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. ...

21 answers  ·  posted 3y ago by celtschk‭  ·  last activity 9mo ago by xrs‭

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 3y ago by celtschk‭  ·  last activity 2y 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 4y ago by celtschk‭  ·  edited 4y ago by celtschk‭

posted 3y ago by celtschk‭  ·  edited 2y ago by trichoplax‭

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 3y ago by celtschk‭  ·  last activity 3y 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 3y ago by celtschk‭  ·  edited 3y ago by General Sebast1an‭

A while ago I wrote an answer in C (gcc) to the FizzBuzz challenge. Now I've found a shorter solution for the same compiler, which however uses a completely different strategy. Now I wonder if I s...

1 answer  ·  posted 3y ago by celtschk‭  ·  edited 1y ago by trichoplax‭

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 4y ago by celtschk‭  ·  last activity 4y 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 3y ago by celtschk‭  ·  edited 3y ago by celtschk‭

If you print some string s without a newline character at the end, instead of print(s,end="") write print(end=s) to save two bytes. Note that this only works for strings, not for other typ...

posted 3y ago by celtschk‭  ·  edited 3y ago by General Sebast1an‭

posted 3y ago by celtschk‭  ·  edited 2y ago by trichoplax‭

[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 3y ago by celtschk‭  ·  last activity 3y 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 3y ago by celtschk‭  ·  edited 3y ago by celtschk‭

posted 3y ago by celtschk‭  ·  edited 2y ago by trichoplax‭

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 3y ago by celtschk‭  ·  edited 3y ago by celtschk‭