25 lines
576 B
JavaScript
25 lines
576 B
JavaScript
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const { Glib } = require('../../lib');
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module.exports = {
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'1': (input) =>
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Glib.fromLines(input)
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.toInts()
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.sum(),
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2: (input) =>
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Glib.fromLines(input)
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.toInts()
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.infinite()
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.partialReduce(
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({ seen, position }, move, index) => {
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position = position + move;
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if (seen.has(position)) {
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return position;
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}
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seen.add(position);
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return { seen, position };
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},
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(state) => typeof state !== 'bigint',
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{ seen: new Set([0n]), position: 0n },
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),
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};
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