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3 votes
2 answers
142 views

Number of possible numbers in roman number string

I just started learning programming a few months ago, and I'm intrigued by Haskell. To learn a bit I tried to adapt some code I have in Java so I can see what are equivalent solutions in Haskell. The ...
Manuel's user avatar
  • 215
7 votes
5 answers
504 views

Pizza Hut math problem #1 in Haskell

I'm currently attempting to learn Haskell after a fair history of imperative programming. When I saw the Pizza Hut Pi Day math problems, I thought the first one would be a good candidate for my ...
user avatar
2 votes
1 answer
106 views

Accessing list elements when counting the number of rectilinear paths

I am trying to solve the RIVALS problem on SPOJ: Starting from (0, 0), how many paths are there to reach point (X, Y), only taking one-unit steps moving to the right or up? Constraints: 0 ≤ X ≤ 106, ...
Lakshman's user avatar
  • 258
5 votes
1 answer
264 views

Project Euler #15 in haskell

I've solved Project Euler #15 in Haskell, but I feel like there might be a better way to express my solution that I'm not seeing. I start out defining my types: ...
Walton Hoops's user avatar
41 votes
1 answer
2k views

Finding minimum scalar product using ST Monad

Inspired by a Stack Overflow question, I decided to practice my Haskell by taking a crack at the Google Code Jam's Minimum Scalar Product problem: Given two vectors \$\mathbf{v_1}=(x_1,x_2,\ldots,...
rampion's user avatar
  • 563