It takes a strong man to save himself, and a great man to save another. 强者自救,圣者渡人. When you are not strong enough to save others, just concentrate on self-improvements and self-promotion. For many of us, the best thing we can do to save others is to…

Those are my principles, and if you don't like them... well, I have others. 那是我的原则,要是你不喜欢......那我还有其他原则. From Groucho Marx. Please hold on to your principles, if you think they are right. But sometimes, you can be more flexible so that you can stick…

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…

Our life is what our thoughts make it. 我们的思想成就了我们的生活. The mind is everything. What you think, you become. And whatever you can do, or whatever you dream you can, begin it, because boldness has genius, power and magic in it. But sometimes, you don't a…

Receive without conceit, release without struggle. 接受时,不狂妄:放手时,不犹豫. How to understand this quote? Doesn't it mean that when we are given some gifts from others, we shouldn't take them for granted, we shouldn't ask for more, when we plan to let someth…

Love is blind, hard to find, difficult to get, and impossible to forget. 爱,很盲目,很难找,很难得,很难忘. It is almost impossible to find love, sincere love if we don't know ourselves, because we may not know who is our Mr. Right among those people me meet in our…

Don't cry for what is lost. Smile for what still remains. 别为失去的哭泣,为还留在你身边的一切微笑吧. I have been told that if crying for missing the sun, we may miss the chance to see the beautiful stars as well. Life would never give us the second time to get something…

Full of luck, health and cheer. We wish you a Happy Chinese New Year! 春节快乐,万事如意! From Shanbay. Today is the Chinese New Year of 2018. Wish every of us a Happy New Year. We will open a new book today, we will forget all our worries today. A new year a…

We are who we choose to be. 要成为怎样的人,选择在于自己. From Barry Manilow. I believe that we are who we choose to be. Nobody is going to come and save us, we have got to save ourselves. Nobody is going to give us anything, we have got to go out and fight for it…

比赛链接:https://www.codechef.com/FEB18,题面和提交记录是公开的,这里就不再贴了 Chef And His Characters 模拟题 Chef And The Patents 模拟题 Permutation and Palindrome 模拟题 Car-pal Tunnel 结论比较简单 Broken Clock 求余弦的n倍角,可以用复数的快速幂解决 $cos(a)=x \\ sin(a)=\sqrt{1-x^2} \\ cos(na) = Re((x+\sq…