this post was submitted on 23 Jun 2023
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Code Golf

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Challenge: Function that prints a n big tree (beehaw.org)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/code_golf
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Write a function that prints an n big tree, e.g. for n=5:

     * 
    * * 
   * * * 
  * * * * 
 * * * * * 
    | |

Here is what I came up with in C:

N,i;a(n){for(i=N=N?N:n+2;i--;printf(i?"* "+(N-n-1<i):--n?"\n":"\n%*s",N,"| |"));n&&a(n);}

// the invocation isn't part of the golf:
main(){a(5);}

PS: Code blocks currently wrap around when they are too long, I've already submitted a patch to make them scroll horizontally instead.

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[–] msage 5 points 1 year ago* (last edited 1 year ago)

Perl - 55 characters with say:

say ' 'x($N-$_).'* 'x$_ for 1..$N;say ' 'x($N-2).'| |';