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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.

100 posts · Subscribe
92%
+22 −0
"Hello, World!"

55 answers  ·  posted over 1 year ago by anna328p‭  ·  last activity 1mo ago by celtschk‭

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

12 answers  ·  posted over 1 year ago by dzaima‭  ·  last activity 9mo ago by snail_‭

87%
+12 −0
Evaluate a single variable polynomial equation

20 answers  ·  posted over 1 year ago by moony‭  ·  last activity 4mo ago by south‭

87%
+12 −0
Print the Great Numeric Pyramid

5 answers  ·  posted over 1 year ago by Sisyphus‭  ·  last activity 1y ago by Marshall Lochbaum‭

87%
+12 −0
Partial Sums of Harmonic Series

10 answers  ·  posted over 1 year ago by Quintec‭  ·  last activity 4mo ago by Bubbler‭

86%
+11 −0
Reverse an ASCII string

27 answers  ·  posted over 1 year ago by moony‭  ·  last activity 1mo ago by celtschk‭

86%
+11 −0
Merge two strings

8 answers  ·  posted 1y ago by rak1507‭  ·  last activity 4mo ago by radarek‭

85%
+10 −0
Weave Strings Together

13 answers  ·  posted over 1 year ago by Razetime‭  ·  last activity 4mo ago by radarek‭

84%
+9 −0
Are All Elements Equal?

15 answers  ·  posted 9mo ago by Razetime‭  ·  last activity 2mo ago by south‭

84%
+9 −0
Create an Alphabet Diamond

11 answers  ·  posted over 1 year ago by dzaima‭  ·  last activity 8mo ago by IDoYTSoSubHaha‭

84%
+9 −0
Coat of Many Colours

6 answers  ·  posted 9mo ago by Shaggy‭  ·  last activity 4mo ago by radarek‭

84%
+9 −0
It's Hip to be Square

20 answers  ·  posted 10mo ago by Shaggy‭  ·  last activity 20d ago by Zakk‭

84%
+9 −0
Cumulative Counts

11 answers  ·  posted 1y ago by rak1507‭  ·  last activity 4mo ago by radarek‭

84%
+9 −0
1, 2, Fizz, 4, Buzz!

20 answers  ·  posted over 1 year ago by Dion‭  ·  last activity 6mo ago by celtschk‭

84%
+9 −0
Can you give me half?

19 answers  ·  posted 3mo ago by Razetime‭  ·  last activity 24h ago by Razetime‭

84%
+9 −0
Obligatory Quine Challenge

9 answers  ·  posted over 1 year ago by ATaco‭  ·  last activity 8mo ago by IDoYTSoSubHaha‭

83%
+8 −0
Length of a Sumac Sequence

9 answers  ·  posted over 1 year ago by Razetime‭  ·  edited 9mo ago by IDoYTSoSubHaha‭

81%
+7 −0
Golf a FRACTRAN interpreter

7 answers  ·  posted 1y ago by Razetime‭  ·  last activity 4mo ago by radarek‭

81%
+7 −0
Backspace an array

6 answers  ·  posted 12mo ago by rak1507‭  ·  last activity 10mo ago by Shaggy‭

81%
+7 −0
Evaluation order of an APL n-train

7 answers  ·  posted 11mo ago by rak1507‭  ·  last activity 11mo ago by Shaggy‭

81%
+7 −0
Make my number a set

10 answers  ·  posted 1y ago by Wezl‭  ·  last activity 4mo ago by radarek‭

81%
+7 −0
Word Set Square

11 answers  ·  posted 1y ago by Razetime‭  ·  last activity 4mo ago by radarek‭

81%
+7 −0
Solve Goldbach's Conjecture

9 answers  ·  posted over 1 year ago by Quintec‭  ·  last activity 2mo ago by south‭

81%
+7 −0
Evens or Odds - you know this one

14 answers  ·  posted 11mo ago by AndrewTheCodegolfer‭  ·  last activity 4mo ago by radarek‭

81%
+7 −0
Truthify an array

10 answers  ·  posted over 1 year ago by Razetime‭  ·  last activity 8mo ago by IDoYTSoSubHaha‭

81%
+7 −0
Bytes to Segfault

10 answers  ·  posted over 1 year ago by moony‭  ·  last activity 4mo ago by radarek‭

81%
+7 −0
Integer to Roman numeral

3 answers  ·  posted over 1 year ago by Lundin‭  ·  last activity over 1 year ago by Lundin‭

80%
+6 −0
Collatz conjecture; Count the tries to reach $1$

14 answers  ·  posted 8mo ago by IDoYTSoSubHaha‭  ·  last activity 4d ago by Zakk‭

80%
+6 −0
Word Count Tool

10 answers  ·  posted 11mo ago by Quintec‭  ·  last activity 24h ago by torres‭

80%
+6 −0
Shape of an array

6 answers  ·  posted over 1 year ago by Adám‭  ·  last activity 3mo ago by south‭

80%
+6 −0
Juggler sequences

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

80%
+6 −0
Golf golf challenge

5 answers  ·  posted 6mo ago by Lundin‭  ·  last activity 4mo ago by radarek‭

80%
+6 −0
Operation "Find The Operator"

5 answers  ·  posted 7mo ago by IDoYTSoSubHaha‭  ·  last activity 4mo ago by radarek‭

80%
+6 −0
Write a Deadfish Interpreter

8 answers  ·  posted over 1 year ago by Razetime‭  ·  last activity 20d ago by Zakk‭

80%
+6 −0
Beaver Code Decryption

6 answers  ·  posted 1y ago by rak1507‭  ·  last activity 9mo ago by Shaggy‭

80%
+6 −0
Is it a near-anagram?

5 answers  ·  posted 1y ago by snail_‭  ·  edited 9mo ago by IDoYTSoSubHaha‭

80%
+6 −0
Reduce over the range [1..n]

13 answers  ·  posted 9mo ago by user‭  ·  last activity 4mo ago by south‭

80%
+6 −0
In The Jailhouse Now

6 answers  ·  posted 9mo ago by Shaggy‭  ·  last activity 9mo ago by snail_‭

77%
+5 −0
Gamer Meme Creator

4 answers  ·  posted 10mo ago by Razetime‭  ·  last activity 10mo ago by user‭

77%
+5 −0
Repeat the characters

14 answers  ·  posted 8mo ago by celtschk‭  ·  last activity 4mo ago by south‭

77%
+5 −0
Roll n fair dice

7 answers  ·  posted 9mo ago by Moshi‭  ·  last activity 4mo ago by radarek‭

77%
+5 −0
99 Shortened Bottles of Beer

13 answers  ·  posted 10mo ago by IDoYTSoSubHaha‭  ·  last activity 6mo ago by IDoYTSoSubHaha‭

77%
+5 −0
Guess the language! (Cops' Thread)

16 answers  ·  posted 10mo ago by AndrewTheCodegolfer‭  ·  last activity 9mo ago by Shaggy‭

77%
+5 −0
Looping counter

13 answers  ·  posted 26d ago by celtschk‭  ·  last activity 10d ago by orthoplex‭

77%
+5 −0
Versatile self-printer

1 answer  ·  posted 11mo ago by AndrewTheCodegolfer‭  ·  last activity 9mo ago by IDoYTSoSubHaha‭

77%
+5 −0
Shuffle a subset of a list

4 answers  ·  posted 11mo ago by user‭  ·  edited 9mo ago by IDoYTSoSubHaha‭

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

2 answers  ·  posted 11mo ago by IDoYTSoSubHaha‭  ·  last activity 8mo ago by Anonymous‭

77%
+5 −0
Diagonalized alphabet

7 answers  ·  posted 11mo ago by Razetime‭  ·  last activity 4mo ago by radarek‭

77%
+5 −0
Longest parallel lines

1 answer  ·  posted over 1 year ago by rak1507‭  ·  edited 12mo ago by rak1507‭

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