CARVIEW |
Select Language
HTTP/2 200
date: Tue, 22 Jul 2025 22:53:33 GMT
content-type: text/html; charset=utf-8
cf-ray: 963683ca19815917-BLR
cf-cache-status: DYNAMIC
cache-control: private
set-cookie: prov=63eadc01-e83a-46c6-89e1-ef31366c5153; expires=Wed, 22 Jul 2026 22:53:33 GMT; domain=.stackexchange.com; path=/; secure; httponly
strict-transport-security: max-age=31536000; includeSubDomains
vary: Accept-Encoding
content-security-policy: upgrade-insecure-requests; frame-ancestors 'self' https://stackexchange.com
x-frame-options: SAMEORIGIN
x-request-guid: 794214ad-b8c5-4f68-8a43-79d2d3844d01
x-worker-origin-response-time: 548000000
x-dns-prefetch-control: off
set-cookie: prov=63eadc01-e83a-46c6-89e1-ef31366c5153; Path=/; HttpOnly; Domain=stackexchange.com
set-cookie: __cf_bm=e_C5uOorXomI.wgQnjsVTtN4ogjCgINnMpI59bRSlRQ-1753224813-1.0.1.1-D.0hyDxBJzdv1b8eiecE3yHUbR1.fzjSX8YyZUUMB5oYBLtR5aiJbDxgx4.MMUeXb.qfAvxwbjt2tmwCde2BxUb4k.jTkQZKu47L1Wp_QVc; path=/; expires=Tue, 22-Jul-25 23:23:33 GMT; domain=.stackexchange.com; HttpOnly; Secure; SameSite=None
set-cookie: _cfuvid=gGbsfLUHxPkmywLjrKgDZSHRhahpJc.9cDCbsPmY_rs-1753224813689-0.0.1.1-604800000; path=/; domain=.stackexchange.com; HttpOnly; Secure; SameSite=None
server: cloudflare
content-encoding: gzip
Newest 'programming-challenge' Questions - Code Review Stack Exchange
Skip to main content
Stack Exchange Network
Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Visit Stack ExchangeTeams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Learn more about TeamsQuestions tagged [programming-challenge]
Use this tag when the code is a solution to a programming challenge. Always include a sufficient description of the problem to be solved - while a link to the challenge is welcome, the review request needs to be complete when the challenge site is unavailable.
3,305 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
3
votes
2
answers
134
views
Third way to place queens and rooks with the higher score (extension of the queen problem)
Here is a third implementation, the second is in my question Place queens and rooks with the higher score (extension of the queen problem) and an initial one is in my answer for the question N queen ...
4
votes
1
answer
133
views
Place queens and rooks with the higher score (extension of the queen problem)
This is a continuation of the question N queen problem-like (+rooks and a different goal) written by someone else, where I answered.
EDIT I continued to work on the subject and a third implementation ...
-4
votes
0
answers
115
views
LeetCode Problem: Find the Original Typed String II
LeetCode Problem:
Alice is attempting to type a specific string on her computer.
However, she tends to be clumsy and may press a key for too long,
resulting in a character being typed multiple times.
...
5
votes
3
answers
1k
views
Project Euler Problem #1: Multiples of 3 or 5
Project Euler Problem #1
Multiples of 3 or 5 states:
If we list all the natural numbers below 10 that are multiples of 3 or
5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
Find the sum of ...
6
votes
2
answers
427
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:
...
6
votes
2
answers
690
views
Weather Observation Station 8 query
Here's my (correct) solution to a HackerRank question:
Weather Observation Station 8
Query the list of CITY names from STATION which have vowels (i.e., a, e, i, o, and u) as both their first and last ...
6
votes
1
answer
564
views
Substring = Permutation of a given pattern
I am working on a problem on LeetCode.
Considering only lowercase characters from 'a' to 'z', I have written some Java code to check if a permutation of a given pattern is a substring of a given ...
1
vote
1
answer
154
views
FreeCodeCamp todo list
I'm writing JS for the FreeCodeCamp todo list; the corresponding HTML and CSS for this can be found on their page. I have made one edit to the HTML - the button with type "submit" has been ...
4
votes
1
answer
107
views
Efficient way to win points in chocolate bowl game
I'm working on an optimization problem involving a turn-based chocolate-sharing game, and I need help optimizing my current brute-force solution.
Problem Description:
You and your friend take turns ...
7
votes
1
answer
96
views
.net core web API simple app with one endpoint
I am trying to complete a challenge - a simple .net core API with one simple endpoint. This endpoint should validate the user's information
and return a unique ID. He should provide: 1) Name, 2) ...
5
votes
2
answers
192
views
LeetCode Number 416: Partition Equal Subset Sum
Problem: MLE
I am confused as to why the LeetCode judge reports Memory Limit Exceeded when my solution looks close to the editorial solution. I not too familiar with ...
7
votes
4
answers
960
views
Project Euler #54: class for poker hands
I'm working right now on Project Euler problem 54, and I figured that this was the perfect opportunity to try to work with classes. This is my first time, so I'm sure that there are a lot of style, ...
7
votes
5
answers
2k
views
Solving an easy LeetCode "Merge Strings Alternately"
I am a C++ dev trying to solve problems in C to practice it, specifically the LeetCode Merge Strings Alternately problem:
You are given two strings word1 and word2. Merge the strings by adding ...
6
votes
2
answers
255
views
(HackerRank) Project Euler+ #250: 250250
Link to problem: linkNumber of solvers: 27 out of 844Solve rate (per person): 3.199%Success rate (over all submissions): 1.78%
Project Euler+ on HackerRank is basically supposed to be a generalization ...
5
votes
3
answers
988
views
LeetCode 678: Valid Parenthesis String, Recursion memoization to DP
How can the following recursion + memoization code be converted into a tabulation format dynamic programming solution?
The code is working, but I want to improve it.
The challenge I am facing is ...
- The Overflow Blog
-
-
- Featured on Meta
-
-
Related Tags
python × 1006
algorithm × 653
java × 622
performance × 564
time-limit-exceeded × 513
c++ × 483
python-3.x × 447
beginner × 424
c# × 291
javascript × 288
strings × 217
primes × 165
c × 157
functional-programming × 107
array × 105
haskell × 96
interview-questions × 93
python-2.x × 92
dynamic-programming × 86
recursion × 77
ruby × 76
object-oriented × 75
palindrome × 75
combinatorics × 70
optimization × 67
more related tags
Hot Network Questions
- Probability of making a Tower with exactly two different colors
- What is this smd component that all in white?
- Can I mount my PC with a desktop mount underneath a particle board Ikea Karlby Walnut top?
- Prevent equation label from shifting down
- Why is `&self` allowed in the parameters of `&mut self` methods, but not `&mut self`?
- a stray не in this sentence?
- A word that describes some people
- Manga/manhwa where protagonist is the only one summoned to a different other world
- Was the double prehung exterior door on my shed installed backwards?
- effectivenes of bear horn vs bear spray
- Distribution of a dot product of multinomial variables
- Drug that makes the mind a million times faster
- What does this "lightbulb-ish" symbol mean in figure 1 of the Diffie Hellmann paper?
- How can I grow kelp or seaweed at home in a small container?
- Issue with OR operator in QGIS Rule-Based Labelling expression
- Ubuntu gives the message "You are in emergency mode."
- What are these pastries pictured in the "Austria" article in the World Book Encyclopedia?
- Is a diet of one third Tuna ok for cat
- How to run CorePipeline.Run("contentSearch.PopulateSolrSchema", args); outside of regular sitecore environment
- How do I 'Inset' across multiple faces?
- Not sure which test statistic to look at with regression with interaction term
- How to 'scale' a square list?
- Multilingual entries in biblatex throw errors after using \selectlanguage{} from babel
- Differential amplifier layout: closer to MCU or target?