224
votes
Hyperprogramming: N+N, N×N, N^N all in one
Jelly, 12 bytes
N+N
“(ẹ+)‘FQṖṪỌv
Try it online!
N×N
““((ẹẹ++))‘‘FFQQṖṖṪṪỌỌvv
Try it online!
N^N
...
- 210k
212
votes
Hello, World! (Every other character)
Python 3, 61 bytes
rant="partisn't"
print(("HHeelllloo,, WWoorrlldd!!"""[::2]))
Try it online!
Abusing the fact that print ...
- 2,254
93
votes
Hyperprogramming: N+N, N×N, N^N all in one
><>, 41 bytes
\<
1:: :
&&* +
i*n n
c&
%:
4l
0(
.i
n}
&?
Try it online: N+N, N*N, N^N. Assumes that the STDIN input is exactly one char.
>&...
- 61.7k
75
votes
Inverse function
Haskell, 11 bytes
f=log
pxe=f
and in reverse order:
f=exp
gol=f
This works without the "comment" trick. Instead each ...
- 35.8k
73
votes
63
votes
62
votes
Hello, World! (Every other character)
Cardinal, 29 bytes
%
"
H
e
l
l
o
,
W
o
r
l
d
!
Try it online!
Removing every other character removes all the linefeeds, which still results in ...
- 196k
59
votes
From Programming Puzzles to Code Golf
Python 2, 48 47 bytes
-1 byte thanks to Erik the Outgolfer
print' 'and'Programming Puzzles'or'Code\40Golf'
Try it online!
...
- 18.4k
53
votes
I reverse the source code, you negate the output!
05AB1E, 2 bytes
(1
Try it online!
!enilno ti yrT
( # negate nothing
1 # push 1 (and implictly output it)
<...
- 15.6k
52
votes
Hello, World! (Every other character)
C, 125 bytes
xpxuxtxs( ) { }xuxs ( ) { } main( ) {puts ( "Hello, World!" ) ; } mxaxixn ( ) {xpxuxtxs ( " H e l l o , W o r l d ! " ) ; }
Try it online!
With ...
- 16.5k
47
votes
I uppercase the source code, you reverse the input!
05AB1E, 1 byte
r
Try it online lowercase or uppercase!
Finally a question which I (a dumb brain) can answer! Thanks for this easy, yet fun challenge! (I do feel ...
- 2,679
42
votes
Build a twisted "Hello world!"
Python 2, 59 bytes
print " Hello, world!"[ 2::]
#rint "T w i s t e r !"[ ::2]
Twisted:
...
- 17.8k
42
votes
Inverse function
APL, 3 bytes
*⊣⍟
This is a function train. Monadic * returns e^x, monadic ...
- 31.2k
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
42
votes
I uppercase the source code, you reverse the input!
Python 3, 61 50 49 48 bytes
-1 thanks to benrg!
r=-1;ʳ=1;ᵖʳᵢⁿᵗ(ᵢⁿᵖᵘᵗ()[::r])
lower-cased / upper-cased
This works because
PEP-3131 was implemented in Python 3....
- 104k
41
votes
41
votes
Accepted
Create a square of increasing size by replicating the initial code
Pyth, 2 bytes
5
Try it online! Also Try it doubled, tripled!
How does that work?
\n is the command that prints its ...
- 42.3k
38
votes
Accepted
Coding Around The Clock
GolfScript, 11 10 bytes
21;;3#9];6
Uses # as padding character.
12 o'clock
...
- 210k
38
votes
Letter, Number, Symbol, Space, Repeat
Haskell 300 bytes
This code should have no trailing newline. The function m1 takes the input as a Char and returns the answer ...
- 7,424
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
37
votes
Program template for printing *any* string
Excel, 1 byte
'
Ungolfed version
' <-- print the following text,
and exit the current formula
- 601
37
votes
2 Cats in a Quine
V, 2 + 2 == 4 bytes
2i2i
Try the quine!
Try the cat!
A is 2i
B is also 2i
How does it ...
- 58.9k
36
votes
36
votes
Hello, World! (Every other character)
Actually, 2 bytes
HH
Explanation:
H, as you might expect, pushes Hello, World! to the ...
- 16.4k
36
votes
Code 3k to Codee k
Many languages, 4 bytes
16-1
Outputs 15.
16-11
Outputs 5.
This is a CW answer for many languages it works for. Edit to ...
35
votes
Internal Truth Machine
Python 3, 29 bytes
or~print(0)
while 1:print(1)
A full program, which if prefixed with 0 will print ...
- 104k
34
votes
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
Only top scored, non community-wiki answers of a minimum length are eligible