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Code-golf is a competition to solve a particular problem in the fewest bytes of source code.
88
votes
229
answers
23k
views
The Letter A without A
Your task is to display the letter "A" alone, without anything else, except any form of trailing newlines if you cannot avoid them, doing so in a program and/or snippet. Code that returns (instead of …
30
votes
45
answers
2k
views
Invalid Invali Inval
This idea is loosely based upon @TùxCräftîñg's chat message.
Take a look at the below example sequence:
INVALID0, INVALID1, INVALID2 INVALID3, INVALID4... INVALID9
After INVALID9, it goes on like t …
20
votes
29
answers
3k
views
The Letter E with E
Your task is to display the below letter "E" shaped ASCII art, given five inputs.
Examples:
Input: 7,2,+,|,- (Note: You don't have to follow this exact input format, and if you don't use it, then yo …
4
votes
3
answers
620
views
Recamán's triangular fibonacci
This challenge is based upon three sequences, below are their formulae:
Recamán's sequence:
a1 = 0; for n > 0, an = an-1 - n
if positive and not already in the sequence, otherwise
an = an-1 + n
…
6
votes
13
answers
3k
views
0.0000000000000000001
Notice the pattern in the below sequence:
0.1, 0.01, 0.001, 0.0001, 0.00001 and so on, until reaching 0.{one hundred zeros}1
Then, continued:
0.2, 0.02, 0.002, 0.0002, 0.00002 and so on, until rea …
0
votes
4
answers
618
views
A challenge about colours [closed]
Above, you can see an image full of different colours.
Click here for a hex-dump.
One possible way to generate this image is by using a linear gradient rotated 90 degrees, however, this may not be …
-5
votes
6
answers
356
views
Repetition of letters [duplicate]
Your task is to take an input, for example:
a,b,4,5
And produce an output, which per this example is aaaabbbbb
a,b,4,5 means: the lowercase character "a" is repeated 4 times, and is then followed b …