advent-of-code-browser-console/2021/day06.js
2021-12-06 11:40:44 -05:00

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JavaScript

[80,256].map(d=>{B=Array(9).fill(0);$('pre').innerText.trim().split`,`.map(f=>B[+f]++);for(i=0;++i<d;){B[(7+i)%9]+=B[i%9]};return B.reduce((a,x)=>a+x,0)})