All Questions
Tagged with popularity-contest source-layout
10 questions
34
votes
4
answers
3k
views
Make The Finest Magic Code Square
In math a magic square is an N×N grid of numbers from 1 to N2 such that every row, column, and diagonal sums to the same total. For example here's a 3×3 magic square:
In this challenge we'...
- 90k
2
votes
3
answers
269
views
Writing Phrases with Code [closed]
This is my first contest, so please tell me what I can do to improve.
The object of this contest is to write program lines in your language of choice that are both valid code and self-descriptive in ...
- 725
5
votes
1
answer
846
views
Let us create a sonnet quine! [closed]
There are programs that will output its source code to standard output and do nothing else. They also access no external output. This type of program is known as a quine, and is a common code ...
- 7,265
10
votes
5
answers
1k
views
Program that prints mirror images of it's own self
Write a program that produces mirror images of itself. An example, would be the fantastic camel code that reads it's own code and produces two smaller 2x2 versions. Given the input:
...
- 1,611
63
votes
38
answers
9k
views
Factorial in haiku!
Task
Create a program that calculates the factorial of a number using no built-in factorial functions. Easy? The catch is that you must write your entire program (including testing it) in haiku form.
...
- 7,981
19
votes
15
answers
2k
views
Write a function that tells you which TWO of its lines has been removed
In my previous code challenge, I asked you to write a function that tells you which of its lines has been removed.
The instructions were:
Write a function that contains five lines.
If you run ...
- 1,152
29
votes
13
answers
2k
views
Write a function that tells you which of its lines has been removed
Write a function that contains five lines.
If you run the function as-is, it should return 0.
If you remove any one of the five lines and run the function, it should tell you which of the lines has ...
- 1,152
14
votes
7
answers
997
views
Avoid duplicate entries using a sign change
This anecdote contains the following intriguing exchange:
"Fine, Fred," Avi interrupted. "Then how would you change this to
avoid duplicate entries?"
"Oh, just change that one there to a ...
- 22.3k
19
votes
18
answers
3k
views
Write a program that is valid after circular character shift
Potentially very difficult, but I've seen some amazing things come out of this site.
The goal is to write a program, in any language, that does whatever you want. The catch is that the program must ...
- 4,775
126
votes
21
answers
18k
views
Write a program that always outputs "2012" - even if it's modified!
This idea is not mine, though I don't know where it originated. I once met it in a programming contest very long ago (1998, if I remember correctly). The task is to write a program in your favorite ...
- 1,621