Pleasure in the job puts perfection in the work. 乐于工作才能有完美表现. From Aristole. Do you want promotion? Do you want to get some raise in paycheck? If you want, you should improve your performace in your work, make it perfect, or at least put it at a leve…

Soon is not as good as now. 别谈未来,现在就行动. From Seth Godin. I always told myself that I should finish what I should do as soon as possible, but the ending might be always the same: The things were finished just before the deadlines with poor quality. An…

Life has no limitations, except the ones you make. 生命无限,除非你自我设限. From Les Brown. There would be no limitation if we can set the right goals and go all out for them. Right goals? Yes, frankly speaking, I want to single out that setting right or suitab…

And if you really want to see what people are, all you have to do is to look. 想真正了解他人,只需要用心看. From Wonder. At least once in our life someone would do something that make us say: Why did they do that? How could they do that? Why did they make such stu…

I don't know anything with certainty, but seeing the stars makes me dream. 我不知道世间有什么事是确定不变的,但只要一看到星空,我就会开始做梦. From Loving Vincent. By comparison with uncertainty, I like certainty better, but I know life is always changing, the world is always changi…

Bad times make a good man. 艰难困苦出能人. Bad times make a good man, and hard times create strong men, but sometimes strong men did not bring good times. There is an argument that hard times require a strong man, that humans need leaders of confidence and…

Empty your cup so that it may be filled. 清空杯子,方能再次装满. From Bruce Lee. We can't learn anything new if we already feel that we know. Please stay humble, please open ourselves to new ideas, and be willing to change our preconceptions. But it is difficul…

Knowledge is the antidote to fear. 知识可以解除恐惧. Fear always steps from unknown things. Once we know what those things are, what lies behind the seemingly fearful appearance, we will successfully remove our fears. With knowledge, we even have the ability…

No man can make a good coat with bad cloth. 巧妇难为无米之炊. One can't make bricks without straw. There is no building built without foundations. That is the same to our life, if we want to realize our dreams, we must prepare a lot to abtain a solid foundat…

People love what other people are passionate about. 人总是会爱上别人倾注热情的事物. From La La Land. This quote has reminded me something I had experienced in job interview. As a delegator of the employer, I have asked the interviewees some questions about what are…

摘要:Seclists.Org: 微信支付SDK存在XXE漏洞:WordPress 4.9.6存在文件删除漏洞:linux中常用的文件打包/解包与压缩/解压缩命令总结… 安全播报 Seclists.Org: 微信支付SDK存在XXE漏洞 为了商家可以接受异步支付的结果,微信无意中在Java版本的SDK中造成了XXE漏洞.通过利用该漏洞,攻击者可以构造恶意的XML格式的CallBack回调数据窃取商家服务器上的信息,而从这些信息中,攻击者可能获取到十分关键的MD5安全密钥从而实现无需付款即购买商品…

Winning isn't everything, but wanting it is. 胜利并不能代表一切,但求胜心可以. From Arnold Palmer. Compared to this quote, I believe that the quote from Vince Lombardi would be more famous, it goes as following: Winning isn't everything, it is the only thing. But is…

Happiness is an inside job. 自内寻找,才能找到幸福. From William Arthur Ward. Nobody wants to suffer, and we all want to live a happy life. We are eager to be happy and we are constantly striving to pursue happiness. But in the process of cultivating happiness,…

Make each day your masterpiece. 让生命中的每一天都成为杰作. From John Wooden. Try to focus on what we are doing right now and try the best of our abilities to make the results as perfect as possible. And we must recogize that nothing can be done about what had ha…

It is during our darkest moments that we must focus to see the light. 越是在艰难的时候就越要着眼于光明. From Aristole Onassis. When we feel the darkness presses in our life, we should trust ourselves to find the light, because it is during the darkest moments that w…

You cannot change the circumstances but you can change yourself. 既然改变不了环境,那就改变自己. From Jim Rohn. Recently I am getting more and more dissatisfied with the allocation of resources in my department. It seems there are huge differences about the goals o…

传送门 首先(想了很久之后)注意到一个性质:同一条边有多种颜色的话保留3种就可以了,这是因为假如最优解要求当前位置与相邻两条边都不相同,那么只要有3条边,就肯定可以满足这一点. 完事就做一个nlogn*3^4的倍增dp就行了……实际肯定是跑不满的(而且cc机子快). #include<cstdio> #include<cstring> #include<algorithm> #define MN 510000 using namespace std; ],_F[MN][…

传送门 好久没写题解了,就过来水两篇. 对于每一个人,考虑一个序列$A$,$A_I$表示当k取值为 i 时的答案. 如果说有两个人,我们可以把$(A+B)^k$二项式展开,这样就发现把两个人合并起来的操作就是一次卷积,直接NTT就可以了. 同类人有多个,直接暴力肯定是不行的.快速幂的话不知道会不会T,我是用了多项式取ln和exp(拉板子). #include<cmath> #include<cstdio> #include<cstring> #include<al…

Summertime is always the best of what might be. 万物最美的一面,总在夏季展现. From Charles Bowden. It was June, and the world smelled of roses. The sunshine was like powdered gold over the grassy hillside. It was a song, it was a season. And I wondered if that sea…

Good friends, good books, and a sleepy conscience: this is the ideal life. 拥有益友.良书和一颗宁静的内心:这就是理想的生活. From Mark Twain. An ideal day comes in a variety of ways. Today is one of the odd ones, it is cool and comfortable. In the morning I went to the hosp…

Half is worse than none at all. 一知半解比一无所知更痛苦. From Westworld. If we go looking for the truth, get the whole thing, for half is worse than none at all. How to understand it? If half is really worse than none at all, how about stopping pursuing things…

The good seaman is known in bad weather. 惊涛骇浪,方显英雄本色. As we all know, the true worth of a person is only really apparent when difficult times stretch the  to the limit. Hard times bring forth heroes and heroes end hard times. So, if you think yoursel…

Man errs so long as he strives. 失误是进取的代价. It is not important that the man in the arena didn't win, it is that he is in the arena. Actually, only a few people can win at anything, especially the first time. Failure is an important part of learning, a…

Easy come, easy go. 易得则易失. Easy come, easy go, I finally undestand the phrase through somewhat hard way. Things were going so well for a moment, I was so confident that it would last forever, but it seemed my fate had quite the opposite in mind. Ever…

Fortune favors the bold. 勇者天佑. It has been increasingly apparent that courage is the main quality we need to start our own business, it can't make one rich being an ordinary employee. Every day, every moment, millions of people dream of starting a bu…

Let bygones be bygones. 过去的就让它过去吧. What happened has happened, it cannot be undone, so just leave it in the way it si, and think of the way out or ways to make things better. To forgive and to forget, that can be very challenging in practice, but lea…

Confine yourself to the present. 着眼当下. The morning wind spreads its fresh smell, we should get up and take that in, that wind lets us live, breathe, before it's gone. Sometimes we got stuck in the past, and sometimes we only live for the future, but…

Every orientation presupposes a disorientation. 迷失过方向,才能找到方向. Not until we are lost do we begin to understand ourselves. By Henry David Thoreau. Sometimes it seems everything about my future was ambiguously assumed. Graduated from college with ugly a…

When you fall in love, friends, let yourself fall. 当你坠入爱河,我的朋友,你就放手去爱吧. To love someone is like moving into a new house. At first we will fall in love in everything new, we wonder every morning that this is our own, as if they are afraid that someone…

The world is a fine place, and worth fighting for. 这世界是个好地方,值得为之奋斗. The world is beautiful, there are so many wonderful things we should defend against any wrongdoing that would undermine them. And there are so many people we love and we are willing…