4f1b55c27b
Change-Id: I374373e86e78277cf2caf8509c477a508a2ceba1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7584 Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
25 lines
876 B
BQN
25 lines
876 B
BQN
⟨SplitOn,ReadDec⟩ ← •Import "../../lib.bqn"
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# Instead of implementing the VM described in the problem, translate the
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# program to instructions with equivalent timing for a similar VM that
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# only needs 1 cycle for every instruction.
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is ← ∾{"noop": <"noop"; 𝕩: (<"noop")∾<ReadDec⌾(1⊸⊑) (<' ') SplitOn 𝕩}¨ •FLines "input"
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Op ← {x 𝕊 "noop": x;x 𝕊 "addx"‿i: x+i}
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Draw ← {𝕊 c‿x‿pic: pic∨(↕240)((c-1)⊸=∘⊣∧∊)(⌊⌾(÷⟜40)c)+¯1+x+↕3}
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_vm ← {
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is _self s: (⊑s)≥≠is? s;
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is _self prev‿sum‿x‿pic:
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cycle ← prev+1
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is _self ⟨
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cycle,
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sum+x×cycle×⊑cycle∊20‿60‿100‿140‿180‿220,
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x Op (¯1+cycle)⊑is,
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Draw cycle‿x‿pic
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⟩
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}
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·‿sum‿·‿pic ← is _vm 1‿0‿1‿(240⥊0)
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•Out "day10.1: "∾•Fmt sum
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•Out "day10.2:"
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•Show ".#" ⊏˜ ∘‿40⥊pic
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