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Code-golf is a competition to solve a particular problem in the fewest bytes of source code.

-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 …
Buffer Over Read's user avatar
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 …
Buffer Over Read's user avatar
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 …
Buffer Over Read's user avatar
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 …
Buffer Over Read's user avatar
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 …
Buffer Over Read's user avatar
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 …
Buffer Over Read's user avatar
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 …
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