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Challenges

Comments on In The Jailhouse Now

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In The Jailhouse Now

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Challenge

Given an integer n>=4 as input create an ASCII art "prison door"* measuring n-1 characters wide and n characters high, using the symbols from the example below.


Example

╔╦╗
╠╬╣
╠╬╣
╚╩╝

The characters used are as follows:

┌───────────────┬─────────┬───────┐
│ Position      │ Symbol  │ Char  │
├───────────────┼─────────┼───────┤
│ Top Left      │    ╔    │ 9556  │
├───────────────┼─────────┼───────┤
│ Top           │    ╦    │ 9574  │
├───────────────┼─────────┼───────┤
│ Top Right     │    ╗    │ 9559  │
├───────────────┼─────────┼───────┤
│ Right         │    ╣    │ 9571  │
├───────────────┼─────────┼───────┤
│ Bottom Right  │    ╝    │ 9565  │
├───────────────┼─────────┼───────┤
│ Bottom        │    ╩    │ 9577  │
├───────────────┼─────────┼───────┤
│ Bottom Left   │    ╚    │ 9562  │
├───────────────┼─────────┼───────┤
│ Left          │    ╠    │ 9568  │
├───────────────┼─────────┼───────┤
│ Inner         │    ╬    │ 9580  │
└───────────────┴─────────┴───────┘

Rules

  • You may take input by any reasonable, convenient means.
  • For the purposes of this challenge, in languages where the symbols used to build the "door" are multi-byte characters, they may be counted towards your score as a single byte each.
  • All other characters (single- or multi-byte) should be counted as normal.
  • You may output an array/list of lines instead of a multi-line string.
  • Output may not contain any leading or trailing whitespace other than a trailing newline where absolutely necessary.
  • This is code-golf so lowest byte count wins.

Test Cases

Input: 4
Output:
╔╦╗
╠╬╣
╠╬╣
╚╩╝

Input: 8
Output:
╔╦╦╦╦╦╗
╠╬╬╬╬╬╣
╠╬╬╬╬╬╣
╠╬╬╬╬╬╣
╠╬╬╬╬╬╣
╠╬╬╬╬╬╣
╠╬╬╬╬╬╣
╚╩╩╩╩╩╝

Input: 20
Output:
╔╦╦╦╦╦╦╦╦╦╦╦╦╦╦╦╦╦╗
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╠╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣
╚╩╩╩╩╩╩╩╩╩╩╩╩╩╩╩╩╩╝

* Yes, I'm aware that the bigger it gets the less it looks like a prison door! :D

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General (1 comment)
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C (gcc), 119 118 116 115 bytes

#define p(x,y,z) printf(i^1?i^c?#z:#y:#x)
i,j;f(c){for(i=1;i<=c;p(╗\n,╝\n,╣\n),i++)for(j=p(╔,╚,╠);j++<c;)p(╦,╩,╬);}

Try it online!

Function solution.

I started with a recursive solution but it didn't work out well... though I'm still convinced that this can be shaved down quite a bit with recursion.

EDIT:

Recursive version which currently landed at exactly 115 bytes too...

#define p(x,y,z) printf(i^1?i^c?#z:#x:#y);
c,j;f(i){for(c=c?c:i,j=p(╔,╚,╠)j++<c;)p(╦,╩,╬)p(╗\n,╝\n,╣\n)--i?f(i):0;}
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General (2 comments)
General
General Sebast1an‭ wrote about 3 years ago

You know very good golfing ideas. I don't want to steal ideas on golfing, but I'll think of something to shorten mine, at least not to really beat you since I'm very beginner-level.

Lundin‭ wrote about 3 years ago

General Sebast1an‭ I'm decent at C programming but still a beginner at code golfing :)