This is a pretty cool and interesting question from AMC. There are four lifts in a building. Each makes three stops, which do not have to be on consecutive floors on include the ground floor. For [...]

So I posted up a question titled “AHOY! The Pirate Story Problem” which can be found here. Here is the solution! We begin with a more intuitive idea. Consider only 2 pirates. Pirate 2 [...]

So here is an interesting question. This actually appeared in a job interview at Google too. ðŸ™‚ So give it a shot if you’re keen. There are many ways to solve this, one can solve it [...]