# Tag Info

Vyxal, 18 bytes ɾ?\vdpĖ:vvS$fGL↲Ṡ⁋ Try it Online! Without strict IO formats, the whole :vvS$fGL↲Ṡ⁋ could be omitted
1 vote

### 1, 2, Fizz, 4, Buzz

D, 90 bytes import std;void main(){foreach(i;1..101)max("FizzBuzz"[i%3?4:0..i%5?4:8],i.text).writeln;} Try it online!
1 vote

### Cartesian - polar conversion couple

Wolfram Language (Mathematica), 14+11=25 bytes AbsArg[#+I#2]& AngleVector Try it online! Input [x,y]/...

### Cartesian - polar conversion couple

Python, 48+48 = 96 bytes lambda*t:(hypot(*t),atan2(*t)) from math import* Attempt This Online! -4 bytes thanks to xnor. lambda a,b:(a*cos(b),a*sin(b)) from math import* Attempt This Online!
1 vote

### Cartesian - polar conversion couple

C (gcc), 88 bytes C(x,b,t)float*x,t;{t=x;x=b?*x*sin(t):atan(t/(*x));*x=b?*x*cos(t):sqrt(*x**x+t*t);} 86 bytes 2 bytes can be saved by inverting the order of ...

### Cartesian - polar conversion couple

APL (Dyalog Classic), 22 + 15 = 37 bytes Cartesian to Polar: 22 bytes {(.5*⍨+/⍵⍺*2),¯3○⍵÷⍺} Polar to Cartesian: 15 bytes ...

### Cartesian - polar conversion couple

Jelly, 7 + 6 bytes = 13 Polar to Cartesian: ×ıÆe×Æi A dyadic Link accepting $\theta$ on the left and $r$ on the right that yields a list $[x, y]$. Try it ...
1 vote

### Cartesian - polar conversion couple

Vyxal, 10 + 7 = 17 bytes Cartesian to Polar, 10 bytes ²∑√?Ṙƒ/∆T" Try it Online! Polar to Cartesian, 7 bytes ⁰₍∆c∆s* Try ...

### Cartesian - polar conversion couple

Pip -p, 10 + 12 = 22 bytes Polar to Cartesian: a*[CObSIb] Takes angle in radians. Outputs a list containing x and y. Try it ...

### Cartesian - polar conversion couple

Mathematica, 18+20 = 38 bytes ToPolarCoordinates FromPolarCoordinates Try it online! For the ...

### Cartesian - polar conversion couple

Desmos, 33+19 = 52 score Both functions take in two arguments representing either polar or Cartesian coordinates (depending on which function is being used), and returns a list representing the ...

### The plus-minus sequence

C (gcc), 62 bytes int f(int a,int b){for(;1;b=(a+=b)-2*b)printf("%d %d\n",a,b);} Try it online! Theoretically outputs indefinitely, however, it only ...
1 vote

### Cryptic Multiplications

Charcoal, 36 bytes ＦＸχＬθＦＥＸχＬη⪫⟦ικ×ικ⟧¶⊞υＥκ⌕κλＩ№υ§υＩ⁺θη Try it online! Link is to verbose version of code. Explanation: ＦＸχＬθ ...

### Cryptic Multiplications

05AB1E, 20 bytes €g°ÝâIšεDPª»DSk»}ć¢ Port of @Steffan's Vyxal answer, but with less convenient builtins. Try it online or verify (almost) all test cases (the last ...
1 vote

### Cryptic Multiplications

Ruby, 108 bytes ->a,b{[*0..9].permutation.map{|c|"#{a}*#{b}==#{a*b}".tr('0-9',c*'')}.uniq.count{|c|/^0|\*0|=0/!~c&&eval(c)}} Try it online!

### Cryptic Multiplications

Knight, 416 219 bytes ...

### Cryptic Multiplications

Vyxal s, 17 bytes vL↵ʀΠƛ?"ƛΠJṄ:vḟ;≈ Try it Online! This would flaglessly be 19 bytes. It can be shorter flagless, though: ...

### Cryptic Multiplications

Jelly,  20 18  17 bytes Thanks to Steffan for a speed up! (‘×⁵ -> æċ⁵) and a byte that ended up saving elsewhere! Save of 2 ...

### Cryptic Multiplications

K (ngn/k), 41 36 bytes -5 bytes inspired by Jonathan Allan's answer. {#*={.(=k@x,*/x)_" "}'?+x,'!10*1+x} Try it online! The last 4 cases are too slow to ...

### Cryptic Multiplications

JavaScript (ES6),  127  120 bytes Expects (p)(q), as strings. ...
1 vote

Ly, 21 bytes 0s+1[pSy,![lu;]&+l`s] Try it online! A pretty straight forward interpretation of the challenge rules this time. ...
1 vote

### Summation from a to b

Factor + math.unicode, 12 bytes [ [a,b] Σ ] Try it online! Interesting tidbit: sum (and ...
1 vote

Knight, 54 bytes ;=iP;=r 0;W<1Li;=s 0;Wi;=s+sA Ai=iGi 1Li;=i+""s=r+1rOr Try it online!
1 vote

Knight, 45 bytes ;=aP;=bP Wa;O+A I>a bAaAb"\";=aGa 1La=bGb 1Lb Try it online! Takes two zero-padded numbers (it works with spaces as well).
1 vote

### Summation from a to b

Knight, 19 bytes O/*+E=aP=bP+1-b a 2 Try it online! Uses the formula (a+b)*(b-a+1)/2.

### Average Two Letters

Knight, 14 bytes O A/+A P A P 2 Try it online!

### The vanilla factorial challenge

Brachylog, 1 byte Try it online! Also works with a fixed output and an unknown input, with decent performance. No built-in, 3 bytes ...

### The vanilla factorial challenge

JavaScript, 19 bytes f=n=>n?f(n-1n)*n:1n 2 bytes longer than the other JS answers, but can safely calculate as high as 11190! instead of 18!, with anything ...

### The vanilla factorial challenge

Knight, 25 bytes ;=x+=y 1P;W=x-x 1=y*x yOy Try it online! Ungolfed: ...
1 vote

### The vanilla factorial challenge

Knight, 28 bytes ;;;=xP=y 1W<0=x-x 1=y*y+1xOy Try it online!
1 vote