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| data←⊃⎕NGET'input.txt'1 | |
| ⎕io←0 | |
| test←⎕D⍳↑map | |
| ⍝ P1 | |
| +/{a←test[⊃⍵;] ⋄ b←test[;⊃⌽⍵] ⋄ i←⍵⌷test ⋄ ∨/∧/¨i>((⊃⍵)↑b)((1+⊃⍵)↓b)((⊃⌽⍵)↑a)((1+⊃⌽⍵)↓a)}¨,⍳⍴test | |
| ⍝ P2 | |
| ⌈/{a←test[⊃⍵;] ⋄ b←test[;⊃⌽⍵] ⋄ i←⍵⌷test ⋄ ×/((1++/)⌊≢)¨∧\¨i>(⌽(⊃⍵)↑b)((1+⊃⍵)↓b)(⌽(⊃⌽⍵)↑a)((1+⊃⌽⍵)↓a)}¨,⍳⍴test |
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