Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Notifications
Mark all as read
Challenges

Code challenges of all types. For questions about golfing, bowling, etc, use Q&A. For questions about this community, use Meta. To get feedback on a challenge before posting it, use Sandbox.

108 posts · Subscribe
81%
+7 −0
Bytes to Segfault

10 answers  ·  posted almost 2 years ago by moony‭  ·  last activity 9mo ago by radarek‭

71%
+3 −0
Generalized Sort

6 answers  ·  posted 1y ago by Moshi‭  ·  last activity 9mo ago by radarek‭

80%
+6 −0
Golf golf challenge

5 answers  ·  posted 10mo ago by Lundin‭  ·  last activity 9mo ago by radarek‭

84%
+9 −0
1, 2, Fizz, 4, Buzz!

20 answers  ·  posted almost 2 years ago by Dion‭  ·  last activity 10mo ago by celtschk‭

75%
+4 −0
Implement Rule 110

1 answer  ·  posted 11mo ago by celtschk‭  ·  last activity 11mo ago by Moshi‭

40%
+0 −1
Tiny Turing-completeness

0 answers  ·  posted 11mo ago by AndrewTheCodegolfer‭  ·  edited 11mo ago by AndrewTheCodegolfer‭

77%
+5 −0
99 Shortened Bottles of Beer

13 answers  ·  posted 1y ago by General Sebast1an‭  ·  last activity 11mo ago by General Sebast1an‭

75%
+4 −0
71%
+3 −0
Run-length encode a byte sequence

2 answers  ·  posted 12mo ago by celtschk‭  ·  last activity 12mo ago by Moshi‭

71%
+3 −0
Convert integer to English

3 answers  ·  posted 1y ago by celtschk‭  ·  last activity 12mo ago by Moshi‭

71%
+3 −0
Find good coalitions

2 answers  ·  posted 12mo ago by celtschk‭  ·  last activity 12mo ago by Moshi‭

81%
+7 −0
Truthify an array

10 answers  ·  posted over 1 year ago by Razetime‭  ·  last activity 12mo ago by General Sebast1an‭

84%
+9 −0
Obligatory Quine Challenge

9 answers  ·  posted almost 2 years ago by ATaco‭  ·  last activity 12mo ago by General Sebast1an‭

71%
+3 −0
Encode and decode floating point integers

2 answers  ·  posted 12mo ago by celtschk‭  ·  last activity 12mo ago by General Sebast1an‭

66%
+2 −0
77%
+5 −0
Recreate the Stack Overflow logo

2 answers  ·  posted over 1 year ago by General Sebast1an‭  ·  last activity 1y ago by Anonymous‭

75%
+4 −0
The Ludic Numbers

3 answers  ·  posted 1y ago by Razetime‭  ·  last activity 1y ago by General Sebast1an‭

77%
+5 −0
Decode periodic decimal fractions

2 answers  ·  posted 1y ago by celtschk‭  ·  edited 1y ago by General Sebast1an‭

66%
+2 −0
Reverse your quine

4 answers  ·  posted 1y ago by General Sebast1an‭  ·  last activity 1y ago by celtschk‭

66%
+2 −0
Expand a polynomial

4 answers  ·  posted 1y ago by Moshi‭  ·  last activity 1y ago by Moshi‭

71%
+3 −0
Abbreviate everything

3 answers  ·  posted 1y ago by General Sebast1an‭  ·  last activity 1y ago by Hakerh400‭

85%
+10 −0
Create an Alphabet Diamond

11 answers  ·  posted over 1 year ago by dzaima‭  ·  last activity 1y ago by General Sebast1an‭

60%
+1 −0
75%
+4 −0
When The Ternary Is Balance

3 answers  ·  posted 1y ago by Razetime‭  ·  last activity 1y ago by Moshi‭

71%
+3 −0
My house is destroyed! Can you make me one?

10 answers  ·  posted 1y ago by General Sebast1an‭  ·  last activity 1y ago by Quintec‭

88%
+13 −0
Output 256 in many different ways

12 answers  ·  posted almost 2 years ago by dzaima‭  ·  last activity 1y ago by snail_‭

80%
+6 −0
In The Jailhouse Now

6 answers  ·  posted 1y ago by Shaggy‭  ·  last activity 1y ago by snail_‭

75%
+4 −0
Tile pyramids on top of each other!

9 answers  ·  posted almost 2 years ago by Dion‭  ·  last activity 1y ago by A username‭

71%
+3 −0
Multiply two strings

6 answers  ·  posted 1y ago by celtschk‭  ·  last activity 1y ago by Hakerh400‭

75%
+4 −0
Generate Lewis Caroll's Jabberwocky

4 answers  ·  posted almost 2 years ago by celtschk‭  ·  last activity 1y ago by General Sebast1an‭

80%
+6 −0
Beaver Code Decryption

6 answers  ·  posted over 1 year ago by rak1507‭  ·  last activity 1y ago by Shaggy‭

77%
+5 −0
Ratio limits of fibonacci-like series

3 answers  ·  posted over 1 year ago by rak1507‭  ·  edited 1y ago by General Sebast1an‭

80%
+6 −0
Is it a near-anagram?

5 answers  ·  posted over 1 year ago by snail_‭  ·  edited 1y ago by General Sebast1an‭

71%
+3 −0
Longest Increasing Subsequence

4 answers  ·  posted almost 2 years ago by Quintec‭  ·  edited 1y ago by General Sebast1an‭

75%
+4 −0
Win a War (or at least a few battles)

2 answers  ·  posted over 1 year ago by Quintec‭  ·  edited 1y ago by General Sebast1an‭

71%
+3 −0
The Camelot Wheel

2 answers  ·  posted almost 2 years ago by Quintec‭  ·  edited 1y ago by General Sebast1an‭

80%
+6 −0
Juggler sequences

9 answers  ·  posted over 1 year ago by caird coinheringaahing‭  ·  last activity 1y ago by Shaggy‭

66%
+2 −0
Golf me a polygonal loader

1 answer  ·  posted almost 2 years ago by Razetime‭  ·  edited 1y ago by General Sebast1an‭

71%
+3 −0
Towering Cistercian Representation

1 answer  ·  posted almost 2 years ago by Razetime‭  ·  edited 1y ago by General Sebast1an‭

77%
+5 −0
Shuffle a subset of a list

4 answers  ·  posted 1y ago by user‭  ·  edited 1y ago by General Sebast1an‭

80%
+6 −0
Versatile self-printer

1 answer  ·  posted over 1 year ago by AndrewTheCodegolfer‭  ·  last activity 1y ago by General Sebast1an‭

77%
+5 −0
Are they abundant, deficient or perfect?

8 answers  ·  posted over 1 year ago by caird coinheringaahing‭  ·  last activity 1y ago by General Sebast1an‭

84%
+9 −0
Length of a Sumac Sequence

9 answers  ·  posted almost 2 years ago by Razetime‭  ·  edited 1y ago by General Sebast1an‭

77%
+5 −0
71%
+3 −0
Guess the language! (Robbers' Thread)

12 answers  ·  posted 1y ago by AndrewTheCodegolfer‭  ·  last activity 1y ago by m90‭

81%
+7 −0
Backspace an array

6 answers  ·  posted over 1 year ago by rak1507‭  ·  last activity 1y ago by Shaggy‭

77%
+5 −0
Gamer Meme Creator

4 answers  ·  posted 1y ago by Razetime‭  ·  last activity 1y ago by user‭

66%
+2 −0
Three Number Monte

2 answers  ·  posted 1y ago by Quintec‭  ·  last activity 1y ago by Moshi‭

77%
+5 −0
Add two negabinary integers

3 answers  ·  posted 1y ago by Moshi‭  ·  last activity 1y ago by Shaggy‭

This community is part of the Codidact network. We have other communities too — take a look!

You can also join us in chat!

Want to advertise this community? Use our templates!

Like what we're doing? Support us! Donate