New answers tagged decision-problem
2
votes
2
votes
Visible Dice Faces
Vyxal, 4 bytes
7εF⁼
Try it Online!
7ε # 7 - each item
F # Remove values that are in ^
⁼ # Is it equal to the original?
- 34k
4
votes
Visible Dice Faces
Cubically, 41 bytes
$(7:*2-2!F-2!S-2!B'-2!B'-2!S-2!F$):0+>2=%
Try it online!
Takes input as a space-separated list of integers, printing ...
- 18.1k
2
votes
2
votes
Visible Dice Faces
Desmos, 45 39 bytes
f(x)=0^{[(7-i-x)^2.minfori=x.sort].min}
Try it on Desmos!
- 2,760
4
votes
Visible Dice Faces
Nibbles, 5.5 bytes (11 nibbles)
-~+.$?@- 7
For each element x of input, checks tbat 7-x is ...
3
votes
Visible Dice Faces
Nibbles, 6 bytes
-~,`&.$- 7$
Attempt This Online!
Disgusting. Surely there is a better way to do this.
- 6,323
4
votes
Is it a valid chemical?
Wolfram Language (Mathematica), 134 bytes
Thanks to all for the motivation to immerse in graph theory! It is wonderful that there is a numerical criterion for connected multigraph. But I was wondering ...
- 983
3
votes
Visible Dice Faces
Jelly, 4 bytes
7_ḟƑ
Try it online!
Relatively trivial golf of Erik's solution.
...
- 18.1k
2
votes
Visible Dice Faces
C (GCC), 77 bytes
i,j;r;f(v,l)int*v;{for(i=r=-1;++i<l;)for(j=0;j<l;)r*=v[i]+v[j++]-7;return r;}
Try It Online!
Explanation:
...
- 441
3
votes
Is it a valid chemical?
Nekomata + -e, 13 bytes
∑2¦$ṁ±*$:#←c≥
Attempt This Online!
A port of @Command Master's Python answer.
The flag ...
- 41.8k
7
votes
Visible Dice Faces
Regex (Perl / Java / PCRE2 v10.34+), 30 29 bytes
^(?!.*\b(x(\2?+,.*\b)?){7}\b)
Try it online! - Perl
Try it online! - Java
Attempt This Online! - PCRE2 v10.40+
...
- 10.7k
1
vote
Is it a valid chemical?
Charcoal, 20 bytes
¬∨﹪Σ貋∧⌊θΣθ⊗⌈⊞Ｏθ⊖Ｌθ
Try it online! Link is to verbose version of code. Outputs a Charcoal boolean, i.e. - ...
- 156k
1
vote
Is it a valid chemical?
TI-Basic, 28 bytes
max(dim(Ans)-1,max(Ans))≤min(Ans>0).5sum(Ans)not(fPart(.5sum(Ans
Takes input in Ans. Uses the same method ...
- 2,760
3
votes
Is it a valid chemical?
Arturo, 52 bytes
$[a][s:∑a(0=s%2)∧(>=s/2max a)∧(-size a 2)<s/2]
Thanks to S. L. Hakimi for solving the problem back in 1962 and @CommandMaster for finding ...
- 16.7k
6
votes
Is it a valid chemical?
Jelly, 13 bytes
Uses S. L. Hakimi's result as aired by Command Master in their excellent Python answer.
ẠȧSH_L’»ṀƲeŻ$
A monadic Link that accepts a list of non-...
- 97.9k
2
votes
6
votes
Is it a valid chemical?
R, 58 51 45 bytes
Edit: -6 bytes thanks to pajonk
\(x,`+`=sum)max(+x^0-1,x)<=all(x)*+x/2*!+x%%2
Attempt This Online!
Based on xnor's comment on Command master's ...
4
votes
Is it a valid chemical?
Thunno D, \$ 21 \log_{256}(96) \approx \$ 17.29 bytes
XDS2%!>xS2/xMxL1-ZPpP
Attempt This Online! or
verify all test cases
...
- 9,146
3
votes
Is it a valid chemical?
05AB1E, 16 bytes
OÉ›¦IO;IàIg<‚@«P
Port of @CommandMaster's Python answer, so make sure to upvote him/her as well!
Try it online or verify all test cases.
...
- 116k
3
votes
Is it a valid chemical?
Vyxal, 17 bytes
Based on Command Master's answer
∑₂?sṫ$∑≤?∑½?L‹≥WA
...
- 7,457
5
votes
Is it a valid chemical?
JavaScript (ES6), 67 bytes
Based on the theorem found by @CommandMaster.
Returns 1 for falsy or 0 for truthy.
...
- 179k
27
votes
Is it a valid chemical?
Python 3, 61 60 59 58 51 bytes
lambda x:len(x)-2<~sum(x)%2*all(x)*sum(x)/2>=max(x)
Try it online!
-1 thanks to @Kevin Cruijssen
-7 thanks to @xnor
Uses ...
- 5,325
3
votes
Visible Dice Faces
Thunno D, \$ 5 \log_{256}(96) \approx \$ 4.12 bytes
7_cS!
Attempt This Online! or verify all test cases
Explanation
...
- 9,146
4
votes
Visible Dice Faces
Thunno D, 7 \$5\log_{256}(96)\approx\$ 4.12 bytes
7_Gze
Attempt This Online!
...
- 1,557
1
vote
Is it a lobster number?
PowerShell Core, 126 bytes
param($n)(($u=2..($n-1)|?{!($n%($a=$_)-or(2..($a-1)|?{!($a%$_)}))})|?{$n-match(("$_"|% t*y)-join'.*')}).Count-eq$u.count-and$u
...
- 2,308
1
vote
Visible Dice Faces
jq, 25 bytes
[.[] as $s|$s+.[]==7]|any
Try it online!
Generates all comparisons side + side == 7, and outputs ...
- 6,046
1
vote
Ragged list pattern matching, Part 2
Haskell, 89 bytes
Assumption: ragged lists are defined in the following way:
data RL a = L [RL a] | N a | W
deriving Eq
Solution:
...
- 4,427
2
votes
Visible Dice Faces
Japt -x!, 5 bytes
fUma7
Try it or verify test cases
-1 byte thanks to Shaggy
This is basically a port of Lyxal's Vyxal answer.
<...
- 1,557
1
vote
Is it traversable?
Ruby, 49 bytes
->s,h{h.none?{|w|h,=*h;s<h-w&&s-=s<=>0;s<-h+h=w}}
Try it online!
- 19.7k
3
votes
Visible Dice Faces
Vyxal, 4 bytes
7ε↔¬
Try it Online!
Very simple answer, ports the approach of the 5 byte Jelly.
Explained
...
- 27.6k
2
votes
Is it traversable?
Jelly, 20 bytes
’¹¹?{ḷ<?N-N>?
_Ɲçƒ<0
Takes a comma-separated list of integers on the left-hand side and the starting stamina on the right-hand side. ...
- 3,072
3
votes
Is it traversable?
Nekomata + -e, 16 bytes
R↔$∆çJᵐ{CᵈAc}-0≥
Attempt This Online!
This works in Nekomata v0.2.0.0, and uses some new built-ins.
The ...
- 41.8k
2
votes
1
vote
Is it traversable?
Charcoal, 29 bytes
¹≔§η⁰ζＦη«≧⁻∧θ‹ι⁻ζθθ¿›ι⁺ζθ⎚≔ιζ
Try it online! Link is to verbose version of code. Outputs a Charcoal boolean, i.e. ...
- 156k
1
vote
Is it traversable?
Thunno, \$24\log_{256}(96)\approx\$ 19.75 bytes
lXz[{YDyZA<?1-y1<xsTX}xP
Attempt This Online!
Port of Kevin Cruijssen's 05AB1E answer.
Explanation
...
- 9,146
6
votes
Is it traversable?
Haskell, 66 56 bytes
With Joseph Sible-Reinstate Monica's suggestions:
(doesn't change typing or behavior, except now it's a total function, which is a plus!)
...
- 171
2
votes
Is it traversable?
Python 3, 56 bytes
f=lambda s,n,m=0,*t:m<1or(s>=m-n)&f(s-min(s,n-m>s),m,*t)
Try it online!
Takes the stamina as first argument and the splatted ...
- 6,786
6
votes
Is it traversable?
R, 52 49 bytes
\(s,t)any(Map(\(i)s<<-s-(-i>s)*!!s,d<-diff(t))<d)
Attempt This Online!
Outputs TRUE if the ...
4
votes
Is it traversable?
05AB1E, 15 bytes
¥vDyÄ‹i<y1‹ˆ]¯P
Inputs in the order \$heights,stamina\$.
Try it online or verify all test cases.
Explanation:
...
- 116k
10
votes
Is it traversable?
Excel (ms365), 75, 64 bytes
-11 bytes thanks to @Dominic
=REDUCE(B1,A2:A5-A1:A4,LAMBDA(a,b,IF(b>a,-1,a-(-b>a)*(a>0))))>=0
- 2,663
4
votes
Is it traversable?
Rust, 90 bytes
fn f(a:&[i32],b:i32)->bool{a.len()<2||a[1]-a[0]<=b&&f(&a[1..],b-(a[0]-a[1]>b&&b>0)as i32)}
Attempt This ...
- 8,625
1
vote
Guessing on straws
Vyxal, 17 bytes A
vṅ÷:Ld1$(voÞṡḣ‟)₃
Input: nested array, output: 1(True), ...
- 983
5
votes
Is it traversable?
PowerShell Core, 77 bytes
param($s,$l)$args|?{if(($l-=$_)-ge0){$s-=+($l-gt$s)*!!$s}else{-$l-gt$s}$l=$_}
Try it online!
Passes the obstacle list using splatting.
...
- 2,308
15
votes
Is it traversable?
JavaScript (ES6), 39 bytes
Expects (stamina)(list). Returns false for truthy and true for falsy.
...
- 179k
1
vote
3
votes
Detect round trips on a hyperbolic grid
05AB1E, 27 26 (or 23) bytes
Ç<°JΔ•6o₁EAÛr£ð•3B2¡ι`:}õQ
Port of AndrovT's top Vyxal answer, which in turn is a port of @Neil's Retina answer, which in turn is ...
- 116k
4
votes
Detect round trips on a hyperbolic grid
Charcoal, 52 bytes
≔⭆ＳＸχ⊕⌕LSRιθＷ⌊ΦＥ⪪”←“tU≧*h？λêQ✳x”¶⪪κ №θ⌈κ≔⪫⪪θ⌈ι⌊ιθ¬θ
Try it online! Link is to verbose version of code. Outputs a Charcoal boolean, i.e. ...
- 156k
9
votes
Detect round trips on a hyperbolic grid
Retina 0.8.2, 55 bytes
\d
$*RF
FRRRFRRRF
RFRFR
FRFRF
RRRFRRRFRRR
}`FF|RRRR
^$
Try it online! Takes input as 123 but test suite ...
- 156k
1
vote
Bubbler numbers
Vyxal, 11 bytes
bṅÞS'3/≈;h≈
Try it Online! or get all the Bubbler numbers up to a given number.
Port of Kevin Cruijssen's 05AB1E answer. Outputs \$0\$ for truthy ...
- 9,146
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