Problem statement:   You have encountered a new fancy online auction that offers lots of products. You are only interested in their price and weight. We shall say that product A is strictly preferred over product B if A costs less than B and is not heavier (they may...

Problem statement:Alfredo Spaghetti really likes soup, especially when it containsalphabet pasta. Every day he constructs a sentence from letters,places the letters into a bowl of broth and enjoys delicious alphabetsoup.Today, after constructing the sentence, Alfredo...

Problem statement: We are starting preparations for Hacker Cup 2013 really early. Our first step is to prepare billboards to advertise the contest. We have text for hundreds of billboards, but we need your help to design them. The billboards are of different sizes...

169 - new friends on Facebook 116 - people in my Google+ circles 54 - Facebook events joined   77 - days spent in London over the summer 29 - days spent at home 4 - kg put on at home   0.16 - thickness of my new Macbook Air in inches (4mm) 10.7 - version of Mac...

I'm sorry, but I don't want to be an emperor. That's not my business. I don't want to rule or conquer anyone. I should like to help everyone if possible; Jew, Gentile, black man, white. We all want to help one another. Human beings are like that. We want to live by each...

Thank you for all the "dings" you have brought to the universe. Thank you for all well designed products that work out of the box. Thank you for delivering revolutionary products time and again, from the original Mac to Pixar movies, iPod, OS X, iPhone, Macbook Air, iPad...

4. I have decided to write a basic tutorial because I have been shocked multiple times in the past few weeks knowing how many large organizations keep their users' passwords. It's easy to assume that website operators would have basic knowledge in computer security, but...

A higher level language than JavaScript. Think about C vs C++. http://jashkenas.github.com/coffee-script/

We always hear that premature optimization is the root of all evil, and that machines are cheap while programmers are expensive. While those are generally true in today's desktop computing environment, it is certainly not true for server applications. Fact: servers are...