100 doors: Difference between revisions
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(→{{header|Haxe}}: Added unoptimised version and tweak the optimised version) |
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<syntaxhighlight lang="apl">doors←{100⍴((⍵-1)⍴0),1}
≠⌿⊃doors¨ ⍳100</syntaxhighlight>
{{out}}▼
1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 ▼
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 ▼
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1▼
'''optimized'''
Line 1,132 ⟶ 1,126:
{{works with|Dyalog APL}}
{{works with|GNU APL}}
<syntaxhighlight lang="apl">
Each of the above solutions produces the same output:
▲⍸≠⌿0=(⍳100)∘.|⍳100</syntaxhighlight>
{{out}}
<pre>
▲1 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
1 4 9 16 25 36 49 64 81 100▼
▲ 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
▲ 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1</pre>
However the result is obtained, applying the ⍸ function (which has been in Dyalog since 16.0 and was added to GNU APL in SVN r1368, 2020-12-03) will transform the Boolean array into a list of the indices of the true values (open doors):
<syntaxhighlight lang="apl">⍸≠⌿0=(⍳100)∘.|⍳100</syntaxhighlight>
▲{{out}}
▲<pre>1 4 9 16 25 36 49 64 81 100</pre>
=={{header|AppleScript}}==
Line 7,912 ⟶ 7,914:
Or, we could use the foldfrom() function to produce the output.
<syntaxhighlight lang="langur">writeln foldfrom(fn(.a, .b, .c) { if(.b: .a~[.c]; .a) }, [], .doors, series 1..len .doors)</syntaxhighlight>
=== optimized ===
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echo outputString</syntaxhighlight>
=={{header|Oberon-07}}==
[http://oberon07.com/ Oberon-07], by [http://people.inf.ethz.ch/wirth/index.html Niklaus Wirth].
<syntaxhighlight lang="
IMPORT Out;
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