advent-of-code/2022/3/index.js

21 lines
10 KiB
JavaScript

const input = 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const getValue = (char) => {
const code = char.charCodeAt(0);
if(code < 92) {
return code - 38;
}
return code - 96;
}
const main = async () => {
const sacks = input.split("\n").map( r => r.split(''));
const compartments = sacks.map(sack => [sack.slice(0, (sack.length + 1)/2), sack.slice((sack.length+1)/2)]);
const doubles = compartments.map(([comp1, comp2]) => comp1.find(c => comp2.includes(c)));
return doubles.map(getValue).reduce((sum, a) => sum + a, 0);
};
main().then(r => console.log("Result: ", r));