Lundin‭

The task is to take a decimal integer as input and print the corresponding Roman numeral with capital letters. The program must handle all positive integer numbers between 1 and 1000. Input can be...

3 answers  ·  posted 4y ago by Lundin‭  ·  last activity 4y ago by Lundin‭

C, 8 solutions Standard C, no extensions. 1 solution snippet per line: "llll"[3]^33^333 4*4*4*4 5555-555-555-555-555-555-555-555-555-555-55-55-55-55-55-5-5-5-7-7 6666/26 (int){8<...

posted 4y ago by Lundin‭

Well... maybe not in combination with a code golf challenge, but more like an artistic challenge with some theme, similar to screenshot of the month? For reference see for example Outdoors photo co...

posted 3y ago by Lundin‭

None of these are applicable at least not for Code Golf challenges. I think this community should "opt out" of reactions unless we can come up with more relevant ones. "Works for me". Answers ...

posted 3y ago by Lundin‭

The task is to create a program which displays a golf score as text. It takes 2 numbers as input, separated by space or new line: The first number is the par of the specific hole. The second nu...

5 answers  ·  posted 3y ago by Lundin‭  ·  last activity 3y ago by radarek‭

Many programming languages have the concept of keywords, special syntax items that are not just identifiers reserved by some library, but words reserved by the language itself. The challenge is to...

6 answers  ·  posted 3y ago by Lundin‭  ·  last activity 1y ago by H_H‭

Code Golf seems like a fun idea to me, since I'm a programmer by trade and "language lawyer" nerd as a hobby. But every time I checked the code golf site on SE, I dismissed it as nonsense, because...

2 answers  ·  posted 4y ago by Lundin‭  ·  last activity 4y ago by Quintec‭

C (gcc), 30 bytes f(x,y){return x+y|!(x^y|x^2);} Try it online! In case the "preferably on a function" requirement can be dropped, then #define f(x,y)x+y|!(x^y|x^2) is 28 bytes.

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

C (gcc), 62 bytes main(){char b[99],*p=strchr(gets(b),0);for(;p-->b;)putch(*p);} This relies on the usual gcc extension abuse. It assumes that max user input is 98 characters + null term, si...

posted 4y ago by Lundin‭  ·  edited 3y ago by Lundin‭

C (gcc), 100 bytes i,j;f(x,y,p)int*p;{puts("[");for(;i<x;i++)for(j=0;j<y;j++)*p++&&printf("[%d,%d],",i,j);puts("\b]");} Try it online! Note that TIO console doesn't handle back...

posted 4y ago by Lundin‭  ·  edited 4y ago by Lundin‭

Command-line arguments may be used as input instead of stdin Languages/systems that support reading input from command-line arguments may use those as input instead of reading from stdin.

posted 3y ago by Lundin‭

C (gcc), 147 151 bytes #define L(X)X(+,a+b)X(-,a-b)X(*,a*b)X(/,b&&a/b)X(%,b&&a%b)X(^,pow(a,b)) #define M(o,d)printf("%s",d==c?#o" ":z++==5?".":""); z;s[99];f(a,b,c){L(M)} Tr...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭

C (gcc), 8 7 unique cos(cos-cos)/(cos(cos-cos)-(-cos(cos-cos))) Try it online! -1 unique character thanks to @orthoplex‭

posted 3y ago by Lundin‭  ·  edited 2y ago by Lundin‭

The challenge is to write as short a source as possible, where the English alphabet (in alphabetical order from top to bottom) "abcdefghijklmnopqrstuvwxyz" is a sub-sequence of the source code. Th...

5 answers  ·  posted 1mo ago by Lundin‭  ·  last activity 21d ago by Sylvester‭

C or C++ (gcc) 220 bytes, cracked by Razetime %: %: define cops(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t) if(not false and k%:%:f%:%:d%:%:l(& (not true) <:%:i%:j%:k%:l" "%:m" "%:n%:o%:p%:...

posted 3y ago by Lundin‭  ·  edited 3y ago by Lundin‭