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joawan/p1.js

Created December 10, 2017 20:08
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AoC 2017, Day 1, oneliner
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p1.js
console.log(process.argv[2].split('').filter((e, i, a) => e === a[(i + 1) % a.length]).reduce((s, c) => s + +c, 0));
Raw
p2.js
console.log(process.argv[2].split('').filter((e, i, a) => e === a[(i + a.length / 2) % a.length]).reduce((s, c) => s + +c, 0));
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