New answers tagged string
0
Bash + Unix utilities, 77 74 bytes
tee t|tr "`rs -T|sort -ur|xargs`" "`grep -q 9 t;seq $[8+$?] -1 0|xargs`"<t
Try the test suite online!
Input is a list of integers on stdin (space-separated digits).
Output is in the same format, on stdout.
This is an implementation of Surculose Sputum's nice method: List the unique digits that appear in the input, ...
2
J, 29 24 bytes
(\:~@~.i.]){[:i.10-~9&e.
Try it online!
Thanks to Bubbler for catching some bugs. All are now fixed.
Inspired by Surculose's sweet answer, be sure to upvote him.
2
Wolfram Language (Mathematica), 79 bytes
Port of @SurculoseSputum answer
#/.MapThread[Rule,{a=Union@#,Range[0,9][[-Tr[1^a]-(d=Boole[Max@a>8]);;-1-d]]}]&
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2
Erlang (escript), 143 bytes
Port of Surculose Sputum's Python answer.
u([])->[];u([H|T])->[H]++u([A||A<-T,A/=H]).
i(X)->case X of true->1;_->0end.
f(A)->[9-i(lists:member(9,A))-lists:sum([i(X>D)||X<-u(A)])||D<-A].
Try it online!
4
K (oK), 27 bytes
{((9-9=|/x)-!#?x)(?x@>x)?x}
Try it online!
Takes the input as a list ot digits.
Inspired by Kevin Cruijssen's 05AB1E and Surculose Sputum's Python solutions - please don't forget to upvote them!
0
This is a port of @Surculose Sputum's solution in APL2.
U←((A⍳A)=⍳⍴A)/A←,A
((9∊A)⌽⌽⍳10)[U[⍒U]⍳A]
It presupposes that A is a vector of numbers and that ⎕IO=0
3
W, 14 bytes
Port of the 10-byte 05AB1E answer.
♥f<~|J▄5sO#o═╥
Uncompressed:
oFU_:kkT-zrZ:a=-
3
Charcoal, 24 bytes
≔⌈Φχ¬№θＩιη⪫⪪θ⎇⁼η⁹⌈θＩ⊕ηＩη
Try it online! Link is to verbose version of code. Uses a similar idea to @SurculoseSputum's answer. Explanation:
≔⌈Φχ¬№θＩιη
Find the highest digit not present in the input number.
⎇⁼η⁹⌈θＩ⊕η
If that digit is less than 9 then increment it (which will give a digit in the input number) otherwise take the highest ...
15
Python 3, 58 52 bytes
lambda n:[9-(9in n)-sum(x>d for x in{*n})for d in n]
Try it online!
Input: The number n, as a list of digits.
Output: A similar number, as a list of digits.
-6 bytes thanks to @xnor!
How:
Reverses the list of unique digits, then maps them to 9,8,7,... or 8,7,6,... depending on whether n contains the digit 9 or not.
For example:
...
6
05AB1E, 20 16 10 bytes
êRāTα:DIQ-
-6 bytes after being inspired by @SurculoseSputum partially incorrect approach.
I/O as a list of digits.
Try it online or verify all test cases.
Explanation:
ê # Sort and uniquify the digits in the (implicit) input-list
# i.e. [2,8,4,2] → [2,4,8]
R # And reverse it
# → [8,4,2]
...
8
JavaScript (ES6), 55 bytes
I/O format: list of digits.
a=>a.map(d=>d-=-!/9/.test(a)|!a.includes(d-=d>(a<'2')))
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Commented
a => // a[] = input array of digits
a.map(d => // for each digit d in a[]:
d -= // update d:
-!/9/.test(a) // if a[] doesn't include any 9, increment ...
1
Jelly, 13 bytes
_Ḷ€ZŒHṚ;"¥/%⁵
A monadic Link accepting an integer which yields a list of lists of integers in \$[0,9]\$.
Try it online! (footer just reformats the output list of lists)
I feel there may be shorter.
How?
_Ḷ€ZŒHṚ;"¥/%⁵ - Link: integer, n
€ - for each (i) in (implicit range [1..n])
Ḷ - lowered range (i) -> [0.....
1
Perl 5 with -apF'(?=\[)', 25 bytes
Accepts input as:
A
[A-F,H-M]
B
[N-Z]
$\||=$_ x"G
"=~<>}{$\||=R
Try it online!
Verify all test cases.
Note: the empty test case is missing from the verify all link because my test suite is bad and I should feel bad, but it works when tested in isolation.
2
Perl 5 -n, 43 bytes
@a=map$_%10x$_,$_&1^1..$_;say$_,pop@a for@a
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1
PowerShell, 38 37 bytes
($args+'RG'|?{'G'-like"[$_ ]"})[0][0]
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Takes strings as is, e.g. 'D(D,X-Z)'.
1
APL (Dyalog Unicode), 42 bytes
10|{⍵=1:1 1⍴1⋄2|⍵:⍵⍪∇⍵-1⋄(⍳∘≢,1+⊢,⊢/)∇⍵-1}
Try it online!
A fresh approach using recursion, though not very short.
How it works
10|{⍵=1:1 1⍴1⋄2|⍵:⍵⍪∇⍵-1⋄(⍳∘≢,1+⊢,⊢/)∇⍵-1}
⍝ Input: n
⍵=1:1 1⍴1 ⍝ Base case: If n=1, give a 1x1 matrix of 1
2|⍵:⍵⍪∇⍵-1 ⍝ For odd n, prepend n copies of n on the top
(⍳∘≢,1+⊢,⊢/)∇⍵-...
1
J, 30 29 bytes
10(|-:@#$]#~@,"0|.)2&|0&,1+i.
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J's reshape $ is so weird that it works in place of take {. when the left is positive singleton (regardless of what comes on the right).
J, 30 bytes
10(|-:@#{.]#~@,"0|.)2&|0&,1+i.
Try it online!
Yet another case of repeat-bind (dyadic &) winning over other approaches.
How ...
2
PowerShell, 38 bytes
+ to @Noodle9
$r=$args|?{'G'-match$_[1]}
"R$r"[!!$r]
Expects input via splatting.
Try it online!
1
Ruby, 64 62 bytes
->n{c=1&~n;n,c=n-1,-~c,puts("#{n%10}"*n+"#{c%10}"*c)while c<n}
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Based on @xnor's Python answer, thanks!
4
APL (Dyalog), 49 47 34 38 35 bytes
3 bytes saved thanks to @Bubbler!
{10|(⌈⍵÷2)↑↑,/⍴⍨¨⍉↑((⍳⍵)-2|⍵)(⌽⍳⍵)}
Try it online!
⍉↑ ⍝ concat each pair in
((⍳⍵) )(⌽⍳⍵) ⍝ 1..n and n..1 (into 2×n matrix)
-2|⍵ ⍝ concats n-1..0 if n is odd
⍴⍨¨ ...
2
Erlang (escript), 109 bytes
Seems huge in comparison with other answers.
t(A,B)when A<B->"";t(A,B)->[string:copies([X rem 10+48],X)||X<-[A,B]]++"
"++t(A-1,B+1).
t(N)->t(N,1-N rem 2).
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2
J, 41 33 bytes
-8 bytes thanks to Bubbler!
10(|-:@##"1~@{.],.|.)2&|@>:}.i.,]
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K (oK), 41 38 32 bytes
-6 bytes thanks to ngn!
{(x%2)#10!{x}#'(a-2!x),'|a:1+!x}
Try it online!
2
Java 11, 89 bytes
n->{for(int c=~n&1;c<n;)System.out.println((n%10+"").repeat(n--)+(c%10+"").repeat(c++));}
Port of @xnor's Python answer, so make sure to upvote him!!
Try it online.
Explanation:
n->{ // Method with integer parameter and no return-type
for(int c=~n&1; // Temp-integer `c`, ...
1
C (gcc), 85 82 bytes
Saved 3 bytes thanks to newbie!!!
i;c;f(n){for(c=-n%2;++c<n;--n,puts(""))for(i=0;i<n+c;)putchar((i++<n?n:c)%10+48);}
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Port of xnor's Python answer so make sure to upvote him!!!
0
Icon, 76 bytes
procedure f(n)
c:=seq(1-n%2)&write(repl(n%10,n)||repl(c%10,c))&(n-:=1)=c
end
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Inspired by xnor's Python solution - don't forget to upvote it!
2
Charcoal, 24 bytes
ＮθＥ…÷θ²θ⭆⟦⊕ι⁻｜θ¹⊕ι⟧⭆λ﹪λχ
Try it online! Link is to verbose version of code. Explanation:
Ｎθ
Input N.
Ｅ…÷θ²θ
Loop rows from N/2 to N. (Due to the increments in the code below, N/2 is excluded and N is included. I could have put the increments here for the same byte count.)
⭆⟦⊕ι⁻｜θ¹⊕ι⟧
Each row contains two row-tiles, one for the row ...
0
Wolfram Language (Mathematica), 106 bytes
(r=#+(y=Mod[#+1,2]);""<>{z@#,z[r-#]}&/@Range@r)[[-⌈r/2⌉;;-y-1]]&
z@x_:=""<>ToString/@Table[x~Mod~10,x]
Try it online!
18
Python 2, 59 bytes
n=input()
c=~n%2
while c<n:print`n%10`*n+`c%10`*c;n-=1;c+=1
Try it online!
Prints like:
55555
44441
33322
It looks kind-of redundant to update n-=1;c+=1 where sum n+c remains unchanged. I feel like there's a better way, but I haven't seen it so far. Bounty is up for grabs!
60 bytes
n=input()
b=a=n/2
while n-b:b+=1;print`a%10`*a+`...
2
JavaScript (ES8), 72 71 68 bytes
Returns a string.
n=>(g=k=>k<n?(h=k=>''.padEnd(k,k%10))(k)+h(n--)+`
`+g(k+1):'')(~n&1)
Try it online!
2
05AB1E, 16 15 14 bytes
Ýεθy×}2äí`RøJ»
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1
Ruby, 97 bytes
->s,n{t=(?.*s+$/)*s
i=1
(t[i*-~s/s]=t[i/s-i%s*~s]=?X;i+=1)until 2>m=n-t.count(?X)
m>0&&t[0]=?X
t}
Try it online!
Llamda function. Returns a newline separated string with X and . can be shorter if a single line string is acceptable.
Very simple:
Make a newline separated string of s lines of s .
Set i=1 and scan through all ...
1
Charcoal, 39 bytes
ＮθＮηＧ←↑⊖θ.ＵＭ✂ＫＡ⁰⊘η¹x↑‖Ｍ↗Ｐ↘⭆θ§.x›η⁺ι№ＫＡx
Try it online! Link is to verbose version of code. Explanation:
ＮθＮη
Input S and N.
Ｇ←↑⊖θ.
Fill a triangle of size S-1 with .s.
ＵＭ✂ＫＡ⁰⊘η¹x
Change up to N/2 of those .s to xs.
↑‖Ｍ↗
Reflect to create the diagonal symmetry, but leaving the diagonal empty.
Ｐ↘⭆θ§.x›η⁺ι№ＫＡx
Count the number of ...
1
Wolfram Language (Mathematica), 124 bytes
(r=StringReplace;s=ToString;i=-1;FixedPoint[(i++;r[r[#,s@i->"",1],s@i->StringCases[#,_~~_~~s@i][[1]]~StringTake~2])&,#,10])&
Try it online!
1
PowerShell, 153 140 136 bytes
param($l,$n)if($l--){0..$l|%{$y=$_
-join(0..$l|%{$n-=$a=($_-eq$y-and$n)+2*($_-gt$y-and$n-gt1)
'.x'["$y;$_"-in($c+=,"$_;$y"*$a)-or$a]})}}
Try it online!
Unrolled:
param($length,$n)
if($length--){
0..$length|%{
$y=$_
-join(0..$length|%{
$draw = 1*($_ -eq $y -and $n) + # draw 1 element on ...
0
Wolfram Language (Mathematica), 38 bytes
Mod[2Last@ToCharacterCode@#,19]~Mod~4&
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This borrows Uriel's formula, which happens to be the same length as dingledooper's, but I can't help but wonder if another formula would be shorter. I will investigate.
For comparison, here's the string indexing solution (51 bytes):
("(|)D"~StringPosition~...
2
Bash + Unix utilities, 152 bytes
a=`dc<<<4dk$2*1+v1-2/0k1/p`
for((q=$2-a*a-a,b=++a<$1?q/2:0;i<$1;++j>=$1?j=0,i++:0)){ printf $[i-j?i<a&j<a?1:i==a&j<b|j==a&i<b?1:0:i<q-2*b?1:0]\ ;}|rs $1
Try the test suite online!
\$S\$ and \$N\$ are read from stdin, and the output is printed to stdout. The characters used are ...
1
PowerShell, 69 58 bytes
+ to @Bubbler
-11 bytes thanks to @mazzy
$t='(/<[{}]>\)'
$args|%{$a="$_$t"[-1-($t|% i*f $_)]+$a}
$a
Expects input via splatting.
Try it online!
1
PowerShell, 16 bytes
2*$args[-1]%19%4
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PowerShell port of the modulo formula going around. Takes input via splatting
1
Perl 5, 139 bytes
sub f{($s,$n)=@_;$_='-'x$s x$s;$i=-1;while($n){$j=++$i%$s*$s+int$i/$s;$n<2&&$i-$j&&next;for$o($i,$j){$n-=s,^(.{$o})-,$1x,}}s/.{$s}/$&\n/gr}
Try it online!
sub fungolfed {
($s,$n) = @_; # input params s and n
$_ = '-' x $s x $s; # $_ is the string of - and x
$i=-1; ...
4
MATL, 21 20 bytes
U:<~Zc`tnZ@)[]ett!-z
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Characters are # and . The output is random, that is, it may be different every time the program is run. Running time is also random, but the program is guaranteed to finish in finite time.
How it works
General idea
The code first generates a numeric vector with N ones and S^2-N zeros (U:<~), ...
4
JavaScript (ES6), 116 114 110 bytes
Takes input as (s)(n). Returns a matrix of Boolean values.
s=>n=>[...Array(s)].map((_,y,a)=>a.map((_,x)=>(p=Math.min(n&~1,s*s-s),x-y?(x<y?y*y-y+2*x:x*x-x+2*y)<p:x<n-p)))
Try it online!
How?
The output matrix is divided into 2 parts:
the cells located on the main diagonal (type A)
...
3
Wolfram Language (Mathematica), 113 bytes
Searches random matrices [S,N] until matrix g is equal to Transpose(g)
Outputs a binary matrix
If[#<1,"",g=(P=Partition)[k=Join@@{1~Table~#2,Table[0,#^2-#2]},#];While[g!=Transpose@g,g=P[RandomSample@k,#]];g]&
Try it online!
Wolfram Language (Mathematica), 75 bytes
Here is also a deterministic version that ...
7
Python 2, 116 113 112 101 bytes
lambda s,n:[[[n>i<s-(s+n&1),[i*~-i+2*j,j*~-j+2*i][i<j]<n-s][j!=i]for j in range(s)]for i in range(s)]
Try it online!
Input: 2 integers s and n
Output: A 2D list of True and False, representing x and . respectively.
Explanation
The strategy is to put as many xs on the diagonal as possible.
If \$s\$ and \$...
0
[Raku] (raku -p) (https://raku.org) 23 Bytes -> 19 Bytes
$_=(4-.ords[*-1]*2%5)%4
$_=160%.ords[*-1]%7 #(with @dingledooper's formula)
1
Raku (raku -p), 66 61 58 56 Bytes
my $a=-1;$_=S/(..)$a/{$0}/.subst(/$a/,$0,:g)until ++$a>9
First attempt. I am sure it can be improved
1
Haskell, 154 148 bytes
n%c=show n==[c]
n#(a:s@(b:c:_))|n%c=[a,b]|1>0=n#s
_#_=""
f n s|n>9||n#s==[]=s|1>0=f(n+1)$l++r>>= \c->last$[c]:[n#s|n%c]where(l,(_:r))=break(n%)s
f 0
Try it online!
Ungolfed:
digitIsChar :: Int -> Char -> Bool
digitIsChar n c = show n == [c]
getSubStr :: Int -> String -> String
getSubStr n (a:b:c:s)
...
0
Hy, 33 bytes
(fn[s](%(%(*(ord(last s))2)19)4))
Try it online!
It's a basic port of Uriel's answer. I might be able to shorten it by getting rid of a % but I need to play around with the syntax.
0
GolfScript, 11 bytes
)3?11%2/(p;
I'm convinced my method is the smallest possible, but this isn't the best possible one - just one of the earliest low-value ones.
)3?11%2/(p;
) #Pop the last element of the string (as ascii value)
3? #Cube the number
11% #Modulo 11
2/ #Divide by 2 (round down)
( #Decrement by ...
0
T-SQL, 34 bytes
SELECT CHARINDEX(RIGHT(@,1),'|)D')-1
Requires the variable @ to be declared and assigned the input.
This code takes the right most character, and searches an indexed list of the possible mouthes. CHARINDEX returns a 1-based index. But, failing to find anything returns 0. So we leave the frown out of the search string (making the sad face ...
0
Canvas, 1 byte
Exactly. A 1 byte built-in.
↔
Try it here!
Top 50 recent answers are included
