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Programming Diversions
Programming puzzles, challenges, interview questions, and similar fun.
A place for programming puzzles, challenges, interview questions, and similar fun.
Welcome!
Best this year
[Java puzzle] I don't feel like myself
29 replies
2
Another Graph algorithm puzzle
14 replies
3
[SPOILER ALERT] Advent of Code: Day 6 solutions
18 replies
Advent Of Code 2023
6 replies
[SPOILER ALERT] Advent of Code: Day 7 solutions
4 replies
Programming Diversions
Count unique substrings in a string
8 replies
Unanswerable puzzle?
7 replies
[SPOILER ALERT] Advent of Code 2022: Day 3 solutions
5 replies
Is this a variation of Shortest path problem or a different class of problem?
7 replies
2
This guy does BOGO sort very differently - O(4)
5 replies
[SPOILER ALERT] Advent of Code: Day 14 solutions
4 replies
Modify the program of a device
0 replies
[SPOILER ALERT] Advent of Code 2022: Day 4 solutions
1 reply
Day 9 solutions
1 reply
[SPOILER ALERT] Advent of Code 2022: Day 5 solutions
0 replies
More »
Best this month
Advent Of Code 2023
6 replies
More »
Programming Diversions Forum at JavaRanch
Advent Of Code 2023
1 day ago
6 replies
one TRICK for handling uncaught exceptions
2 weeks ago
11 replies
1
Java in General
Count unique substrings in a string
2 months ago
8 replies
Modify the program of a device
3 months ago
0 replies
Unanswerable puzzle?
3 months ago
7 replies
Another Graph algorithm puzzle
5 months ago
14 replies
3
Is this a variation of Shortest path problem or a different class of problem?
5 months ago
7 replies
2
Programming Diversions
The A.R.B Connect 4 (8x8) Computer Program Challenge 2021
9 months ago
5 replies
This guy does BOGO sort very differently - O(4)
9 months ago
5 replies
[Java puzzle] I don't feel like myself
10 months ago
29 replies
2
Advent of Code 2022
10 months ago
133 replies
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4
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2
3
Day 9 solutions
10 months ago
1 reply
[SPOILER ALERT] Advent of Code: Day 7 solutions
11 months ago
4 replies
[SPOILER ALERT] Advent of Code: Day 14 solutions
11 months ago
4 replies
[SPOILER ALERT] Advent of Code: Day 6 solutions
11 months ago
18 replies
[SPOILER ALERT] Advent of Code 2022: Day 5 solutions
11 months ago
0 replies
[SPOILER ALERT] Advent of Code 2022: Day 2 solutions
11 months ago
5 replies
[SPOILER ALERT] Advent of Code 2022: Day 3 solutions
11 months ago
5 replies
[SPOILER ALERT] Advent of Code 2022: Day 4 solutions
11 months ago
1 reply
[SPOILER ALERT] Advent of Code 2022: Day 1 Solutions
11 months ago
7 replies
Simple challenge: Monty Hall
1 year ago
79 replies
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2
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3
Picking random items from a large list to create a smaller list
1 year ago
25 replies
Programming Diversions
The A.R.B All4Connect 4 (8x8) Computer Program Challenge 2021
1 year ago
4 replies
Programming Diversions
jigsaw Java puzzle
1 year ago
6 replies
Is it useful to learn with pseudocode for future work?
1 year ago
1 reply
How to solve this coding interview question?
1 year ago
7 replies
Learning Java for grade 9 beginner
1 year ago
4 replies
Drawing live graphics with pyqtgraph
1 year ago
1 reply
Jython/Python
How do I fix: "there are 2 elements that match the criteria" error
1 year ago
2 replies
Random numbers in the interval.
1 year ago
1 reply
Wordle
1 year ago
3 replies
1
Advent of Code 2021
1 year ago
63 replies
[
1
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2
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4
Jython/Python
Python 101
1 year ago
6 replies
Blog around the Campfire
Lessons Learned from Advent of Code (Kotlin stuff)
1 year ago
1 reply
"rewrite" structure for subdomain on Nginx
1 year ago
0 replies
C / C++
Strcat Function In C++
1 year ago
2 replies
Events
Call for volunteers: recorded programming dojo session
1 year ago
0 replies
AoC 2021 - Day 14 Solutions (Spoilers!)
1 year ago
2 replies
AoC 2021 - Day 08 Solutions (Spoilers!)
1 year ago
35 replies
1
AoC 2021 - Day 15 Solutions (Spoilers!)
1 year ago
7 replies
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