-topics won't be commented. It doesn't matter what it means to be proficient, what it means, what WPS has to do with office, what MFC in office, and what interview questions it has to do. In fact, it is a problem. Although we are a top professional in software development, we have also produced proud software, but both in quantity and in profits, compared with Europe and the United States, they have been behind for more than ten years.This is beyond doubt! So what i

We have the honor to attend the "Group's 2016 Industrial Division Development Planning Meeting" and report to the netizens !!!, 2016 Business Unit We have the honor to attend the 2016 industrial division development planning meeting of the group, with participants from Headquarters, subsidiaries, experts and partners. Despite being an observer, I have a clear understanding of the overall planning of the com

As a member of a team, we need to put the honor and disgrace of the entire team first. This seems to be a manifestation of the spirit of collectivism, which is incompatible with the more popular personal-centered Thinking. However, only by putting the interests of the entire team at the top can the team develop and progress. The development and progress of the Team will certainly benefit every member. Here I would like to talk about a very typical

I accidentally received the top 10 Certificate of honor from csdn !! I accidentally received the top 10 teachers' honor certificates issued by the csdn student base camp. In fact, I was surprised to use the word "accident" because: First of all, I don't know about this selection activity, second, I did not expect such a netizen's "Force top ". Sincere and fearful ...... Here, I would like to say thank yo

Huawei honor 3X Android4.2 privilege escalation and phone call Vulnerability This mobile phone call app can be used to raise the right to call the phone, causing the user to deduct the feeCom. android. phone. PhoneGlobals $ NotificationBroadcastReceiver component exposed, allowing third-party apps to directly make calls without the call permission, which can be exploited to harm users' interests Intent intent = new Intent (); intent. setComponent (n

from various IT companies and management consulting companies who have served in SAP, Infor and BearingPoint, and has accumulated a large number of customer bases, good market channels and professional services, in the implementation of NetSuite products, We have extensive experience in localization, two times development and training.Hitpoint provides perfect adaptation to China's local solutions, combined with a number of cases summed up the professional implementation methodology, to help cu

Euler sieve template problem#include This is OK ~ ~ ~"Bzoj 2190" "Sdoi 2008" guard of Honor Euler sieve

sold to Guangong, but inadvertently lost the sale of the map silver, guangong father Zhang Ge Ishigawa returned to Wang, after home was daughter-in-law Zhao drove out of the door, but was Guangong with Zhao's thousands of miles seek father, father did not find, Zhao but carry guangong will longevity map cheap sold to stone silly ... Pedestrians and other noisy to the court, did not expect the Master is the year of the scholar to sell the longevity map Wang Yi. The drama plot twists and turns, i

"Topic link"http://www.lydsy.com/JudgeOnline/problem.php?id=2190Test instructionsN*n Square, the number of squares that can be seen in the (0,0) lattice.IdeasPreprocessing the Euler function.(x, y) the =1,1Of course, you can use Möbius inversion, too lazy to write (? ￣ ￣)?Code1#include 2#include 3#include 4 using namespacestd;5 6 Const intN = 5e4+Ten;7 8 intN;9 intPhi[n];Ten One voidGet_phi (intN) A { -phi[1]=1; - for(intI=2; iif(!Phi[i]) the { - for(intj=i;ji) - { -

1#include 2#include 3#include 4 #defineM 400055 using namespacestd;6 intAns,n,phi[m],q[m],tot,f[m];7 intMain ()8 {9scanf"%d",n);Tenphi[1]=1; One for(intI=2; i) A { - if(!F[i]) - { thetot++; -q[tot]=i; -phi[i]=i-1; - } + for(intj=1; j) - { + if(q[j]*i>N) A Break; atf[q[j]*i]=1; - if(i%Q[j]) -phi[i*q[j]]=phi[i]* (q[j]-1); - Else -phi[i*q[j]]=phi[i]*Q[j]; - } in } - fo

Title Effect: There is a grid component diagram, assuming that three people in a straight line, then the first person will not see a third person. Now, there is a man standing in the. I asked him if he could see the matrix of the number of n*n.Think: If you want to stand (in the first place) This man sees a position (x, y) of a person. GCD (x, y) = = 1, which is a classic model, only requires a PHI within N and is able to.The method is linear sieve.CODE:#include Copyright notice: This article B

Arithmetical...The answer is the sum of the first n-1 Euler functions and then *2+1#include BZOJ-2190 [SDOI2008] honor Guard

Topic type: The inverse of the colorimetric/Euler function??Portal:>here Test instructions: There is a \ (n*n\) Square, ask the lower left corner of the person can see a few people? (Light travels along a straight line) Thinking of solving problemsConsider when a person will not be invisible? That's when the other line of sight coincides. And because the other end of the line segment is deterministic, the lines of sight coincide and only ifThe slope is the same.So the question is a