All Questions
Tagged with ruby programming-challenge
78 questions
6
votes
2
answers
434
views
(Codewars) Goldbach's Conjecture (by @rsalgado) in Ruby
Link to kata: linkRank: 6 kyuKata author: @rsalgado
I have been recently learning Ruby-lang and have been attempting to solve the following kata from Codewars involving Goldbach's Conjecture:
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- 619
1
vote
1
answer
107
views
2
votes
2
answers
188
views
Finding minimum steps required to traverse from source to terminal
Hello everyone this is my first post here so please do critique my post if there's anything.
I have made a program intended to pass a programming challenge on open.kattis.com, here.
It should do as ...
- 23
3
votes
1
answer
189
views
Ruby simple interactive interpreter
This is a solution to this problem: https://www.codewars.com/kata/53005a7b26d12be55c000243/train/ruby
The task is to make a simple interpreter that will take expressions and calculate the results. I'...
- 93
3
votes
1
answer
614
views
Mars Rover challenge in Ruby
I have written a simplified version of the Mars Rover challenge in Ruby. Please review it for best coding practices.
A rover’s position and location is represented by a combination of x and y co-...
7
votes
2
answers
929
views
Calculate Hamming distance between DNA sequences in Ruby
I am requesting a review for my solution to this problem from exercism.io. I'm posting it here since there is not always input on solution submitted through exercism.
The problem is as stated:
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- 71
5
votes
1
answer
1k
views
ROT13 cipher challenge (HackerRank)
I just started learning Ruby and thought that this relatively simple HackerRank challenge would be a good opportunity to try to write clean, tested and documented code without getting bogged down in ...
- 20.5k
3
votes
0
answers
232
views
Codingame: Great Escape bot in Ruby - Follow-up
This is a follow-up to Codingame: Great Escape bot in Ruby.
As mentioned there, my first reasonably sized Ruby project is a bot for CodinGame's Great Escape contest (here is a sample gameplay video).
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- 475
6
votes
2
answers
431
views
Codingame: Great Escape bot in Ruby
(EDIT: I incorporated a lot of the feedback from the answers, and posted a follow-up question here: Codingame: Great Escape bot in Ruby - Follow-up)
I started working on some code challenges at ...
- 475
6
votes
3
answers
3k
views
CodeWars kata 'Sum Of Pairs'
I need help in optimizing my code for this challenge. I think my algorithm is fine and I pass all sample tests but get took longer than 12000ms to complete error for final one.
I guess there are a ...
- 161
4
votes
1
answer
151
views
Path Finder Maze
The goal of my code was to find all possible moves from each open position in the maze (@moves_hash), assign it a value for how many moves it would take to get to ...
- 41
4
votes
1
answer
136
views
Brainf**k interpreter in Ruby
I wrote this interpreter for a code challenge. Can this be written any cleaner/smaller? Could I reduce the amount of nested conditional/loops?
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- 205
2
votes
1
answer
403
views
Project Euler #1: multiples of 3 and 5 Ruby
Total newbie here and wouldn't mind learning from Rubyists to look at how I tried to solve this challenge.
I started with 2 variables n which starts at 0 and total which is an array where I intend to ...
- 21
0
votes
1
answer
145
views
Project Euler - #5 smallest multiple (Ruby using a hash table)
Why will this code work for a smaller multiple like 10 but time out for anything over 13? Can this code be revised to work for larger numbers?
(I have an alternate solution but wanted to see if this ...
- 9
6
votes
4
answers
771
views
Ruby solution to Project Euler Problem #4: Largest palindrome product
I've solved the Project Euler Problem #4, but I'd like some tips as to how to make this more efficient. I am a beginner to Ruby, so please be nice about the stupid stuffs (but still tell me about it).
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- 181