celtschk‭

Looping counter Create an infinite loop that outputs lines of asterisks, with each line containing one more asterisk. Instead of the asterisk, any printable, non-whitespace character can be used. ...

18 answers  ·  posted 1y ago by celtschk‭  ·  last activity 8mo ago by south‭

An integer is called square-free if it is not a multiple of a perfect square other than 1. For example, 42 is square-free, but 44 is not because it is a multiple of the perfect square 4 = 2². Your...

13 answers  ·  posted 1y ago by celtschk‭  ·  last activity 8mo ago by Shaggy‭

C (gcc), 113 Bytes i;main(){while(i++<100){char*h[]={"%d "," "},**p=h;i%3||(*p++="Fizz%2$s");i%5||(*p="Buzz ");printf(*h,i,h[1]);}} This compiles with several warnings, but no errors. Here'...

posted 2y ago by celtschk‭  ·  edited 2y ago by celtschk‭

posted 1y ago by celtschk‭  ·  edited 1y ago by celtschk‭

Given a string and a non-negative integer $n$, output a new string in which each character is repeated $n$ times. Test cases: "abc", 1 -> "abc" "Hello", 0 -> "" "double", 2 -> "ddo...

14 answers  ·  posted 1y ago by celtschk‭  ·  last activity 1y ago by south‭

Rational numbers in decimal representation can have an infinite periodic part. One common way to write this down is to repeat the periodic digits and then add three dots. Numbers without those thre...

2 answers  ·  posted 1y ago by celtschk‭  ·  edited 1y ago by General Sebast1an‭

The task is to generate the text of Lewis Caroll's Jabberwocky. The text, quoted from Wikipedia, is as follows (I've replaced a non-ASCII character with ASCII, otherwise it's direct copy&paste...

4 answers  ·  posted 2y ago by celtschk‭  ·  last activity 2y ago by General Sebast1an‭

C (gcc), 35 32 bytes Saved 3 bytes thanks to Lundin f(n){n&&f(n/2);putchar(n&1|48);} This solution exploits that leading zeros, while not required, are also not forbidden by the ...

posted 2y ago by celtschk‭  ·  edited 2y ago by celtschk‭

posted 1y ago by celtschk‭  ·  edited 1y ago by celtschk‭

[Rule 110] is a Turing complete cellular automaton. It is defined as follows: Take as initial value a sequence of symbols that's infinite to both sides, which consists only of two different symbol...

1 answer  ·  posted 1y ago by celtschk‭  ·  last activity 1y ago by Moshi‭

C (gcc), 133 131 bytes f(p,s){char*t="Hole in one\0Albatross\0Eagle\0Birdie\0Par\0Bogey\0Double bogey\0Triple bogey";for(--s?s+=5-p:0;s-=!*t++;);puts(t);} Saved two bytes thanks to m90 in the...

posted 1y ago by celtschk‭  ·  edited 1y ago by celtschk‭

Python 3, 142 bytes def f(s): m=1;r="" for c in s.upper(): if'@'<c<'['or'-'==c:r+=c*m;m=0 if c in":; ":r+=c*(c!=' ');m=1 if c in".?!":r+=' ';m=1 return r Try it online!

posted 1y ago by celtschk‭

Python 3, 48 42 39 bytes Saved 6 bytes thanks to Hakerh400‭ in the comments Saved another 3 bytes thanks to user in the comments f=lambda n:n-1and-~f([n//2,3*n+1][n%2]) Try it online!

posted 1y ago by celtschk‭  ·  edited 1y ago by celtschk‭

Given a non-negative integer up to $999\,999\,999$, write it in English. The input number can be in any form other than English (though you'll typically want to use the native integer type of your...

3 answers  ·  posted 1y ago by celtschk‭  ·  last activity 1y ago by Moshi‭

Python 3, 106 91 bytes Saved 15 bytes thanks to Moshi in the comments lambda a,b,c:[p for p in"+ - * // % **".split()if(p in'+-**'or b)and eval(f"{a}{p}{b}")==c] Try it online!

posted 1y ago by celtschk‭  ·  edited 1y ago by celtschk‭