Code Golf Stack Exchange is a question and answer site for programming puzzle enthusiasts and code golfers. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Top Questions

3 votes
3 answers
52 views

Write a Web server quine

6 votes
8 answers
108 views

Just another traffic jam!

15 votes
13 answers
3k views

Which skill to train?

19 votes
38 answers
3k views

Print the Christmas alphabet

17 votes
34 answers
2k views

Rudin-Shapiro sequence

0 votes
20 answers
778 views

How Many Paint Tins Do I Need?

18 votes
9 answers
1k views

Limited letter renderer: BIOPD

13 votes
21 answers
4k views

German pharmacy payment

4 votes
1 answer
168 views

Convert real numbers between factoradic and positive integer bases

10 votes
36 answers
3k views

Print ASCII building

32 votes
33 answers
6k views

aaabbabbc⠀⠀⠀⠀⠀⠀

7 votes
1 answer
227 views

Tips for Golfing in Vyxal 3

-3 votes
1 answer
194 views

Bingo Cards SVG Code [duplicate]

14 votes
22 answers
2k views

Decode the date in Christmas Eve format

15 votes
13 answers
1k views

Golf Transmission

9 votes
3 answers
528 views

Get the Bible verse

17 votes
21 answers
2k views

Monotone sequence beatitude

15 votes
2 answers
2k views

Shortest Algorithm* That Generates a Harlequin Pattern

4 votes
2 answers
720 views

Shortest C code to display argv in-order

19 votes
27 answers
3k views

Restricted Meta-Cat

19 votes
35 answers
2k views

Compute the conjugate of a partition

15 votes
19 answers
2k views

Last Week Day Of The Month

515 votes
969 answers
188k views

"Hello, World!"

13 votes
17 answers
3k views

Make Code Printing X without X

14 votes
16 answers
2k views

Finding the power sandwich

16 votes
19 answers
2k views

Find the fairest partition of a list

11 votes
8 answers
2k views

Add two natural numbers

30 votes
20 answers
4k views

How many umbrellas to cover the beach?

5 votes
9 answers
1k views

Print the banned characters based on the most common characters

1 vote
0 answers
96 views

Produce a secure block cipher round function (1 bit round key; 7 bit message)

-2 votes
4 answers
178 views

Answer a Loaded Question (with Lojban!) [closed]

10 votes
6 answers
616 views

Robinson Schensted correspondence

17 votes
12 answers
1k views

Encode the input to exclude a given character (part 1)

17 votes
14 answers
2k views

Finding the power sandwich version 2

23 votes
23 answers
2k views

Find the largest sum such that no two elements are touching

18 votes
17 answers
3k views

Adversarial Iterated Prisoner's Dilemma

12 votes
6 answers
2k views

Sine using square root [closed]

0 votes
0 answers
67 views

Write a checker quine [duplicate]

32 votes
36 answers
2k views

Make a k-skip-j range

9 votes
8 answers
657 views

Produce the shortest suffix for an (almost) arbitrary string

14 votes
9 answers
2k views

Seat gangs as far as possible

7 votes
2 answers
303 views

How many twisted corners?

18 votes
22 answers
3k views

Be big more often

13 votes
10 answers
1k views

Directional Run Length Decoding

550 votes
241 answers
134k views

Showcase of Languages

6 votes
4 answers
584 views

Sum of the sum of all possible subsets raised to power k

12 votes
5 answers
1k views

The too-short urinal problem

7 votes
1 answer
251 views

Literate Programming in Base 26


Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.