4 ms·

Conway's Game of Life in Q: life:{3=a-x*4=a:2(sum -1 0 1 rotate\:,’/)/x}

• abraae 9y ago
  By comparison in APL: life←{↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵}
  • LfLxfxxLxfxx 9y ago
    life←{≢⍸⍵}⌺3 3∊¨3+0,¨⊢ https://youtu.be/3FjYly2G_QI?t=565 https://youtu.be/3FjYly2G_QI?t=565
    • RodgerTheGreat 9y ago
      I think I've nearly convinced Arthur to include an equivalent to "stencil" in k7. Fingers crossed!
      • Avshalom 9y ago
        K's approach of arrays of arrays would preclude an efficient 2d stencil operation wouldn't it?