4
votes
2answers
523 views

using markov chains to solve a project-euler problem?

I never learned what markov chain is, but from googling it seems like if there are finite states and each state has probabilities to jump to other states, I can use markov chain. What I'm on is ...
2
votes
1answer
749 views

Project Euler Problem 371

Project Euler Problem 371 states Oregon licence plates consist of three letters followed by a three digit number (each digit can be from [0..9]). While driving to work Seth plays the following ...
4
votes
4answers
525 views

Flaw in expected value solving logic (Project Euler 323)

The problem statement for Project Euler #323 is as follows: Let $y_0, y_1, y_2, ...$ be a sequence of random unsigned 32 bit integers (i.e. $0 \leq y_i < 2^{32}$, every value equally likely). ...
2
votes
1answer
350 views

How is this probability found (project euler #121)?

In the problem statement of project Euler problem 121, the following information is given: A pouch contains one black chip and one white chip. In a simple game, one player takes a chip at random and ...