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2021 day 6

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Joshua Seigler 2021-12-06 01:47:35 -05:00
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[80,256].map(d=>{B=Array(9).fill(0);$`pre`.innerText.trim().split`,`.map(f=>B[+f]++);for(i=0;i<d;i++){B[(7+i)%9]+=B[i%9]};return B.reduce((a,x)=>a+x,0)})