57
votes
N-dimensional N^N array filled with N
Python, 32 bytes
lambda n:eval('['*n+'n'+']*n'*n)
Try it online!
Makes a string like "[[[n]*n]*n]*n" with ...
- 144k
52
votes
Output the sign
Retina, 9 bytes
[1-9].*
1
Try it online!
Replaces a non-zero digit and everything after it with 1. This leaves a potential ...
- 196k
51
votes
Print all integers
Haskell, 19 bytes
do n<-[1..];[1-n,n]
Produces the infinite list [0,1,-1,2,-2,3,-3,4,-4,5,-5,6,-6,7,-7...
Haskell allows ...
- 144k
49
votes
As Easy as One-Two-Three
Python, 24 bytes
range(123,790,111).count
An anonymous function that outputs 0 or 1. It creates the list ...
- 144k
45
votes
Output the sign
C (GCC), 24 23 22 18 bytes
Thanks to @aross and @Steadybox for saving a byte!
f(n){n=!!n|n>>31;}
Not guaranteed to work on all systems or compilers, works on ...
- 8,753
44
votes
43
votes
Output the missing integer
Python 2, 18 16 bytes
+beauty thanks to @Sarge Borsch
`99066**2`.strip
Try it online!
99066**2 is just a shorter way to ...
- 18.4k
43
votes
Moving modest minimum
Python 2, 41 bytes
lambda l:[sorted(l)[x==min(l)]for x in l]
Try it online!
For each element x we check whether ...
- 144k
42
votes
What are the five most powerful characters in your language?
Python3, 21 27 values
Characters: 3479%
Unique numbers: [1,2,3,4,5,6,7,8,9,11,12,19,20,21,24,29,34,35,36,37,39,43,46,47,49,73,74]...
- 3,762
38
votes
Powerprogramming: O(1^N), O(N^1), O(2^N), O(N^2) all in one
Python 3, 102 bytes
try:l=eval(input());k=1#)]0[*k**l(tnirp
except:k=2#2=k:tpecxe
print(k**l*[0])#1=k;))(tupni(lave=l:yrt
Try it online!
This is of O(1^n), ...
- 49.6k
36
votes
Output the sign
Mathematica, 4 bytes
Clip
How about not using the built-in Sign and still scoring 4 bytes? ;)
...
- 196k
36
votes
Is this number an exact power of -2: (Very) Hard Mode
C++, 15 operations
I have no idea why while loops are allowed as they destroy the whole challenge. Here is an answer without any:
...
- 39k
36
votes
Is this a triangle?
Python, 24 bytes
lambda l:sum(l)>max(l)*2
Try it online!
Checks if a+b+c > max(a,b,c)*2. If, say, ...
- 144k
35
votes
As Easy as One-Two-Three
Python, 24 bytes
lambda n:n%111==12<n<900
Just a lot of condition chaining.
- 61.7k
35
votes
35
votes
A Portuguese sequence of integers
Wolfram Language (Mathematica), 42 bytes
Of course there is a built-in for this...
And as @Charlie mentioned we can golf "Portuguese" to ...
- 24.4k
34
votes
What are the five most powerful characters in your language?
Python, 18 numbers
237#-
Produces as valid results:
1, 2, 3, 4, 5, 7, 16, 23, 24, 25, 27, 32, 35, 37, 69, 71, 72, 73
EDIT: ...
- 12.4k
34
votes
What are the five most powerful characters in your language?
05AB1E, 27 38 41 numbers
4·>Ìn
Generates the unique numbers:
...
- 52.9k
34
votes
34
votes
34
votes
Print the Lost numbers
Lost, 29 27/2 = 13.5 bytes
%?\>>>>>>>>>>
>>\"*"@"
Try it online! or verify that it is deterministic
...
- 47.1k
34
votes
iHateOddNumbers
Python 2, 16 bytes
lambda n:n<<n%-2
Try it online!
The expression n%-2 equals 0 for even ...
- 144k
33
votes
Turn an integer n into a list containing it n times
Jelly, 1 byte
x
Try it online!
Note that this is not the “repeat n n times” built-in — ...
- 68.1k
32
votes
Greater than less than greater than something fishy
Retina, 20 bytes
Byte count assumes ISO 8859-1 encoding.
$.'
S`>
%O#`\d+
¶
>
Try it online! (The first line enables a linefeed-separated test-suite.)
...
- 196k
32
votes
Oddly Even, Positively Negative
Python 2, 23 bytes
lambda n:~n/2+n%2*(n|2)
Odd inputs give roughly n/2, even ones roughly ...
- 144k
32
votes
Which Card is it?
Python 3, 115 90 bytes
from unicodedata import*
lambda n:name(chr(n%13+n%13//11+[6,0,4,2][-n//13]*8+127137))[13:]
An unnamed function returning the ...
- 104k
31
votes
Print all integers
Brainfuck, 6 bytes
This makes use of the cell wrapping and prints all possible values. In Brainfuck, the native integer representation is by byte value.
.+[.+]
Try ...
- 43.7k
31
votes
Print all integers
Cubix, 14 12 bytes
.(.\OSo;?.>~
Test it online! You can now adjust the speed if you want it to run faster or slower.
How it works
The first thing the ...
- 49.9k
31
votes
Accepted
Inverse Deltas of an Array
Jelly, 7 3 bytes
ḤḢ_
Try it online!
Background
The deltas of (a, b, c, d) are b - a, c - b, and d - c. Cumulatively reducing (a, b - a, c - b, d - c) by ...
- 210k
30
votes
How many petals around the rose
Python 3, 30 bytes
lambda l:sum(n**3&6for n in l)
Try it online!
(test cases shamelessly borrowed from xnor's answer)
How?
Given \$1\le n\le6\$, the ...
- 188k
Only top scored, non community-wiki answers of a minimum length are eligible