Solve a Numbrix puzzle: Difference between revisions
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Added Uiua solution |
→{{header|Uiua}}: Improved algorithm |
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=={{header|Uiua}}== |
=={{header|Uiua}}== |
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{{Works with |Uiua|0.12.0-dev.1}} |
{{Works with |Uiua|0.12.0-dev.1}} |
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Uses experimental '''astar''' |
Uses experimental '''astar''' operator. Rewritten to avoid using now deprecated '''λ (swizzle)''' operator :-( |
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<syntaxhighlight lang="uiua"> |
<syntaxhighlight lang="uiua"> |
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# Experimental! |
# Experimental! |
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S ← /×△G # Total size. |
S ← /×△G # Total size. |
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Width ← ⧻⊢G |
Width ← ⧻⊢G |
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Dirs ← [∩(¯.)1Width] # D4 directions. |
Dirs ← [∩(¯.)1Width] # D4 directions. |
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ManD ← /+⌵-∩(⊟⊃(◿|⌊÷)Width) # Manhattan dist. |
ManD ← /+⌵-∩(⊟⊃(◿|⌊÷)Width) # Manhattan dist. |
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Ns ← ▽:⟜≡(=0⊡)⊙¤▽⊸≡(↧⊃(≥0|<S))+Dirs ¤ # Valid empty Ns. |
Ns ← ▽:⟜≡(=0⊡)⊙¤▽⊸≡(↧⊃(≥0|<S))+Dirs ¤ # Valid empty Ns. |
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Next ← +1⊢⊚=S⊗+1⇡S # Next unplaced number. |
Next ← +1⊢⊚=S⊗+1⇡S # Next unplaced number. |
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Nodes ← ⍣(≡(⍜⊡⋅∘) |
Nodes ← ⍣(≡(⍜⊡⋅∘)⊃(⋅∘|¤⋅⋅∘|¤∘)⊙Ns:⊗-1,,Next..|[]) # Valid next boards from here. |
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Placed ← ⊏(⍏⊸≡(⊡1))▽⊙(⍉⊟)±,⊗.. # [pos num] sorted by nums. |
Placed ← ⊏(⍏⊸≡(⊡1))▽⊙(⍉⊟)±,⊗.. # [pos num] sorted by nums. |
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# Ensure each pair of placed numbers have ManD <= number differemce. |
# Ensure each pair of placed numbers have ManD <= number differemce. |
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Heur ← ⨬(-1S|999)=0/↧≡(≥⊙(⌵/-)ManD°⊟°⊟⍉)◫2Placed |
Heur ← ⨬(-1S|999)=0/↧≡(≥⊙(⌵/-)ManD°⊟°⊟⍉)◫2Placed |
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</pre> |
</pre> |
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=={{header|Wren}}== |
=={{header|Wren}}== |
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{{libheader|Wren-sort}} |
{{libheader|Wren-sort}} |
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